./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/sep.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a046e57d 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/reducercommutativity/sep.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 54d2da4a9e5a645ffa7361038eff25cc32e29a265e0324de9bda9a6d773becac --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 17:06:52,825 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 17:06:52,873 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-13 17:06:52,879 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 17:06:52,880 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 17:06:52,901 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 17:06:52,902 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 17:06:52,902 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 17:06:52,902 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 17:06:52,902 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 17:06:52,903 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 17:06:52,903 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 17:06:52,903 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 17:06:52,903 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-13 17:06:52,904 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-13 17:06:52,904 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-13 17:06:52,904 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-13 17:06:52,904 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-13 17:06:52,904 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-13 17:06:52,905 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 17:06:52,905 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-13 17:06:52,905 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 17:06:52,905 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 17:06:52,905 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 17:06:52,906 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 17:06:52,906 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-13 17:06:52,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-13 17:06:52,906 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-13 17:06:52,906 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 17:06:52,906 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 17:06:52,906 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 17:06:52,907 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 17:06:52,907 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-13 17:06:52,907 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 17:06:52,907 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 17:06:52,907 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 17:06:52,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 17:06:52,907 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 17:06:52,908 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-13 17:06:52,908 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54d2da4a9e5a645ffa7361038eff25cc32e29a265e0324de9bda9a6d773becac [2024-10-13 17:06:53,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 17:06:53,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 17:06:53,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 17:06:53,102 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 17:06:53,103 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 17:06:53,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/sep.i [2024-10-13 17:06:54,271 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 17:06:54,414 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 17:06:54,415 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/sep.i [2024-10-13 17:06:54,422 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24f33bbea/d6b3a8ef7a824b488ea688447510de65/FLAG996dcc79e [2024-10-13 17:06:54,821 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24f33bbea/d6b3a8ef7a824b488ea688447510de65 [2024-10-13 17:06:54,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 17:06:54,824 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 17:06:54,825 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 17:06:54,825 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 17:06:54,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 17:06:54,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:06:54" (1/1) ... [2024-10-13 17:06:54,830 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c6257b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:54, skipping insertion in model container [2024-10-13 17:06:54,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:06:54" (1/1) ... [2024-10-13 17:06:54,844 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 17:06:54,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:06:54,987 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 17:06:55,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:06:55,014 INFO L204 MainTranslator]: Completed translation [2024-10-13 17:06:55,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:55 WrapperNode [2024-10-13 17:06:55,015 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 17:06:55,015 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 17:06:55,016 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 17:06:55,016 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 17:06:55,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:55" (1/1) ... [2024-10-13 17:06:55,030 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:55" (1/1) ... [2024-10-13 17:06:55,045 INFO L138 Inliner]: procedures = 16, calls = 27, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 128 [2024-10-13 17:06:55,046 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 17:06:55,046 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 17:06:55,046 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 17:06:55,047 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 17:06:55,054 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:55" (1/1) ... [2024-10-13 17:06:55,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:55" (1/1) ... [2024-10-13 17:06:55,056 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:55" (1/1) ... [2024-10-13 17:06:55,068 INFO L175 MemorySlicer]: Split 19 memory accesses to 3 slices as follows [2, 6, 11]. 58 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 6, 0]. The 4 writes are split as follows [0, 0, 4]. [2024-10-13 17:06:55,071 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:55" (1/1) ... [2024-10-13 17:06:55,071 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:55" (1/1) ... [2024-10-13 17:06:55,093 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:55" (1/1) ... [2024-10-13 17:06:55,103 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:55" (1/1) ... [2024-10-13 17:06:55,105 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:55" (1/1) ... [2024-10-13 17:06:55,107 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:55" (1/1) ... [2024-10-13 17:06:55,109 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 17:06:55,110 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 17:06:55,110 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 17:06:55,110 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 17:06:55,110 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:55" (1/1) ... [2024-10-13 17:06:55,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:55,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:55,166 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) [2024-10-13 17:06:55,169 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 [2024-10-13 17:06:55,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 17:06:55,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 17:06:55,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 17:06:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 17:06:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 17:06:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 17:06:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 17:06:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 17:06:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 17:06:55,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 17:06:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 17:06:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 17:06:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 17:06:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 17:06:55,282 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 17:06:55,284 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 17:06:55,474 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-10-13 17:06:55,474 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 17:06:55,486 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 17:06:55,487 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-13 17:06:55,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:06:55 BoogieIcfgContainer [2024-10-13 17:06:55,487 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 17:06:55,488 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-13 17:06:55,488 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-13 17:06:55,491 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-13 17:06:55,492 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:06:55,492 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 05:06:54" (1/3) ... [2024-10-13 17:06:55,493 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@795447c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:06:55, skipping insertion in model container [2024-10-13 17:06:55,493 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:06:55,493 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:55" (2/3) ... [2024-10-13 17:06:55,494 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@795447c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:06:55, skipping insertion in model container [2024-10-13 17:06:55,494 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:06:55,494 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:06:55" (3/3) ... [2024-10-13 17:06:55,495 INFO L332 chiAutomizerObserver]: Analyzing ICFG sep.i [2024-10-13 17:06:55,539 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-13 17:06:55,539 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-13 17:06:55,539 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-13 17:06:55,539 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-13 17:06:55,539 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-13 17:06:55,539 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-13 17:06:55,540 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-13 17:06:55,540 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-13 17:06:55,543 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 29 states, 28 states have (on average 1.5) internal successors, (42), 28 states have internal predecessors, (42), 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) [2024-10-13 17:06:55,555 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2024-10-13 17:06:55,556 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:06:55,556 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:06:55,560 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-13 17:06:55,560 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-13 17:06:55,560 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-13 17:06:55,561 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 29 states, 28 states have (on average 1.5) internal successors, (42), 28 states have internal predecessors, (42), 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) [2024-10-13 17:06:55,562 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2024-10-13 17:06:55,562 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:06:55,562 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:06:55,562 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-13 17:06:55,562 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-13 17:06:55,567 INFO L745 eck$LassoCheckResult]: Stem: 25#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(6, 2);call write~init~int#1(115, 2, 0, 1);call write~init~int#1(101, 2, 1, 1);call write~init~int#1(112, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 20#L34true assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 23#L20-3true [2024-10-13 17:06:55,568 INFO L747 eck$LassoCheckResult]: Loop: 23#L20-3true assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 14#L22true assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 15#L20-2true sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 23#L20-3true [2024-10-13 17:06:55,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:55,571 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2024-10-13 17:06:55,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:55,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913122554] [2024-10-13 17:06:55,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:55,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:55,643 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:06:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:55,669 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:06:55,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:55,672 INFO L85 PathProgramCache]: Analyzing trace with hash 42800, now seen corresponding path program 1 times [2024-10-13 17:06:55,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:55,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780189738] [2024-10-13 17:06:55,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:55,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:55,692 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:06:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:55,709 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:06:55,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:55,714 INFO L85 PathProgramCache]: Analyzing trace with hash 889512687, now seen corresponding path program 1 times [2024-10-13 17:06:55,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:55,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580678631] [2024-10-13 17:06:55,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:55,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:55,735 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:06:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:55,757 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:06:56,220 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 17:06:56,221 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 17:06:56,221 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 17:06:56,221 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 17:06:56,221 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 17:06:56,221 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:56,221 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 17:06:56,221 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 17:06:56,221 INFO L132 ssoRankerPreferences]: Filename of dumped script: sep.i_Iteration1_Lasso [2024-10-13 17:06:56,222 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 17:06:56,222 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 17:06:56,235 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:56,244 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:56,250 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:56,252 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:56,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:56,307 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:56,310 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:56,313 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:56,319 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:56,320 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:56,322 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:56,326 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:56,514 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:56,516 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:56,523 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:56,525 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:56,527 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:56,528 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:56,530 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:56,533 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:56,535 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:56,537 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:56,538 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:56,540 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:56,543 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:56,867 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 17:06:56,870 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 17:06:56,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:56,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:56,872 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) [2024-10-13 17:06:56,874 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 [2024-10-13 17:06:56,875 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 [2024-10-13 17:06:56,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:56,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:06:56,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:56,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:56,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:56,887 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:06:56,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:06:56,888 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:56,899 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 [2024-10-13 17:06:56,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:56,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:56,901 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) [2024-10-13 17:06:56,902 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 [2024-10-13 17:06:56,903 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 [2024-10-13 17:06:56,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:56,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:06:56,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:56,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:56,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:56,913 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:06:56,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:06:56,914 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:56,924 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-13 17:06:56,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:56,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:56,927 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) [2024-10-13 17:06:56,928 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 [2024-10-13 17:06:56,929 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 [2024-10-13 17:06:56,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:56,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:06:56,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:56,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:56,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:56,940 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:06:56,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:06:56,941 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:56,951 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 [2024-10-13 17:06:56,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:56,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:56,952 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) [2024-10-13 17:06:56,953 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 [2024-10-13 17:06:56,954 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:06:56,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:56,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:56,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:56,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:56,967 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:06:56,967 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:06:56,969 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:56,980 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 [2024-10-13 17:06:56,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:56,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:56,981 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) [2024-10-13 17:06:56,982 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 [2024-10-13 17:06:56,984 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 [2024-10-13 17:06:56,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:56,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:56,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:56,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:56,995 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:06:56,996 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:06:56,998 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:57,009 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 [2024-10-13 17:06:57,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:57,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:57,011 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) [2024-10-13 17:06:57,011 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 [2024-10-13 17:06:57,013 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 [2024-10-13 17:06:57,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:57,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:57,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:57,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:57,024 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:06:57,025 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:06:57,027 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:57,037 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 [2024-10-13 17:06:57,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:57,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:57,039 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) [2024-10-13 17:06:57,041 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 [2024-10-13 17:06:57,042 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 [2024-10-13 17:06:57,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:57,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:57,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:57,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:57,053 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:06:57,053 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:06:57,055 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:57,066 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-13 17:06:57,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:57,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:57,068 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) [2024-10-13 17:06:57,069 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 [2024-10-13 17:06:57,069 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 [2024-10-13 17:06:57,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:57,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:57,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:57,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:57,082 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:06:57,082 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:06:57,084 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:57,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-10-13 17:06:57,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:57,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:57,095 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) [2024-10-13 17:06:57,096 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 [2024-10-13 17:06:57,096 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 [2024-10-13 17:06:57,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:57,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:57,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:57,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:57,108 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:06:57,108 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:06:57,111 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:57,121 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-13 17:06:57,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:57,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:57,123 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) [2024-10-13 17:06:57,124 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 [2024-10-13 17:06:57,125 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:06:57,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:57,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:06:57,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:57,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:57,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:57,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:06:57,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:06:57,139 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:57,149 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 [2024-10-13 17:06:57,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:57,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:57,150 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) [2024-10-13 17:06:57,154 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 [2024-10-13 17:06:57,154 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 [2024-10-13 17:06:57,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:57,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:06:57,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:57,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:57,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:57,165 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:06:57,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:06:57,166 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:57,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-10-13 17:06:57,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:57,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:57,177 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) [2024-10-13 17:06:57,178 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 [2024-10-13 17:06:57,179 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 [2024-10-13 17:06:57,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:57,188 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:06:57,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:57,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:57,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:57,189 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:06:57,189 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:06:57,190 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:57,199 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 [2024-10-13 17:06:57,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:57,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:57,201 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) [2024-10-13 17:06:57,202 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 [2024-10-13 17:06:57,203 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 [2024-10-13 17:06:57,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:57,212 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:06:57,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:57,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:57,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:57,213 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:06:57,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:06:57,214 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:57,224 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 [2024-10-13 17:06:57,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:57,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:57,226 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) [2024-10-13 17:06:57,227 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 [2024-10-13 17:06:57,228 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 [2024-10-13 17:06:57,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:57,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:06:57,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:57,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:57,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:57,238 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:06:57,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:06:57,239 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:57,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-10-13 17:06:57,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:57,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:57,250 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) [2024-10-13 17:06:57,250 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 [2024-10-13 17:06:57,251 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 [2024-10-13 17:06:57,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:57,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:06:57,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:57,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:57,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:57,262 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:06:57,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:06:57,262 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:57,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-10-13 17:06:57,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:57,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:57,275 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) [2024-10-13 17:06:57,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-13 17:06:57,276 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 [2024-10-13 17:06:57,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:57,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:57,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:57,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:57,287 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:06:57,287 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:06:57,289 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:57,299 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 [2024-10-13 17:06:57,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:57,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:57,300 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) [2024-10-13 17:06:57,301 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 [2024-10-13 17:06:57,302 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 [2024-10-13 17:06:57,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:57,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:57,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:57,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:57,315 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:06:57,315 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:06:57,320 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:57,331 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-10-13 17:06:57,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:57,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:57,333 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) [2024-10-13 17:06:57,335 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 [2024-10-13 17:06:57,339 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 [2024-10-13 17:06:57,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:57,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:57,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:57,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:57,359 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:06:57,359 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:06:57,367 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 17:06:57,387 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-10-13 17:06:57,388 INFO L444 ModelExtractionUtils]: 6 out of 19 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-10-13 17:06:57,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:57,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:57,391 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:06:57,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-13 17:06:57,393 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 17:06:57,403 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-13 17:06:57,403 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 17:06:57,404 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sep_~x#1.offset, v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1, ULTIMATE.start_sep_~i~0#1) = -1*ULTIMATE.start_sep_~x#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1 - 4*ULTIMATE.start_sep_~i~0#1 Supporting invariants [] [2024-10-13 17:06:57,414 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 [2024-10-13 17:06:57,450 INFO L156 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2024-10-13 17:06:57,458 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~x!offset [2024-10-13 17:06:57,461 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-13 17:06:57,461 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-13 17:06:57,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:06:57,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 17:06:57,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:06:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:06:57,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 17:06:57,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:06:57,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:06:57,575 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 [2024-10-13 17:06:57,576 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 29 states, 28 states have (on average 1.5) internal successors, (42), 28 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:06:57,627 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 29 states, 28 states have (on average 1.5) internal successors, (42), 28 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 59 states and 84 transitions. Complement of second has 6 states. [2024-10-13 17:06:57,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-13 17:06:57,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:06:57,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 44 transitions. [2024-10-13 17:06:57,633 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 44 transitions. Stem has 3 letters. Loop has 3 letters. [2024-10-13 17:06:57,633 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:06:57,633 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 44 transitions. Stem has 6 letters. Loop has 3 letters. [2024-10-13 17:06:57,635 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:06:57,635 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 44 transitions. Stem has 3 letters. Loop has 6 letters. [2024-10-13 17:06:57,635 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:06:57,635 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 84 transitions. [2024-10-13 17:06:57,638 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2024-10-13 17:06:57,641 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 20 states and 29 transitions. [2024-10-13 17:06:57,642 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2024-10-13 17:06:57,642 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-10-13 17:06:57,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 29 transitions. [2024-10-13 17:06:57,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:06:57,643 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 29 transitions. [2024-10-13 17:06:57,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 29 transitions. [2024-10-13 17:06:57,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-10-13 17:06:57,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 states have internal predecessors, (29), 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) [2024-10-13 17:06:57,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. [2024-10-13 17:06:57,660 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 29 transitions. [2024-10-13 17:06:57,660 INFO L425 stractBuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2024-10-13 17:06:57,660 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-13 17:06:57,660 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 29 transitions. [2024-10-13 17:06:57,661 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2024-10-13 17:06:57,661 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:06:57,661 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:06:57,661 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-13 17:06:57,661 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-13 17:06:57,661 INFO L745 eck$LassoCheckResult]: Stem: 186#$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(6, 2);call write~init~int#1(115, 2, 0, 1);call write~init~int#1(101, 2, 1, 1);call write~init~int#1(112, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 179#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 180#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 184#L20-3 assume !(sep_~i~0#1 < ~N~0); 181#L20-4 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 167#sep_returnLabel#1 main_#t~ret6#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 168#L20-8 [2024-10-13 17:06:57,661 INFO L747 eck$LassoCheckResult]: Loop: 168#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 171#L22-2 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 178#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 168#L20-8 [2024-10-13 17:06:57,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:57,662 INFO L85 PathProgramCache]: Analyzing trace with hash 889511019, now seen corresponding path program 1 times [2024-10-13 17:06:57,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:57,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409693847] [2024-10-13 17:06:57,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:57,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:06:57,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:06:57,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:06:57,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409693847] [2024-10-13 17:06:57,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409693847] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:06:57,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:06:57,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 17:06:57,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996766152] [2024-10-13 17:06:57,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:06:57,776 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-13 17:06:57,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:57,777 INFO L85 PathProgramCache]: Analyzing trace with hash 63653, now seen corresponding path program 1 times [2024-10-13 17:06:57,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:57,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575710835] [2024-10-13 17:06:57,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:57,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:57,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:57,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:06:57,793 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-10-13 17:06:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:57,800 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:06:57,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:06:57,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 17:06:57,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 17:06:57,845 INFO L87 Difference]: Start difference. First operand 20 states and 29 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:06:57,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:06:57,869 INFO L93 Difference]: Finished difference Result 22 states and 29 transitions. [2024-10-13 17:06:57,869 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 29 transitions. [2024-10-13 17:06:57,870 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2024-10-13 17:06:57,871 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 29 transitions. [2024-10-13 17:06:57,871 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-10-13 17:06:57,872 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-10-13 17:06:57,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 29 transitions. [2024-10-13 17:06:57,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:06:57,872 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 29 transitions. [2024-10-13 17:06:57,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 29 transitions. [2024-10-13 17:06:57,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2024-10-13 17:06:57,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:06:57,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2024-10-13 17:06:57,874 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2024-10-13 17:06:57,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 17:06:57,875 INFO L425 stractBuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2024-10-13 17:06:57,875 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-13 17:06:57,875 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2024-10-13 17:06:57,876 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2024-10-13 17:06:57,877 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:06:57,877 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:06:57,877 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:06:57,878 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-13 17:06:57,878 INFO L745 eck$LassoCheckResult]: Stem: 234#$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(6, 2);call write~init~int#1(115, 2, 0, 1);call write~init~int#1(101, 2, 1, 1);call write~init~int#1(112, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 226#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 227#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 232#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 230#L22 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 231#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 233#L20-3 assume !(sep_~i~0#1 < ~N~0); 229#L20-4 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 215#sep_returnLabel#1 main_#t~ret6#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 216#L20-8 [2024-10-13 17:06:57,878 INFO L747 eck$LassoCheckResult]: Loop: 216#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 219#L22-2 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 228#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 216#L20-8 [2024-10-13 17:06:57,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:57,878 INFO L85 PathProgramCache]: Analyzing trace with hash -473899520, now seen corresponding path program 1 times [2024-10-13 17:06:57,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:57,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397907549] [2024-10-13 17:06:57,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:57,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:06:57,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:06:57,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:06:57,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397907549] [2024-10-13 17:06:57,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397907549] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 17:06:57,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333161457] [2024-10-13 17:06:57,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:57,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 17:06:57,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:57,963 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 17:06:57,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-13 17:06:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:06:58,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 17:06:58,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:06:58,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:06:58,049 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 17:06:58,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:06:58,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333161457] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 17:06:58,069 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 17:06:58,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-13 17:06:58,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587354474] [2024-10-13 17:06:58,069 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 17:06:58,070 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-13 17:06:58,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:58,070 INFO L85 PathProgramCache]: Analyzing trace with hash 63653, now seen corresponding path program 2 times [2024-10-13 17:06:58,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:58,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692853063] [2024-10-13 17:06:58,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:58,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:58,075 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:06:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:58,083 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:06:58,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:06:58,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 17:06:58,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2024-10-13 17:06:58,131 INFO L87 Difference]: Start difference. First operand 20 states and 26 transitions. cyclomatic complexity: 10 Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 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) [2024-10-13 17:06:58,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:06:58,172 INFO L93 Difference]: Finished difference Result 25 states and 33 transitions. [2024-10-13 17:06:58,172 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 33 transitions. [2024-10-13 17:06:58,172 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2024-10-13 17:06:58,173 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 25 states and 33 transitions. [2024-10-13 17:06:58,173 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-10-13 17:06:58,173 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-10-13 17:06:58,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 33 transitions. [2024-10-13 17:06:58,173 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:06:58,173 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 33 transitions. [2024-10-13 17:06:58,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 33 transitions. [2024-10-13 17:06:58,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2024-10-13 17:06:58,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 22 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:06:58,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions. [2024-10-13 17:06:58,175 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 30 transitions. [2024-10-13 17:06:58,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 17:06:58,175 INFO L425 stractBuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2024-10-13 17:06:58,176 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-13 17:06:58,176 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 30 transitions. [2024-10-13 17:06:58,176 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2024-10-13 17:06:58,176 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:06:58,176 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:06:58,176 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-13 17:06:58,176 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-13 17:06:58,177 INFO L745 eck$LassoCheckResult]: Stem: 339#$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(6, 2);call write~init~int#1(115, 2, 0, 1);call write~init~int#1(101, 2, 1, 1);call write~init~int#1(112, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 329#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 330#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 335#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 336#L22 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 340#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 337#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 333#L22 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 334#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 338#L20-3 assume !(sep_~i~0#1 < ~N~0); 332#L20-4 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 318#sep_returnLabel#1 main_#t~ret6#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 319#L20-8 [2024-10-13 17:06:58,177 INFO L747 eck$LassoCheckResult]: Loop: 319#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 322#L22-2 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 331#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 319#L20-8 [2024-10-13 17:06:58,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:58,177 INFO L85 PathProgramCache]: Analyzing trace with hash -331548597, now seen corresponding path program 2 times [2024-10-13 17:06:58,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:58,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123279838] [2024-10-13 17:06:58,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:58,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:58,199 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:06:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:58,226 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:06:58,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:58,227 INFO L85 PathProgramCache]: Analyzing trace with hash 63653, now seen corresponding path program 3 times [2024-10-13 17:06:58,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:58,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620043034] [2024-10-13 17:06:58,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:58,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:58,235 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:06:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:58,240 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:06:58,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:58,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1260561435, now seen corresponding path program 1 times [2024-10-13 17:06:58,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:58,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067062613] [2024-10-13 17:06:58,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:58,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:06:58,709 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:06:58,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:06:58,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067062613] [2024-10-13 17:06:58,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067062613] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 17:06:58,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548457483] [2024-10-13 17:06:58,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:58,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 17:06:58,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:58,711 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 17:06:58,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-13 17:06:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:06:58,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-10-13 17:06:58,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:06:58,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 15 [2024-10-13 17:06:58,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-10-13 17:06:58,875 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:06:58,875 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 17:06:58,943 INFO L349 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2024-10-13 17:06:58,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2024-10-13 17:06:58,984 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:06:58,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548457483] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 17:06:58,985 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 17:06:58,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2024-10-13 17:06:58,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889639316] [2024-10-13 17:06:58,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 17:06:59,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:06:59,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 17:06:59,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-10-13 17:06:59,024 INFO L87 Difference]: Start difference. First operand 23 states and 30 transitions. cyclomatic complexity: 11 Second operand has 14 states, 14 states have (on average 2.0) internal successors, (28), 14 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:06:59,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:06:59,336 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2024-10-13 17:06:59,336 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 82 transitions. [2024-10-13 17:06:59,337 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 14 [2024-10-13 17:06:59,338 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 59 states and 82 transitions. [2024-10-13 17:06:59,338 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 47 [2024-10-13 17:06:59,338 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 47 [2024-10-13 17:06:59,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 82 transitions. [2024-10-13 17:06:59,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:06:59,339 INFO L218 hiAutomatonCegarLoop]: Abstraction has 59 states and 82 transitions. [2024-10-13 17:06:59,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 82 transitions. [2024-10-13 17:06:59,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 31. [2024-10-13 17:06:59,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 30 states have internal predecessors, (42), 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) [2024-10-13 17:06:59,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2024-10-13 17:06:59,357 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 42 transitions. [2024-10-13 17:06:59,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-13 17:06:59,360 INFO L425 stractBuchiCegarLoop]: Abstraction has 31 states and 42 transitions. [2024-10-13 17:06:59,360 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-13 17:06:59,360 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 42 transitions. [2024-10-13 17:06:59,360 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2024-10-13 17:06:59,360 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:06:59,360 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:06:59,361 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:06:59,361 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-13 17:06:59,361 INFO L745 eck$LassoCheckResult]: Stem: 539#$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(6, 2);call write~init~int#1(115, 2, 0, 1);call write~init~int#1(101, 2, 1, 1);call write~init~int#1(112, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 526#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 527#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 534#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 535#L22 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 540#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 536#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 537#L22 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 545#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 543#L20-3 assume !(sep_~i~0#1 < ~N~0); 542#L20-4 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 515#sep_returnLabel#1 main_#t~ret6#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 516#L20-8 [2024-10-13 17:06:59,361 INFO L747 eck$LassoCheckResult]: Loop: 516#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 519#L22-2 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 529#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 516#L20-8 [2024-10-13 17:06:59,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:59,361 INFO L85 PathProgramCache]: Analyzing trace with hash -333395639, now seen corresponding path program 1 times [2024-10-13 17:06:59,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:59,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014247932] [2024-10-13 17:06:59,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:59,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:59,382 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:06:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:59,396 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:06:59,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:59,396 INFO L85 PathProgramCache]: Analyzing trace with hash 63653, now seen corresponding path program 4 times [2024-10-13 17:06:59,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:59,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705221099] [2024-10-13 17:06:59,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:59,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:59,401 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:06:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:59,405 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:06:59,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:59,405 INFO L85 PathProgramCache]: Analyzing trace with hash 2069908061, now seen corresponding path program 1 times [2024-10-13 17:06:59,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:59,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365672611] [2024-10-13 17:06:59,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:59,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:59,427 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:06:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:59,442 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:06:59,972 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 17:06:59,972 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 17:06:59,972 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 17:06:59,972 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 17:06:59,972 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 17:06:59,972 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:59,973 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 17:06:59,973 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 17:06:59,973 INFO L132 ssoRankerPreferences]: Filename of dumped script: sep.i_Iteration5_Lasso [2024-10-13 17:06:59,973 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 17:06:59,973 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 17:06:59,974 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:59,978 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:00,014 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:00,016 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:00,017 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:00,018 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:00,020 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:00,021 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:00,022 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:00,024 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:00,026 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:00,027 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:00,029 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:00,031 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:00,037 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:00,038 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:00,207 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:00,210 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:00,212 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:00,213 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:00,215 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:00,216 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:00,217 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:00,219 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:00,220 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:00,502 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 17:07:00,502 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 17:07:00,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:00,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:00,504 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:00,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-13 17:07:00,506 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 [2024-10-13 17:07:00,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:00,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:00,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:00,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:00,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:00,518 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:00,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:00,519 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:00,530 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:00,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:00,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:00,531 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:00,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-13 17:07:00,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:07:00,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:00,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:00,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:00,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:00,547 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:00,548 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:00,550 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:00,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:00,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:00,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:00,562 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:00,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-13 17:07:00,564 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 [2024-10-13 17:07:00,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:00,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:00,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:00,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:00,575 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:00,576 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:00,578 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:00,588 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-10-13 17:07:00,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:00,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:00,590 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:00,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-13 17:07:00,592 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 [2024-10-13 17:07:00,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:00,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:00,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:00,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:00,604 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:00,604 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:00,606 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:00,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:00,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:00,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:00,618 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:00,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-13 17:07:00,619 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 [2024-10-13 17:07:00,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:00,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:00,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:00,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:00,630 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:00,630 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:00,633 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:00,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-10-13 17:07:00,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:00,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:00,644 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:00,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-13 17:07:00,646 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 [2024-10-13 17:07:00,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:00,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:00,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:00,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:00,656 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:00,656 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:00,659 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:00,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:00,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:00,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:00,670 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:00,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-13 17:07:00,671 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 [2024-10-13 17:07:00,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:00,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:00,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:00,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:00,682 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:00,682 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:00,684 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:00,694 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-10-13 17:07:00,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:00,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:00,695 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:00,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-13 17:07:00,696 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 [2024-10-13 17:07:00,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:00,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:00,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:00,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:00,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:00,706 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:00,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:00,707 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:00,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:00,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:00,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:00,719 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:00,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-13 17:07:00,720 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 [2024-10-13 17:07:00,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:00,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:00,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:00,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:00,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:00,730 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:00,730 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:00,731 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:00,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:00,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:00,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:00,742 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:00,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-13 17:07:00,743 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 [2024-10-13 17:07:00,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:00,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:00,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:00,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:00,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:00,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:00,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:00,754 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:00,763 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-10-13 17:07:00,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:00,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:00,765 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:00,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-10-13 17:07:00,766 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 [2024-10-13 17:07:00,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:00,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:00,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:00,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:00,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:00,776 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:00,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:00,777 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:00,786 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:00,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:00,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:00,789 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:00,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-10-13 17:07:00,790 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 [2024-10-13 17:07:00,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:00,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:00,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:00,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:00,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:00,800 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:00,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:00,801 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:00,810 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:00,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:00,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:00,812 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:00,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-10-13 17:07:00,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:07:00,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:00,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:00,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:00,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:00,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:00,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:00,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:00,824 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:00,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:00,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:00,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:00,835 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:00,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-10-13 17:07:00,837 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 [2024-10-13 17:07:00,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:00,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:00,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:00,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:00,847 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:00,847 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:00,853 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:00,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:00,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:00,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:00,864 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:00,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-10-13 17:07:00,865 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 [2024-10-13 17:07:00,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:00,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:00,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:00,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:00,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:00,875 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:00,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:00,876 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:00,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:00,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:00,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:00,887 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:00,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-10-13 17:07:00,888 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 [2024-10-13 17:07:00,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:00,897 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:00,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:00,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:00,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:00,898 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:00,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:00,898 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:00,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:00,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:00,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:00,909 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:00,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-10-13 17:07:00,910 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 [2024-10-13 17:07:00,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:00,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:00,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:00,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:00,921 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:00,921 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:00,923 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:00,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:00,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:00,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:00,935 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:00,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-10-13 17:07:00,937 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 [2024-10-13 17:07:00,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:00,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:00,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:00,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:00,949 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:00,950 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:00,952 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:00,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:00,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:00,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:00,966 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:00,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-10-13 17:07:00,967 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 [2024-10-13 17:07:00,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:00,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:00,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:00,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:00,979 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:00,979 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:00,982 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:00,992 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:00,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:00,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:00,993 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:00,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-10-13 17:07:00,995 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 [2024-10-13 17:07:01,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:01,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:01,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:01,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:01,005 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:01,005 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:01,007 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:01,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:01,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:01,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:01,018 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:01,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-10-13 17:07:01,019 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 [2024-10-13 17:07:01,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:01,029 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:01,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:01,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:01,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:01,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:01,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:01,030 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:01,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:01,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:01,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:01,045 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:01,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-10-13 17:07:01,046 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 [2024-10-13 17:07:01,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:01,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:01,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:01,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:01,059 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:01,059 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:01,066 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 17:07:01,083 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2024-10-13 17:07:01,083 INFO L444 ModelExtractionUtils]: 4 out of 19 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-10-13 17:07:01,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:01,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:01,084 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:01,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-10-13 17:07:01,086 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 17:07:01,096 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-10-13 17:07:01,096 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 17:07:01,096 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sep_~i~0#1) = -2*ULTIMATE.start_sep_~i~0#1 + 3 Supporting invariants [-1*~N~0 + 2 >= 0] [2024-10-13 17:07:01,106 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2024-10-13 17:07:01,123 INFO L156 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2024-10-13 17:07:01,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:07:01,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 17:07:01,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:07:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:07:01,218 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 17:07:01,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:07:01,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:07:01,237 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2024-10-13 17:07:01,237 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 42 transitions. cyclomatic complexity: 16 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 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) [2024-10-13 17:07:01,310 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 42 transitions. cyclomatic complexity: 16. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 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 55 states and 79 transitions. Complement of second has 10 states. [2024-10-13 17:07:01,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 5 stem states 1 non-accepting loop states 2 accepting loop states [2024-10-13 17:07:01,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 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) [2024-10-13 17:07:01,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 29 transitions. [2024-10-13 17:07:01,312 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 29 transitions. Stem has 12 letters. Loop has 3 letters. [2024-10-13 17:07:01,312 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:07:01,312 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 29 transitions. Stem has 15 letters. Loop has 3 letters. [2024-10-13 17:07:01,312 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:07:01,312 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 29 transitions. Stem has 12 letters. Loop has 6 letters. [2024-10-13 17:07:01,312 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:07:01,312 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 79 transitions. [2024-10-13 17:07:01,313 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2024-10-13 17:07:01,313 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 52 states and 73 transitions. [2024-10-13 17:07:01,314 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2024-10-13 17:07:01,314 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2024-10-13 17:07:01,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 73 transitions. [2024-10-13 17:07:01,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:07:01,314 INFO L218 hiAutomatonCegarLoop]: Abstraction has 52 states and 73 transitions. [2024-10-13 17:07:01,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 73 transitions. [2024-10-13 17:07:01,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 45. [2024-10-13 17:07:01,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.3777777777777778) internal successors, (62), 44 states have internal predecessors, (62), 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) [2024-10-13 17:07:01,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 62 transitions. [2024-10-13 17:07:01,319 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 62 transitions. [2024-10-13 17:07:01,319 INFO L425 stractBuchiCegarLoop]: Abstraction has 45 states and 62 transitions. [2024-10-13 17:07:01,320 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-13 17:07:01,320 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 62 transitions. [2024-10-13 17:07:01,320 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2024-10-13 17:07:01,320 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:07:01,320 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:07:01,320 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:07:01,320 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-13 17:07:01,321 INFO L745 eck$LassoCheckResult]: Stem: 749#$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(6, 2);call write~init~int#1(115, 2, 0, 1);call write~init~int#1(101, 2, 1, 1);call write~init~int#1(112, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 735#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 736#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 744#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 745#L22 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 766#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 765#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 762#L22 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 761#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 759#L20-3 assume !(sep_~i~0#1 < ~N~0); 757#L20-4 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 755#sep_returnLabel#1 main_#t~ret6#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 753#L20-8 assume !(sep_~i~0#1 < ~N~0); 724#L20-9 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 725#sep_returnLabel#2 main_#t~ret9#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 730#L46-3 [2024-10-13 17:07:01,321 INFO L747 eck$LassoCheckResult]: Loop: 730#L46-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem11#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int#2(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem11#1; 729#L46-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 730#L46-3 [2024-10-13 17:07:01,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:01,321 INFO L85 PathProgramCache]: Analyzing trace with hash 2069906393, now seen corresponding path program 1 times [2024-10-13 17:07:01,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:01,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401434354] [2024-10-13 17:07:01,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:01,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:01,332 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2024-10-13 17:07:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:07:01,359 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 17:07:01,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:07:01,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401434354] [2024-10-13 17:07:01,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401434354] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:07:01,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:07:01,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 17:07:01,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047615428] [2024-10-13 17:07:01,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:07:01,360 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-13 17:07:01,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:01,360 INFO L85 PathProgramCache]: Analyzing trace with hash 2723, now seen corresponding path program 1 times [2024-10-13 17:07:01,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:01,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540711992] [2024-10-13 17:07:01,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:01,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:01,365 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:07:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:01,366 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:07:01,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:07:01,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 17:07:01,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 17:07:01,408 INFO L87 Difference]: Start difference. First operand 45 states and 62 transitions. cyclomatic complexity: 23 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:07:01,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:07:01,429 INFO L93 Difference]: Finished difference Result 53 states and 70 transitions. [2024-10-13 17:07:01,430 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 70 transitions. [2024-10-13 17:07:01,430 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2024-10-13 17:07:01,430 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 53 states and 70 transitions. [2024-10-13 17:07:01,431 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2024-10-13 17:07:01,431 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2024-10-13 17:07:01,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 70 transitions. [2024-10-13 17:07:01,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:07:01,431 INFO L218 hiAutomatonCegarLoop]: Abstraction has 53 states and 70 transitions. [2024-10-13 17:07:01,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states and 70 transitions. [2024-10-13 17:07:01,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 46. [2024-10-13 17:07:01,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 45 states have internal predecessors, (60), 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) [2024-10-13 17:07:01,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 60 transitions. [2024-10-13 17:07:01,434 INFO L240 hiAutomatonCegarLoop]: Abstraction has 46 states and 60 transitions. [2024-10-13 17:07:01,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 17:07:01,436 INFO L425 stractBuchiCegarLoop]: Abstraction has 46 states and 60 transitions. [2024-10-13 17:07:01,436 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-10-13 17:07:01,436 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 60 transitions. [2024-10-13 17:07:01,436 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2024-10-13 17:07:01,436 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:07:01,436 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:07:01,436 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:07:01,436 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-13 17:07:01,437 INFO L745 eck$LassoCheckResult]: Stem: 852#$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(6, 2);call write~init~int#1(115, 2, 0, 1);call write~init~int#1(101, 2, 1, 1);call write~init~int#1(112, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 840#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 841#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 849#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 850#L22 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 868#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 867#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 865#L22 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 866#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 872#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 847#L22 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 848#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 851#L20-3 assume !(sep_~i~0#1 < ~N~0); 846#L20-4 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 827#sep_returnLabel#1 main_#t~ret6#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 828#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 831#L22-2 [2024-10-13 17:07:01,437 INFO L747 eck$LassoCheckResult]: Loop: 831#L22-2 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 843#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 853#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 831#L22-2 [2024-10-13 17:07:01,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:01,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1339633664, now seen corresponding path program 1 times [2024-10-13 17:07:01,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:01,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129924335] [2024-10-13 17:07:01,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:01,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:01,456 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:07:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:01,467 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:07:01,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:01,467 INFO L85 PathProgramCache]: Analyzing trace with hash 66653, now seen corresponding path program 5 times [2024-10-13 17:07:01,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:01,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271763223] [2024-10-13 17:07:01,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:01,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:01,474 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:07:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:01,476 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:07:01,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:01,476 INFO L85 PathProgramCache]: Analyzing trace with hash 190406654, now seen corresponding path program 2 times [2024-10-13 17:07:01,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:01,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107208340] [2024-10-13 17:07:01,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:01,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:01,503 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:07:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:01,517 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:07:02,282 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 17:07:02,282 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 17:07:02,282 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 17:07:02,282 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 17:07:02,282 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 17:07:02,282 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:02,282 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 17:07:02,282 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 17:07:02,282 INFO L132 ssoRankerPreferences]: Filename of dumped script: sep.i_Iteration7_Lasso [2024-10-13 17:07:02,282 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 17:07:02,282 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 17:07:02,283 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:02,286 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:02,287 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:02,288 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:02,290 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:02,292 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:02,293 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:02,295 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:02,296 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:02,297 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:02,299 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:02,300 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:02,490 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:02,496 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:02,499 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:02,500 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:02,503 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:02,504 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:02,505 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:02,506 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:02,508 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:02,542 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:02,543 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:02,545 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:02,842 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 17:07:02,842 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 17:07:02,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:02,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:02,844 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:02,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-10-13 17:07:02,845 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 [2024-10-13 17:07:02,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:02,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:02,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:02,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:02,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:02,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:02,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:02,856 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:02,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:02,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:02,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:02,867 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:02,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-10-13 17:07:02,868 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 [2024-10-13 17:07:02,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:02,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:02,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:02,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:02,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:02,878 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:02,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:02,879 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:02,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2024-10-13 17:07:02,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:02,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:02,889 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:02,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-10-13 17:07:02,890 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 [2024-10-13 17:07:02,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:02,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:02,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:02,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:02,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:02,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:02,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:02,902 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:02,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:02,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:02,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:02,912 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:02,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-10-13 17:07:02,916 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 [2024-10-13 17:07:02,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:02,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:02,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:02,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:02,926 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:02,926 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:02,929 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:02,938 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-10-13 17:07:02,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:02,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:02,939 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:02,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-10-13 17:07:02,940 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 [2024-10-13 17:07:02,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:02,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:02,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:02,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:02,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:02,951 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:02,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:02,952 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:02,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:02,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:02,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:02,962 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:02,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-10-13 17:07:02,963 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 [2024-10-13 17:07:02,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:02,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:02,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:02,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:02,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:02,973 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:02,973 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:02,974 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:02,984 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-10-13 17:07:02,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:02,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:02,985 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:02,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-10-13 17:07:02,986 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 [2024-10-13 17:07:02,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:02,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:02,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:02,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:02,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:02,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:02,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:02,997 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:03,007 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:03,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:03,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:03,009 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:03,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-10-13 17:07:03,010 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 [2024-10-13 17:07:03,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:03,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:03,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:03,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:03,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:03,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:03,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:03,020 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:03,030 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:03,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:03,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:03,031 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:03,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-10-13 17:07:03,032 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 [2024-10-13 17:07:03,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:03,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:03,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:03,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:03,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:03,042 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:03,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:03,042 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:03,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:03,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:03,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:03,053 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:03,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-10-13 17:07:03,054 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 [2024-10-13 17:07:03,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:03,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:03,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:03,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:03,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:03,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:03,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:03,080 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:03,089 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2024-10-13 17:07:03,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:03,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:03,090 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:03,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-10-13 17:07:03,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:07:03,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:03,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:03,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:03,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:03,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:03,101 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:03,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:03,101 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:03,111 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2024-10-13 17:07:03,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:03,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:03,112 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:03,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-10-13 17:07:03,113 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 [2024-10-13 17:07:03,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:03,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:03,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:03,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:03,124 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:03,124 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:03,126 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:03,135 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:03,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:03,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:03,136 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:03,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-10-13 17:07:03,138 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 [2024-10-13 17:07:03,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:03,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:03,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:03,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:03,148 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:03,148 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:03,151 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:03,161 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2024-10-13 17:07:03,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:03,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:03,162 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:03,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-10-13 17:07:03,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:07:03,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:03,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:03,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:03,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:03,173 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:03,173 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:03,175 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:03,185 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2024-10-13 17:07:03,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:03,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:03,187 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:03,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-10-13 17:07:03,188 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 [2024-10-13 17:07:03,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:03,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:03,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:03,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:03,198 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:03,198 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:03,200 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:03,210 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2024-10-13 17:07:03,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:03,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:03,212 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:03,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-10-13 17:07:03,213 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 [2024-10-13 17:07:03,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:03,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:03,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:03,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:03,226 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:03,226 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:03,234 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 17:07:03,261 INFO L443 ModelExtractionUtils]: Simplification made 22 calls to the SMT solver. [2024-10-13 17:07:03,262 INFO L444 ModelExtractionUtils]: 0 out of 19 variables were initially zero. Simplification set additionally 15 variables to zero. [2024-10-13 17:07:03,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:03,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:03,263 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:03,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-10-13 17:07:03,264 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 17:07:03,275 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-10-13 17:07:03,275 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 17:07:03,275 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sep_~i~0#1, v_rep(select #length ULTIMATE.start_sep_~x#1.base)_3) = -4*ULTIMATE.start_sep_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_sep_~x#1.base)_3 Supporting invariants [1*ULTIMATE.start_sep_~x#1.offset >= 0] [2024-10-13 17:07:03,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:03,301 INFO L156 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2024-10-13 17:07:03,303 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-13 17:07:03,303 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-13 17:07:03,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:07:03,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 17:07:03,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:07:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:07:03,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 17:07:03,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:07:03,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:07:03,400 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2024-10-13 17:07:03,400 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 46 states and 60 transitions. cyclomatic complexity: 20 Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:07:03,439 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 46 states and 60 transitions. cyclomatic complexity: 20. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 51 states and 72 transitions. Complement of second has 8 states. [2024-10-13 17:07:03,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-13 17:07:03,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:07:03,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2024-10-13 17:07:03,440 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 16 letters. Loop has 3 letters. [2024-10-13 17:07:03,440 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:07:03,440 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 19 letters. Loop has 3 letters. [2024-10-13 17:07:03,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:07:03,441 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 16 letters. Loop has 6 letters. [2024-10-13 17:07:03,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:07:03,441 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 72 transitions. [2024-10-13 17:07:03,441 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-10-13 17:07:03,442 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 51 states and 72 transitions. [2024-10-13 17:07:03,442 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2024-10-13 17:07:03,442 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2024-10-13 17:07:03,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 72 transitions. [2024-10-13 17:07:03,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 17:07:03,442 INFO L218 hiAutomatonCegarLoop]: Abstraction has 51 states and 72 transitions. [2024-10-13 17:07:03,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 72 transitions. [2024-10-13 17:07:03,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 46. [2024-10-13 17:07:03,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.391304347826087) internal successors, (64), 45 states have internal predecessors, (64), 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) [2024-10-13 17:07:03,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 64 transitions. [2024-10-13 17:07:03,444 INFO L240 hiAutomatonCegarLoop]: Abstraction has 46 states and 64 transitions. [2024-10-13 17:07:03,444 INFO L425 stractBuchiCegarLoop]: Abstraction has 46 states and 64 transitions. [2024-10-13 17:07:03,444 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-10-13 17:07:03,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 64 transitions. [2024-10-13 17:07:03,444 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-10-13 17:07:03,444 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:07:03,444 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:07:03,445 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:07:03,445 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-13 17:07:03,445 INFO L745 eck$LassoCheckResult]: Stem: 1074#$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(6, 2);call write~init~int#1(115, 2, 0, 1);call write~init~int#1(101, 2, 1, 1);call write~init~int#1(112, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 1065#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1066#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1070#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1068#L22 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 1069#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1092#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1091#L22 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 1073#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1071#L20-3 assume !(sep_~i~0#1 < ~N~0); 1067#L20-4 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 1049#sep_returnLabel#1 main_#t~ret6#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1050#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1053#L22-2 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 1063#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1075#L20-8 assume !(sep_~i~0#1 < ~N~0); 1051#L20-9 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 1052#sep_returnLabel#2 main_#t~ret9#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 1056#L46-3 [2024-10-13 17:07:03,445 INFO L747 eck$LassoCheckResult]: Loop: 1056#L46-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem11#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int#2(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem11#1; 1055#L46-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 1056#L46-3 [2024-10-13 17:07:03,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:03,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1787455815, now seen corresponding path program 1 times [2024-10-13 17:07:03,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:03,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570331503] [2024-10-13 17:07:03,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:03,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:03,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:07:03,498 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 17:07:03,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:07:03,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570331503] [2024-10-13 17:07:03,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570331503] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 17:07:03,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [736685835] [2024-10-13 17:07:03,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:03,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 17:07:03,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:03,501 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 17:07:03,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2024-10-13 17:07:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:07:03,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 17:07:03,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:07:03,586 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 17:07:03,586 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 17:07:03,608 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 17:07:03,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [736685835] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 17:07:03,609 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 17:07:03,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-10-13 17:07:03,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991068875] [2024-10-13 17:07:03,609 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 17:07:03,609 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-13 17:07:03,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:03,609 INFO L85 PathProgramCache]: Analyzing trace with hash 2723, now seen corresponding path program 2 times [2024-10-13 17:07:03,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:03,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585389244] [2024-10-13 17:07:03,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:03,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:03,612 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:07:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:03,614 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:07:03,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:07:03,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 17:07:03,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-10-13 17:07:03,654 INFO L87 Difference]: Start difference. First operand 46 states and 64 transitions. cyclomatic complexity: 23 Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:07:03,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:07:03,696 INFO L93 Difference]: Finished difference Result 60 states and 85 transitions. [2024-10-13 17:07:03,696 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 85 transitions. [2024-10-13 17:07:03,697 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-10-13 17:07:03,697 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 58 states and 78 transitions. [2024-10-13 17:07:03,697 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2024-10-13 17:07:03,697 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2024-10-13 17:07:03,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 78 transitions. [2024-10-13 17:07:03,698 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 17:07:03,698 INFO L218 hiAutomatonCegarLoop]: Abstraction has 58 states and 78 transitions. [2024-10-13 17:07:03,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states and 78 transitions. [2024-10-13 17:07:03,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 47. [2024-10-13 17:07:03,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 46 states have internal predecessors, (62), 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) [2024-10-13 17:07:03,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 62 transitions. [2024-10-13 17:07:03,699 INFO L240 hiAutomatonCegarLoop]: Abstraction has 47 states and 62 transitions. [2024-10-13 17:07:03,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 17:07:03,700 INFO L425 stractBuchiCegarLoop]: Abstraction has 47 states and 62 transitions. [2024-10-13 17:07:03,700 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-10-13 17:07:03,700 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states and 62 transitions. [2024-10-13 17:07:03,700 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-10-13 17:07:03,700 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:07:03,700 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:07:03,701 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:07:03,701 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-13 17:07:03,701 INFO L745 eck$LassoCheckResult]: Stem: 1294#$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(6, 2);call write~init~int#1(115, 2, 0, 1);call write~init~int#1(101, 2, 1, 1);call write~init~int#1(112, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 1283#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1284#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1290#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1291#L22 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 1316#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1315#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1312#L22 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 1311#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1309#L20-3 assume !(sep_~i~0#1 < ~N~0); 1306#L20-4 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 1304#sep_returnLabel#1 main_#t~ret6#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1301#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1300#L22-2 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 1286#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1275#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1276#L22-2 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 1295#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1296#L20-8 assume !(sep_~i~0#1 < ~N~0); 1272#L20-9 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 1273#sep_returnLabel#2 main_#t~ret9#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 1278#L46-3 [2024-10-13 17:07:03,701 INFO L747 eck$LassoCheckResult]: Loop: 1278#L46-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem11#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int#2(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem11#1; 1277#L46-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 1278#L46-3 [2024-10-13 17:07:03,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:03,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1143219481, now seen corresponding path program 2 times [2024-10-13 17:07:03,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:03,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959086511] [2024-10-13 17:07:03,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:03,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:07:03,907 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2024-10-13 17:07:04,076 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-13 17:07:04,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:07:04,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959086511] [2024-10-13 17:07:04,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959086511] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 17:07:04,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560042345] [2024-10-13 17:07:04,076 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 17:07:04,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 17:07:04,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:04,078 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 17:07:04,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2024-10-13 17:07:04,131 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 17:07:04,131 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 17:07:04,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-10-13 17:07:04,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:07:04,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 13 [2024-10-13 17:07:04,236 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-13 17:07:04,237 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 17:07:04,307 INFO L349 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2024-10-13 17:07:04,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2024-10-13 17:07:04,343 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-13 17:07:04,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560042345] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 17:07:04,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 17:07:04,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2024-10-13 17:07:04,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488630082] [2024-10-13 17:07:04,344 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 17:07:04,344 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-13 17:07:04,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:04,344 INFO L85 PathProgramCache]: Analyzing trace with hash 2723, now seen corresponding path program 3 times [2024-10-13 17:07:04,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:04,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433185985] [2024-10-13 17:07:04,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:04,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:04,350 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:07:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:04,352 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:07:04,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:07:04,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-13 17:07:04,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2024-10-13 17:07:04,399 INFO L87 Difference]: Start difference. First operand 47 states and 62 transitions. cyclomatic complexity: 20 Second operand has 17 states, 17 states have (on average 2.176470588235294) internal successors, (37), 17 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:07:04,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:07:04,606 INFO L93 Difference]: Finished difference Result 79 states and 106 transitions. [2024-10-13 17:07:04,606 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 79 states and 106 transitions. [2024-10-13 17:07:04,607 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-10-13 17:07:04,607 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 79 states to 79 states and 106 transitions. [2024-10-13 17:07:04,607 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2024-10-13 17:07:04,608 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2024-10-13 17:07:04,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 79 states and 106 transitions. [2024-10-13 17:07:04,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 17:07:04,608 INFO L218 hiAutomatonCegarLoop]: Abstraction has 79 states and 106 transitions. [2024-10-13 17:07:04,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states and 106 transitions. [2024-10-13 17:07:04,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 47. [2024-10-13 17:07:04,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 46 states have internal predecessors, (60), 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) [2024-10-13 17:07:04,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 60 transitions. [2024-10-13 17:07:04,610 INFO L240 hiAutomatonCegarLoop]: Abstraction has 47 states and 60 transitions. [2024-10-13 17:07:04,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-13 17:07:04,614 INFO L425 stractBuchiCegarLoop]: Abstraction has 47 states and 60 transitions. [2024-10-13 17:07:04,615 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-10-13 17:07:04,615 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states and 60 transitions. [2024-10-13 17:07:04,615 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-10-13 17:07:04,615 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:07:04,615 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:07:04,615 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:07:04,615 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-13 17:07:04,615 INFO L745 eck$LassoCheckResult]: Stem: 1569#$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(6, 2);call write~init~int#1(115, 2, 0, 1);call write~init~int#1(101, 2, 1, 1);call write~init~int#1(112, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 1559#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1560#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1566#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1564#L22 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 1565#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1567#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1568#L22 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 1582#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1591#L20-3 assume !(sep_~i~0#1 < ~N~0); 1589#L20-4 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 1587#sep_returnLabel#1 main_#t~ret6#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1585#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1583#L22-2 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 1562#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1551#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1552#L22-2 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 1570#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1571#L20-8 assume !(sep_~i~0#1 < ~N~0); 1548#L20-9 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 1549#sep_returnLabel#2 main_#t~ret9#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 1554#L46-3 [2024-10-13 17:07:04,615 INFO L747 eck$LassoCheckResult]: Loop: 1554#L46-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem11#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int#2(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem11#1; 1553#L46-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 1554#L46-3 [2024-10-13 17:07:04,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:04,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1952566107, now seen corresponding path program 1 times [2024-10-13 17:07:04,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:04,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710057917] [2024-10-13 17:07:04,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:04,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:04,643 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:07:04,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:04,655 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:07:04,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:04,659 INFO L85 PathProgramCache]: Analyzing trace with hash 2723, now seen corresponding path program 4 times [2024-10-13 17:07:04,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:04,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369109310] [2024-10-13 17:07:04,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:04,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:04,663 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:07:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:04,664 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:07:04,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:04,664 INFO L85 PathProgramCache]: Analyzing trace with hash -484677763, now seen corresponding path program 1 times [2024-10-13 17:07:04,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:04,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583214525] [2024-10-13 17:07:04,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:04,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:04,687 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:07:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:04,716 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:07:05,710 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 17:07:05,710 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 17:07:05,710 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 17:07:05,710 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 17:07:05,710 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 17:07:05,710 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:05,710 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 17:07:05,710 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 17:07:05,710 INFO L132 ssoRankerPreferences]: Filename of dumped script: sep.i_Iteration10_Lasso [2024-10-13 17:07:05,710 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 17:07:05,710 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 17:07:05,712 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:05,716 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:05,717 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:05,719 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:05,720 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:05,721 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:05,722 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:05,723 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:05,724 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:05,725 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:05,726 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:05,732 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:05,734 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:05,736 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:05,918 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:05,920 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:05,922 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:05,923 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:05,960 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:05,961 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:05,962 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:05,964 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:05,966 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:05,967 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:05,968 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:05,969 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:05,971 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:06,190 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 17:07:06,190 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 17:07:06,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:06,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:06,192 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:07:06,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2024-10-13 17:07:06,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:07:06,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:06,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:06,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:06,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:06,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:06,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:06,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:06,204 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:06,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:06,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:06,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:06,214 INFO L229 MonitoredProcess]: Starting monitored process 66 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) [2024-10-13 17:07:06,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2024-10-13 17:07:06,216 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 [2024-10-13 17:07:06,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:06,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:06,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:06,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:06,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:06,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:06,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:06,226 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:06,235 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2024-10-13 17:07:06,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:06,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:06,237 INFO L229 MonitoredProcess]: Starting monitored process 67 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) [2024-10-13 17:07:06,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2024-10-13 17:07:06,238 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 [2024-10-13 17:07:06,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:06,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:06,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:06,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:06,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:06,249 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:06,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:06,250 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:06,259 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2024-10-13 17:07:06,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:06,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:06,260 INFO L229 MonitoredProcess]: Starting monitored process 68 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) [2024-10-13 17:07:06,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2024-10-13 17:07:06,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:07:06,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:06,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:06,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:06,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:06,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:06,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:06,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:06,272 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:06,281 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2024-10-13 17:07:06,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:06,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:06,282 INFO L229 MonitoredProcess]: Starting monitored process 69 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) [2024-10-13 17:07:06,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2024-10-13 17:07:06,283 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 [2024-10-13 17:07:06,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:06,293 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:06,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:06,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:06,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:06,293 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:06,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:06,294 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:06,303 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2024-10-13 17:07:06,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:06,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:06,304 INFO L229 MonitoredProcess]: Starting monitored process 70 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) [2024-10-13 17:07:06,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2024-10-13 17:07:06,305 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 [2024-10-13 17:07:06,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:06,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:06,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:06,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:06,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:06,315 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:06,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:06,316 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:06,326 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:06,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:06,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:06,327 INFO L229 MonitoredProcess]: Starting monitored process 71 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) [2024-10-13 17:07:06,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2024-10-13 17:07:06,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:07:06,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:06,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:06,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:06,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:06,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:06,338 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:06,338 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:06,339 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:06,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:06,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:06,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:06,350 INFO L229 MonitoredProcess]: Starting monitored process 72 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) [2024-10-13 17:07:06,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2024-10-13 17:07:06,351 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 [2024-10-13 17:07:06,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:06,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:06,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:06,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:06,361 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:06,361 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:06,363 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:06,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:06,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:06,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:06,375 INFO L229 MonitoredProcess]: Starting monitored process 73 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) [2024-10-13 17:07:06,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2024-10-13 17:07:06,376 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 [2024-10-13 17:07:06,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:06,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:06,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:06,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:06,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:06,386 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:06,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:06,390 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:06,400 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2024-10-13 17:07:06,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:06,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:06,401 INFO L229 MonitoredProcess]: Starting monitored process 74 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) [2024-10-13 17:07:06,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2024-10-13 17:07:06,403 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 [2024-10-13 17:07:06,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:06,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:06,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:06,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:06,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:06,413 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:06,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:06,414 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:06,424 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2024-10-13 17:07:06,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:06,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:06,425 INFO L229 MonitoredProcess]: Starting monitored process 75 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) [2024-10-13 17:07:06,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2024-10-13 17:07:06,427 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 [2024-10-13 17:07:06,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:06,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:06,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:06,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:06,437 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:06,437 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:06,439 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:06,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:06,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:06,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:06,450 INFO L229 MonitoredProcess]: Starting monitored process 76 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) [2024-10-13 17:07:06,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2024-10-13 17:07:06,451 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 [2024-10-13 17:07:06,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:06,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:06,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:06,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:06,461 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:06,461 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:06,463 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:06,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2024-10-13 17:07:06,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:06,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:06,475 INFO L229 MonitoredProcess]: Starting monitored process 77 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) [2024-10-13 17:07:06,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2024-10-13 17:07:06,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:07:06,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:06,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:06,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:06,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:06,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:06,486 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:06,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:06,487 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:06,496 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2024-10-13 17:07:06,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:06,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:06,497 INFO L229 MonitoredProcess]: Starting monitored process 78 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) [2024-10-13 17:07:06,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2024-10-13 17:07:06,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:07:06,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:06,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:06,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:06,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:06,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:06,508 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:06,508 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:06,509 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:06,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:06,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:06,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:06,520 INFO L229 MonitoredProcess]: Starting monitored process 79 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) [2024-10-13 17:07:06,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2024-10-13 17:07:06,521 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 [2024-10-13 17:07:06,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:06,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:06,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:06,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:06,532 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:06,532 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:06,535 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:06,544 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2024-10-13 17:07:06,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:06,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:06,546 INFO L229 MonitoredProcess]: Starting monitored process 80 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) [2024-10-13 17:07:06,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2024-10-13 17:07:06,547 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 [2024-10-13 17:07:06,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:06,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:06,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:06,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:06,557 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:06,558 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:06,560 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:06,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:06,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:06,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:06,571 INFO L229 MonitoredProcess]: Starting monitored process 81 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) [2024-10-13 17:07:06,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2024-10-13 17:07:06,572 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 [2024-10-13 17:07:06,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:06,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:06,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:06,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:06,583 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:06,583 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:06,586 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:06,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:06,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:06,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:06,596 INFO L229 MonitoredProcess]: Starting monitored process 82 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) [2024-10-13 17:07:06,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2024-10-13 17:07:06,597 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 [2024-10-13 17:07:06,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:06,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:06,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:06,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:06,607 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:06,607 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:06,609 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:06,619 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2024-10-13 17:07:06,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:06,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:06,620 INFO L229 MonitoredProcess]: Starting monitored process 83 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) [2024-10-13 17:07:06,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2024-10-13 17:07:06,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:07:06,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:06,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:06,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:06,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:06,632 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:06,632 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:06,634 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:06,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2024-10-13 17:07:06,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:06,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:06,645 INFO L229 MonitoredProcess]: Starting monitored process 84 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) [2024-10-13 17:07:06,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2024-10-13 17:07:06,646 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 [2024-10-13 17:07:06,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:06,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:06,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:06,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:06,658 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:06,658 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:06,663 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 17:07:06,672 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-10-13 17:07:06,672 INFO L444 ModelExtractionUtils]: 1 out of 16 variables were initially zero. Simplification set additionally 12 variables to zero. [2024-10-13 17:07:06,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:06,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:06,673 INFO L229 MonitoredProcess]: Starting monitored process 85 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) [2024-10-13 17:07:06,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2024-10-13 17:07:06,674 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 17:07:06,684 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-13 17:07:06,685 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 17:07:06,685 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, ~N~0) = -1*ULTIMATE.start_main_~i~1#1 + 1*~N~0 Supporting invariants [] [2024-10-13 17:07:06,695 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2024-10-13 17:07:06,700 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2024-10-13 17:07:06,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:07:06,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 17:07:06,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:07:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:07:06,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 17:07:06,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:07:06,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:07:06,758 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 [2024-10-13 17:07:06,758 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 47 states and 60 transitions. cyclomatic complexity: 18 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:07:06,771 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 47 states and 60 transitions. cyclomatic complexity: 18. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 49 states and 64 transitions. Complement of second has 5 states. [2024-10-13 17:07:06,771 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 [2024-10-13 17:07:06,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:07:06,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2024-10-13 17:07:06,772 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 21 letters. Loop has 2 letters. [2024-10-13 17:07:06,772 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:07:06,772 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 23 letters. Loop has 2 letters. [2024-10-13 17:07:06,772 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:07:06,772 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 21 letters. Loop has 4 letters. [2024-10-13 17:07:06,772 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:07:06,772 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 64 transitions. [2024-10-13 17:07:06,772 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 17:07:06,773 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 48 states and 62 transitions. [2024-10-13 17:07:06,773 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2024-10-13 17:07:06,773 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2024-10-13 17:07:06,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 62 transitions. [2024-10-13 17:07:06,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 17:07:06,773 INFO L218 hiAutomatonCegarLoop]: Abstraction has 48 states and 62 transitions. [2024-10-13 17:07:06,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 62 transitions. [2024-10-13 17:07:06,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-10-13 17:07:06,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 47 states have internal predecessors, (62), 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) [2024-10-13 17:07:06,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 62 transitions. [2024-10-13 17:07:06,775 INFO L240 hiAutomatonCegarLoop]: Abstraction has 48 states and 62 transitions. [2024-10-13 17:07:06,775 INFO L425 stractBuchiCegarLoop]: Abstraction has 48 states and 62 transitions. [2024-10-13 17:07:06,775 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-10-13 17:07:06,775 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 62 transitions. [2024-10-13 17:07:06,775 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 17:07:06,775 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:07:06,775 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:07:06,776 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:07:06,776 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-13 17:07:06,776 INFO L745 eck$LassoCheckResult]: Stem: 1771#$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(6, 2);call write~init~int#1(115, 2, 0, 1);call write~init~int#1(101, 2, 1, 1);call write~init~int#1(112, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 1760#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1761#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1767#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1768#L22 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 1790#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1789#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1787#L22 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 1786#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1784#L20-3 assume !(sep_~i~0#1 < ~N~0); 1781#L20-4 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 1779#sep_returnLabel#1 main_#t~ret6#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1777#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1774#L22-2 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 1762#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1752#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1753#L22-2 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 1772#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1773#L20-8 assume !(sep_~i~0#1 < ~N~0); 1749#L20-9 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 1750#sep_returnLabel#2 main_#t~ret9#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 1770#L46-3 assume !(main_~i~1#1 < ~N~0 - 1); 1756#L46-4 havoc main_~i~1#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (~N~0 - 1), 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1757#L20-13 [2024-10-13 17:07:06,776 INFO L747 eck$LassoCheckResult]: Loop: 1757#L20-13 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1758#L22-4 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 1759#L20-12 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1757#L20-13 [2024-10-13 17:07:06,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:06,778 INFO L85 PathProgramCache]: Analyzing trace with hash -484677821, now seen corresponding path program 1 times [2024-10-13 17:07:06,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:06,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058213573] [2024-10-13 17:07:06,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:06,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:07:06,822 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-13 17:07:06,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:07:06,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058213573] [2024-10-13 17:07:06,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058213573] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:07:06,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:07:06,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 17:07:06,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458285918] [2024-10-13 17:07:06,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:07:06,822 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-13 17:07:06,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:06,823 INFO L85 PathProgramCache]: Analyzing trace with hash 98408, now seen corresponding path program 1 times [2024-10-13 17:07:06,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:06,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281364466] [2024-10-13 17:07:06,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:06,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:06,827 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:07:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:06,829 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:07:06,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:07:06,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 17:07:06,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 17:07:06,866 INFO L87 Difference]: Start difference. First operand 48 states and 62 transitions. cyclomatic complexity: 19 Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 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) [2024-10-13 17:07:06,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:07:06,882 INFO L93 Difference]: Finished difference Result 49 states and 62 transitions. [2024-10-13 17:07:06,882 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 62 transitions. [2024-10-13 17:07:06,882 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 17:07:06,882 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 49 states and 62 transitions. [2024-10-13 17:07:06,882 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2024-10-13 17:07:06,882 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2024-10-13 17:07:06,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 62 transitions. [2024-10-13 17:07:06,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 17:07:06,883 INFO L218 hiAutomatonCegarLoop]: Abstraction has 49 states and 62 transitions. [2024-10-13 17:07:06,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 62 transitions. [2024-10-13 17:07:06,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 48. [2024-10-13 17:07:06,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.2708333333333333) internal successors, (61), 47 states have internal predecessors, (61), 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) [2024-10-13 17:07:06,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 61 transitions. [2024-10-13 17:07:06,884 INFO L240 hiAutomatonCegarLoop]: Abstraction has 48 states and 61 transitions. [2024-10-13 17:07:06,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 17:07:06,887 INFO L425 stractBuchiCegarLoop]: Abstraction has 48 states and 61 transitions. [2024-10-13 17:07:06,887 INFO L332 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2024-10-13 17:07:06,887 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 61 transitions. [2024-10-13 17:07:06,888 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 17:07:06,888 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:07:06,888 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:07:06,888 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:07:06,888 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-13 17:07:06,888 INFO L745 eck$LassoCheckResult]: Stem: 1877#$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(6, 2);call write~init~int#1(115, 2, 0, 1);call write~init~int#1(101, 2, 1, 1);call write~init~int#1(112, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 1864#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1865#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1871#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1872#L22 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 1895#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1894#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1893#L22 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 1892#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1890#L20-3 assume !(sep_~i~0#1 < ~N~0); 1887#L20-4 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 1885#sep_returnLabel#1 main_#t~ret6#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1883#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1880#L22-2 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 1866#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1856#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1857#L22-2 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 1878#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1879#L20-8 assume !(sep_~i~0#1 < ~N~0); 1853#L20-9 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 1854#sep_returnLabel#2 main_#t~ret9#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 1876#L46-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem11#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int#2(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem11#1; 1858#L46-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 1859#L46-3 assume !(main_~i~1#1 < ~N~0 - 1); 1860#L46-4 havoc main_~i~1#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (~N~0 - 1), 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1861#L20-13 [2024-10-13 17:07:06,888 INFO L747 eck$LassoCheckResult]: Loop: 1861#L20-13 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1862#L22-4 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 1863#L20-12 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 1861#L20-13 [2024-10-13 17:07:06,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:06,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1918860571, now seen corresponding path program 1 times [2024-10-13 17:07:06,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:06,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720519848] [2024-10-13 17:07:06,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:06,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:06,912 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:07:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:06,926 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:07:06,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:06,926 INFO L85 PathProgramCache]: Analyzing trace with hash 98408, now seen corresponding path program 2 times [2024-10-13 17:07:06,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:06,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43995379] [2024-10-13 17:07:06,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:06,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:06,929 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:07:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:06,931 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:07:06,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:06,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1239507716, now seen corresponding path program 1 times [2024-10-13 17:07:06,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:06,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47769273] [2024-10-13 17:07:06,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:06,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:07:07,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:07,650 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 17:07:07,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:07:07,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47769273] [2024-10-13 17:07:07,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47769273] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 17:07:07,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880538891] [2024-10-13 17:07:07,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:07,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 17:07:07,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:07,651 INFO L229 MonitoredProcess]: Starting monitored process 86 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 17:07:07,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (86)] Waiting until timeout for monitored process [2024-10-13 17:07:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:07:07,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-10-13 17:07:07,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:07:07,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2024-10-13 17:07:07,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2024-10-13 17:07:07,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 17:07:07,904 INFO L349 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2024-10-13 17:07:07,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 28 [2024-10-13 17:07:07,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-10-13 17:07:07,931 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 17:07:07,931 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 17:07:08,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 36 [2024-10-13 17:07:08,240 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 17:07:08,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880538891] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 17:07:08,240 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 17:07:08,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 11] total 30 [2024-10-13 17:07:08,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233313893] [2024-10-13 17:07:08,240 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 17:07:08,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:07:08,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-10-13 17:07:08,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=727, Unknown=0, NotChecked=0, Total=870 [2024-10-13 17:07:08,269 INFO L87 Difference]: Start difference. First operand 48 states and 61 transitions. cyclomatic complexity: 18 Second operand has 30 states, 30 states have (on average 2.3333333333333335) internal successors, (70), 30 states have internal predecessors, (70), 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) [2024-10-13 17:07:09,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:07:09,926 INFO L93 Difference]: Finished difference Result 161 states and 209 transitions. [2024-10-13 17:07:09,926 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 161 states and 209 transitions. [2024-10-13 17:07:09,927 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 17:07:09,928 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 161 states to 161 states and 209 transitions. [2024-10-13 17:07:09,928 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 82 [2024-10-13 17:07:09,928 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 82 [2024-10-13 17:07:09,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 161 states and 209 transitions. [2024-10-13 17:07:09,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 17:07:09,929 INFO L218 hiAutomatonCegarLoop]: Abstraction has 161 states and 209 transitions. [2024-10-13 17:07:09,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states and 209 transitions. [2024-10-13 17:07:09,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 100. [2024-10-13 17:07:09,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 100 states have (on average 1.33) internal successors, (133), 99 states have internal predecessors, (133), 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) [2024-10-13 17:07:09,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 133 transitions. [2024-10-13 17:07:09,932 INFO L240 hiAutomatonCegarLoop]: Abstraction has 100 states and 133 transitions. [2024-10-13 17:07:09,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-10-13 17:07:09,934 INFO L425 stractBuchiCegarLoop]: Abstraction has 100 states and 133 transitions. [2024-10-13 17:07:09,934 INFO L332 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2024-10-13 17:07:09,934 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 100 states and 133 transitions. [2024-10-13 17:07:09,935 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 17:07:09,935 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:07:09,935 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:07:09,935 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:07:09,935 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-13 17:07:09,936 INFO L745 eck$LassoCheckResult]: Stem: 2368#$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(6, 2);call write~init~int#1(115, 2, 0, 1);call write~init~int#1(101, 2, 1, 1);call write~init~int#1(112, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 2349#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2350#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 2360#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 2362#L22 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 2413#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 2412#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 2410#L22 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 2409#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 2407#L20-3 assume !(sep_~i~0#1 < ~N~0); 2405#L20-4 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 2404#sep_returnLabel#1 main_#t~ret6#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 2403#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 2402#L22-2 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 2401#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 2400#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 2399#L22-2 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 2353#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 2369#L20-8 assume !(sep_~i~0#1 < ~N~0); 2337#L20-9 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 2338#sep_returnLabel#2 main_#t~ret9#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 2370#L46-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem11#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int#2(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem11#1; 2385#L46-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 2384#L46-3 assume !(main_~i~1#1 < ~N~0 - 1); 2383#L46-4 havoc main_~i~1#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (~N~0 - 1), 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 2361#L20-13 [2024-10-13 17:07:09,936 INFO L747 eck$LassoCheckResult]: Loop: 2361#L20-13 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 2382#L22-4 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 2348#L20-12 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 2361#L20-13 [2024-10-13 17:07:09,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:09,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1273346529, now seen corresponding path program 1 times [2024-10-13 17:07:09,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:09,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936562132] [2024-10-13 17:07:09,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:09,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:09,951 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:07:09,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:09,966 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:07:09,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:09,967 INFO L85 PathProgramCache]: Analyzing trace with hash 98408, now seen corresponding path program 3 times [2024-10-13 17:07:09,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:09,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777932008] [2024-10-13 17:07:09,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:09,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:09,970 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:07:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:09,972 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:07:09,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:09,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1115355784, now seen corresponding path program 1 times [2024-10-13 17:07:09,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:09,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378229174] [2024-10-13 17:07:09,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:09,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:09,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:09,991 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:07:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:10,004 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:07:11,130 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 17:07:11,130 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 17:07:11,130 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 17:07:11,130 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 17:07:11,130 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 17:07:11,130 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:11,130 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 17:07:11,130 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 17:07:11,130 INFO L132 ssoRankerPreferences]: Filename of dumped script: sep.i_Iteration13_Lasso [2024-10-13 17:07:11,130 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 17:07:11,130 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 17:07:11,132 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:11,137 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:11,138 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:11,139 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:11,140 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:11,142 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:11,143 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:11,144 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:11,184 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:11,185 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:11,186 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:11,188 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:11,189 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:11,343 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:11,344 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:11,346 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:11,347 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:11,349 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:11,351 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:11,352 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:11,353 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:11,354 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:11,355 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:11,357 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:11,358 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:11,359 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:11,360 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:11,624 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 17:07:11,625 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 17:07:11,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:11,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:11,626 INFO L229 MonitoredProcess]: Starting monitored process 87 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) [2024-10-13 17:07:11,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2024-10-13 17:07:11,628 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 [2024-10-13 17:07:11,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:11,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:11,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:11,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:11,639 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:11,639 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:11,641 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:11,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:11,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:11,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:11,651 INFO L229 MonitoredProcess]: Starting monitored process 88 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) [2024-10-13 17:07:11,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2024-10-13 17:07:11,652 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 [2024-10-13 17:07:11,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:11,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:11,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:11,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:11,663 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:11,663 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:11,665 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:11,674 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2024-10-13 17:07:11,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:11,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:11,675 INFO L229 MonitoredProcess]: Starting monitored process 89 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) [2024-10-13 17:07:11,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2024-10-13 17:07:11,676 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 [2024-10-13 17:07:11,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:11,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:11,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:11,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:11,686 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:11,686 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:11,688 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:11,698 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2024-10-13 17:07:11,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:11,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:11,699 INFO L229 MonitoredProcess]: Starting monitored process 90 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) [2024-10-13 17:07:11,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2024-10-13 17:07:11,700 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 [2024-10-13 17:07:11,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:11,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:11,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:11,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:11,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:11,710 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:11,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:11,710 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:11,720 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2024-10-13 17:07:11,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:11,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:11,721 INFO L229 MonitoredProcess]: Starting monitored process 91 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) [2024-10-13 17:07:11,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2024-10-13 17:07:11,722 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 [2024-10-13 17:07:11,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:11,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:11,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:11,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:11,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:11,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:11,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:11,732 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:11,742 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2024-10-13 17:07:11,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:11,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:11,743 INFO L229 MonitoredProcess]: Starting monitored process 92 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) [2024-10-13 17:07:11,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2024-10-13 17:07:11,744 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 [2024-10-13 17:07:11,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:11,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:11,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:11,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:11,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:11,754 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:11,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:11,755 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:11,764 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2024-10-13 17:07:11,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:11,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:11,766 INFO L229 MonitoredProcess]: Starting monitored process 93 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) [2024-10-13 17:07:11,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2024-10-13 17:07:11,767 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 [2024-10-13 17:07:11,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:11,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:11,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:11,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:11,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:11,776 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:11,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:11,777 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:11,786 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2024-10-13 17:07:11,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:11,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:11,788 INFO L229 MonitoredProcess]: Starting monitored process 94 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) [2024-10-13 17:07:11,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2024-10-13 17:07:11,789 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 [2024-10-13 17:07:11,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:11,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:11,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:11,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:11,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:11,798 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:11,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:11,799 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:11,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2024-10-13 17:07:11,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:11,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:11,810 INFO L229 MonitoredProcess]: Starting monitored process 95 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) [2024-10-13 17:07:11,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2024-10-13 17:07:11,811 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 [2024-10-13 17:07:11,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:11,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:11,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:11,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:11,821 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:11,821 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:11,824 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:11,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:11,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:11,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:11,834 INFO L229 MonitoredProcess]: Starting monitored process 96 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) [2024-10-13 17:07:11,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2024-10-13 17:07:11,835 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 [2024-10-13 17:07:11,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:11,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:11,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:11,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:11,846 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:11,846 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:11,848 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:11,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2024-10-13 17:07:11,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:11,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:11,858 INFO L229 MonitoredProcess]: Starting monitored process 97 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) [2024-10-13 17:07:11,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2024-10-13 17:07:11,860 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 [2024-10-13 17:07:11,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:11,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:11,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:11,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:11,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:11,870 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:11,872 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:11,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:11,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:11,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:11,883 INFO L229 MonitoredProcess]: Starting monitored process 98 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) [2024-10-13 17:07:11,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2024-10-13 17:07:11,884 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 [2024-10-13 17:07:11,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:11,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:11,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:11,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:11,895 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:11,895 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:11,897 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:11,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:11,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:11,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:11,908 INFO L229 MonitoredProcess]: Starting monitored process 99 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) [2024-10-13 17:07:11,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2024-10-13 17:07:11,909 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 [2024-10-13 17:07:11,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:11,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:11,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:11,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:11,919 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:11,919 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:11,921 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:11,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2024-10-13 17:07:11,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:11,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:11,932 INFO L229 MonitoredProcess]: Starting monitored process 100 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) [2024-10-13 17:07:11,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2024-10-13 17:07:11,933 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:07:11,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:11,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:11,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:11,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:11,943 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:11,943 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:11,945 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:11,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2024-10-13 17:07:11,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:11,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:11,956 INFO L229 MonitoredProcess]: Starting monitored process 101 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) [2024-10-13 17:07:11,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2024-10-13 17:07:11,957 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 [2024-10-13 17:07:11,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:11,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:11,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:11,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:11,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:11,966 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:11,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:11,967 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:11,977 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2024-10-13 17:07:11,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:11,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:11,978 INFO L229 MonitoredProcess]: Starting monitored process 102 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) [2024-10-13 17:07:11,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2024-10-13 17:07:11,979 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 [2024-10-13 17:07:11,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:11,988 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:11,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:11,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:11,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:11,988 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:11,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:11,989 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:11,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:11,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:11,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:12,000 INFO L229 MonitoredProcess]: Starting monitored process 103 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) [2024-10-13 17:07:12,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2024-10-13 17:07:12,002 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 [2024-10-13 17:07:12,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:12,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:12,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:12,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:12,012 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:12,012 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:12,014 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:12,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2024-10-13 17:07:12,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:12,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:12,024 INFO L229 MonitoredProcess]: Starting monitored process 104 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) [2024-10-13 17:07:12,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2024-10-13 17:07:12,025 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 [2024-10-13 17:07:12,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:12,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:12,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:12,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:12,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:12,035 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:12,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:12,036 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:12,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2024-10-13 17:07:12,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:12,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:12,046 INFO L229 MonitoredProcess]: Starting monitored process 105 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) [2024-10-13 17:07:12,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2024-10-13 17:07:12,047 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 [2024-10-13 17:07:12,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:12,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:12,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:12,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:12,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:12,058 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:12,062 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:12,071 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:12,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:12,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:12,072 INFO L229 MonitoredProcess]: Starting monitored process 106 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) [2024-10-13 17:07:12,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2024-10-13 17:07:12,074 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 [2024-10-13 17:07:12,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:12,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:12,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:12,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:12,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:12,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:12,093 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 17:07:12,109 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2024-10-13 17:07:12,109 INFO L444 ModelExtractionUtils]: 0 out of 19 variables were initially zero. Simplification set additionally 16 variables to zero. [2024-10-13 17:07:12,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:12,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:12,111 INFO L229 MonitoredProcess]: Starting monitored process 107 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) [2024-10-13 17:07:12,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2024-10-13 17:07:12,112 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 17:07:12,121 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-13 17:07:12,122 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 17:07:12,122 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sep_~i~0#1) = -2*ULTIMATE.start_sep_~i~0#1 + 3 Supporting invariants [] [2024-10-13 17:07:12,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:12,148 INFO L156 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2024-10-13 17:07:12,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:07:12,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 17:07:12,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:07:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:07:12,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 17:07:12,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:07:12,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:07:12,272 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2024-10-13 17:07:12,273 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 100 states and 133 transitions. cyclomatic complexity: 42 Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 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) [2024-10-13 17:07:12,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:12,407 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 100 states and 133 transitions. cyclomatic complexity: 42. Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 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) Result 154 states and 210 transitions. Complement of second has 13 states. [2024-10-13 17:07:12,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 8 stem states 1 non-accepting loop states 2 accepting loop states [2024-10-13 17:07:12,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 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) [2024-10-13 17:07:12,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 56 transitions. [2024-10-13 17:07:12,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 56 transitions. Stem has 25 letters. Loop has 3 letters. [2024-10-13 17:07:12,408 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:07:12,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 56 transitions. Stem has 28 letters. Loop has 3 letters. [2024-10-13 17:07:12,408 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:07:12,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 56 transitions. Stem has 25 letters. Loop has 6 letters. [2024-10-13 17:07:12,408 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:07:12,408 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 154 states and 210 transitions. [2024-10-13 17:07:12,409 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 17:07:12,410 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 154 states to 81 states and 108 transitions. [2024-10-13 17:07:12,410 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2024-10-13 17:07:12,410 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2024-10-13 17:07:12,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 81 states and 108 transitions. [2024-10-13 17:07:12,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 17:07:12,410 INFO L218 hiAutomatonCegarLoop]: Abstraction has 81 states and 108 transitions. [2024-10-13 17:07:12,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states and 108 transitions. [2024-10-13 17:07:12,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 68. [2024-10-13 17:07:12,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 68 states have (on average 1.338235294117647) internal successors, (91), 67 states have internal predecessors, (91), 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) [2024-10-13 17:07:12,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 91 transitions. [2024-10-13 17:07:12,412 INFO L240 hiAutomatonCegarLoop]: Abstraction has 68 states and 91 transitions. [2024-10-13 17:07:12,412 INFO L425 stractBuchiCegarLoop]: Abstraction has 68 states and 91 transitions. [2024-10-13 17:07:12,412 INFO L332 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2024-10-13 17:07:12,412 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 91 transitions. [2024-10-13 17:07:12,413 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 17:07:12,413 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:07:12,413 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:07:12,413 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:07:12,413 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-13 17:07:12,414 INFO L745 eck$LassoCheckResult]: Stem: 2790#$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(6, 2);call write~init~int#1(115, 2, 0, 1);call write~init~int#1(101, 2, 1, 1);call write~init~int#1(112, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 2780#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2781#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 2785#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 2783#L22 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 2784#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 2786#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 2787#L22 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 2829#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 2827#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 2824#L22 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 2825#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 2823#L20-3 assume !(sep_~i~0#1 < ~N~0); 2822#L20-4 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 2821#sep_returnLabel#1 main_#t~ret6#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 2820#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 2819#L22-2 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 2818#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 2817#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 2816#L22-2 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 2807#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 2805#L20-8 assume !(sep_~i~0#1 < ~N~0); 2803#L20-9 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 2801#sep_returnLabel#2 main_#t~ret9#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 2799#L46-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem11#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int#2(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem11#1; 2769#L46-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 2770#L46-3 assume !(main_~i~1#1 < ~N~0 - 1); 2771#L46-4 havoc main_~i~1#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (~N~0 - 1), 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 2772#L20-13 [2024-10-13 17:07:12,414 INFO L747 eck$LassoCheckResult]: Loop: 2772#L20-13 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 2793#L22-4 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 2774#L20-12 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 2772#L20-13 [2024-10-13 17:07:12,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:12,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1205183082, now seen corresponding path program 1 times [2024-10-13 17:07:12,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:12,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822401146] [2024-10-13 17:07:12,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:12,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:07:12,495 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 17:07:12,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:07:12,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822401146] [2024-10-13 17:07:12,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822401146] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 17:07:12,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105069898] [2024-10-13 17:07:12,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:12,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 17:07:12,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:12,497 INFO L229 MonitoredProcess]: Starting monitored process 108 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 17:07:12,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (108)] Waiting until timeout for monitored process [2024-10-13 17:07:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:07:12,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 17:07:12,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:07:12,618 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 17:07:12,618 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 17:07:12,666 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 17:07:12,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1105069898] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 17:07:12,666 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 17:07:12,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2024-10-13 17:07:12,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771662691] [2024-10-13 17:07:12,666 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 17:07:12,666 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-13 17:07:12,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:12,667 INFO L85 PathProgramCache]: Analyzing trace with hash 98408, now seen corresponding path program 4 times [2024-10-13 17:07:12,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:12,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007090221] [2024-10-13 17:07:12,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:12,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:12,673 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:07:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:12,675 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:07:12,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:07:12,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 17:07:12,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-10-13 17:07:12,714 INFO L87 Difference]: Start difference. First operand 68 states and 91 transitions. cyclomatic complexity: 30 Second operand has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 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) [2024-10-13 17:07:12,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:07:12,819 INFO L93 Difference]: Finished difference Result 86 states and 114 transitions. [2024-10-13 17:07:12,819 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 86 states and 114 transitions. [2024-10-13 17:07:12,820 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 17:07:12,820 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 86 states to 80 states and 107 transitions. [2024-10-13 17:07:12,820 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 40 [2024-10-13 17:07:12,820 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 40 [2024-10-13 17:07:12,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 80 states and 107 transitions. [2024-10-13 17:07:12,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 17:07:12,821 INFO L218 hiAutomatonCegarLoop]: Abstraction has 80 states and 107 transitions. [2024-10-13 17:07:12,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states and 107 transitions. [2024-10-13 17:07:12,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 58. [2024-10-13 17:07:12,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 58 states have (on average 1.293103448275862) internal successors, (75), 57 states have internal predecessors, (75), 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) [2024-10-13 17:07:12,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 75 transitions. [2024-10-13 17:07:12,822 INFO L240 hiAutomatonCegarLoop]: Abstraction has 58 states and 75 transitions. [2024-10-13 17:07:12,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 17:07:12,823 INFO L425 stractBuchiCegarLoop]: Abstraction has 58 states and 75 transitions. [2024-10-13 17:07:12,823 INFO L332 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2024-10-13 17:07:12,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 58 states and 75 transitions. [2024-10-13 17:07:12,823 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 17:07:12,824 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:07:12,824 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:07:12,824 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:07:12,824 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-13 17:07:12,825 INFO L745 eck$LassoCheckResult]: Stem: 3139#$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(6, 2);call write~init~int#1(115, 2, 0, 1);call write~init~int#1(101, 2, 1, 1);call write~init~int#1(112, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 3124#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3125#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 3131#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3132#L22 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 3153#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 3133#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3128#L22 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 3129#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 3151#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3152#L22 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 3148#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 3149#L20-3 assume !(sep_~i~0#1 < ~N~0); 3126#L20-4 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 3127#sep_returnLabel#1 main_#t~ret6#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 3143#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3144#L22-2 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 3121#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 3112#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3113#L22-2 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 3122#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 3156#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3154#L22-2 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 3155#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 3163#L20-8 assume !(sep_~i~0#1 < ~N~0); 3162#L20-9 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 3161#sep_returnLabel#2 main_#t~ret9#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 3160#L46-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem11#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int#2(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem11#1; 3159#L46-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 3158#L46-3 assume !(main_~i~1#1 < ~N~0 - 1); 3116#L46-4 havoc main_~i~1#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (~N~0 - 1), 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 3117#L20-13 [2024-10-13 17:07:12,826 INFO L747 eck$LassoCheckResult]: Loop: 3117#L20-13 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3140#L22-4 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 3119#L20-12 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 3117#L20-13 [2024-10-13 17:07:12,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:12,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1609522326, now seen corresponding path program 2 times [2024-10-13 17:07:12,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:12,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630504967] [2024-10-13 17:07:12,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:12,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:07:12,904 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 17:07:12,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:07:12,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630504967] [2024-10-13 17:07:12,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630504967] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 17:07:12,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114572823] [2024-10-13 17:07:12,905 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 17:07:12,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 17:07:12,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:12,906 INFO L229 MonitoredProcess]: Starting monitored process 109 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 17:07:12,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (109)] Waiting until timeout for monitored process [2024-10-13 17:07:12,979 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 17:07:12,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 17:07:12,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 17:07:12,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:07:13,027 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 17:07:13,027 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 17:07:13,075 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 17:07:13,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114572823] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 17:07:13,075 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 17:07:13,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2024-10-13 17:07:13,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002917414] [2024-10-13 17:07:13,075 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 17:07:13,075 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-13 17:07:13,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:13,076 INFO L85 PathProgramCache]: Analyzing trace with hash 98408, now seen corresponding path program 5 times [2024-10-13 17:07:13,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:13,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212912322] [2024-10-13 17:07:13,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:13,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:13,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:13,079 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:07:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:13,080 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:07:13,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:07:13,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 17:07:13,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-10-13 17:07:13,118 INFO L87 Difference]: Start difference. First operand 58 states and 75 transitions. cyclomatic complexity: 23 Second operand has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:07:13,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:07:13,214 INFO L93 Difference]: Finished difference Result 69 states and 87 transitions. [2024-10-13 17:07:13,214 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 87 transitions. [2024-10-13 17:07:13,214 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 17:07:13,214 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 69 states and 87 transitions. [2024-10-13 17:07:13,215 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2024-10-13 17:07:13,215 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2024-10-13 17:07:13,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 87 transitions. [2024-10-13 17:07:13,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 17:07:13,215 INFO L218 hiAutomatonCegarLoop]: Abstraction has 69 states and 87 transitions. [2024-10-13 17:07:13,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 87 transitions. [2024-10-13 17:07:13,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 60. [2024-10-13 17:07:13,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 59 states have internal predecessors, (76), 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) [2024-10-13 17:07:13,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 76 transitions. [2024-10-13 17:07:13,217 INFO L240 hiAutomatonCegarLoop]: Abstraction has 60 states and 76 transitions. [2024-10-13 17:07:13,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 17:07:13,217 INFO L425 stractBuchiCegarLoop]: Abstraction has 60 states and 76 transitions. [2024-10-13 17:07:13,217 INFO L332 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2024-10-13 17:07:13,217 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states and 76 transitions. [2024-10-13 17:07:13,218 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 17:07:13,218 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:07:13,218 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:07:13,218 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:07:13,218 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-13 17:07:13,218 INFO L745 eck$LassoCheckResult]: Stem: 3468#$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(6, 2);call write~init~int#1(115, 2, 0, 1);call write~init~int#1(101, 2, 1, 1);call write~init~int#1(112, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 3450#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3451#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 3460#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3458#L22 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 3459#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 3461#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3462#L22 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 3483#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 3482#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3475#L22 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 3479#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 3473#L20-3 assume !(sep_~i~0#1 < ~N~0); 3474#L20-4 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 3437#sep_returnLabel#1 main_#t~ret6#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 3438#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3441#L22-2 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 3453#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 3442#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3443#L22-2 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 3454#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 3496#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3495#L22-2 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 3494#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 3493#L20-8 assume !(sep_~i~0#1 < ~N~0); 3492#L20-9 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 3491#sep_returnLabel#2 main_#t~ret9#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 3490#L46-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem11#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int#2(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem11#1; 3489#L46-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 3466#L46-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem11#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int#2(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem11#1; 3467#L46-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 3488#L46-3 assume !(main_~i~1#1 < ~N~0 - 1); 3446#L46-4 havoc main_~i~1#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (~N~0 - 1), 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 3447#L20-13 [2024-10-13 17:07:13,218 INFO L747 eck$LassoCheckResult]: Loop: 3447#L20-13 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3469#L22-4 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 3449#L20-12 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 3447#L20-13 [2024-10-13 17:07:13,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:13,219 INFO L85 PathProgramCache]: Analyzing trace with hash -562671284, now seen corresponding path program 3 times [2024-10-13 17:07:13,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:13,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843870210] [2024-10-13 17:07:13,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:13,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:13,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:07:13,770 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 17:07:13,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:07:13,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843870210] [2024-10-13 17:07:13,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843870210] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 17:07:13,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1360796888] [2024-10-13 17:07:13,771 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 17:07:13,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 17:07:13,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:13,772 INFO L229 MonitoredProcess]: Starting monitored process 110 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 17:07:13,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (110)] Waiting until timeout for monitored process [2024-10-13 17:07:13,848 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-10-13 17:07:13,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 17:07:13,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-10-13 17:07:13,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:07:13,919 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 17:07:13,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 21 [2024-10-13 17:07:13,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-10-13 17:07:13,979 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-13 17:07:13,979 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 17:07:14,063 INFO L349 Elim1Store]: treesize reduction 4, result has 73.3 percent of original size [2024-10-13 17:07:14,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2024-10-13 17:07:14,103 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-13 17:07:14,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1360796888] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 17:07:14,104 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 17:07:14,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 8, 8] total 25 [2024-10-13 17:07:14,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417954577] [2024-10-13 17:07:14,104 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 17:07:14,104 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-13 17:07:14,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:14,105 INFO L85 PathProgramCache]: Analyzing trace with hash 98408, now seen corresponding path program 6 times [2024-10-13 17:07:14,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:14,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609314977] [2024-10-13 17:07:14,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:14,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:14,108 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:07:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:14,111 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:07:14,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:07:14,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-13 17:07:14,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2024-10-13 17:07:14,150 INFO L87 Difference]: Start difference. First operand 60 states and 76 transitions. cyclomatic complexity: 22 Second operand has 25 states, 25 states have (on average 2.52) internal successors, (63), 25 states have internal predecessors, (63), 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) [2024-10-13 17:07:14,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:07:14,729 INFO L93 Difference]: Finished difference Result 118 states and 149 transitions. [2024-10-13 17:07:14,729 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 118 states and 149 transitions. [2024-10-13 17:07:14,730 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 17:07:14,731 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 118 states to 118 states and 149 transitions. [2024-10-13 17:07:14,731 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2024-10-13 17:07:14,731 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2024-10-13 17:07:14,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 118 states and 149 transitions. [2024-10-13 17:07:14,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 17:07:14,731 INFO L218 hiAutomatonCegarLoop]: Abstraction has 118 states and 149 transitions. [2024-10-13 17:07:14,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states and 149 transitions. [2024-10-13 17:07:14,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 84. [2024-10-13 17:07:14,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 84 states have (on average 1.25) internal successors, (105), 83 states have internal predecessors, (105), 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) [2024-10-13 17:07:14,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 105 transitions. [2024-10-13 17:07:14,734 INFO L240 hiAutomatonCegarLoop]: Abstraction has 84 states and 105 transitions. [2024-10-13 17:07:14,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-13 17:07:14,736 INFO L425 stractBuchiCegarLoop]: Abstraction has 84 states and 105 transitions. [2024-10-13 17:07:14,736 INFO L332 stractBuchiCegarLoop]: ======== Iteration 17 ============ [2024-10-13 17:07:14,736 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 84 states and 105 transitions. [2024-10-13 17:07:14,736 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 17:07:14,736 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:07:14,736 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:07:14,737 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:07:14,737 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-13 17:07:14,737 INFO L745 eck$LassoCheckResult]: Stem: 3898#$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(6, 2);call write~init~int#1(115, 2, 0, 1);call write~init~int#1(101, 2, 1, 1);call write~init~int#1(112, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 3880#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3881#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 3890#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3891#L22 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 3940#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 3943#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3887#L22 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 3888#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 3892#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3893#L22 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 3942#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 3941#L20-3 assume !(sep_~i~0#1 < ~N~0); 3886#L20-4 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 3867#sep_returnLabel#1 main_#t~ret6#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 3868#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3871#L22-2 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 3883#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 3872#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3873#L22-2 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 3915#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 3916#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3914#L22-2 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 3900#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 3901#L20-8 assume !(sep_~i~0#1 < ~N~0); 3869#L20-9 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 3870#sep_returnLabel#2 main_#t~ret9#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 3894#L46-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem11#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int#2(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem11#1; 3895#L46-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 3896#L46-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem11#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int#2(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem11#1; 3897#L46-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 3906#L46-3 assume !(main_~i~1#1 < ~N~0 - 1); 3876#L46-4 havoc main_~i~1#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (~N~0 - 1), 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 3877#L20-13 [2024-10-13 17:07:14,737 INFO L747 eck$LassoCheckResult]: Loop: 3877#L20-13 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3903#L22-4 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 3879#L20-12 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 3877#L20-13 [2024-10-13 17:07:14,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:14,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1948874678, now seen corresponding path program 4 times [2024-10-13 17:07:14,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:14,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638299057] [2024-10-13 17:07:14,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:14,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:14,757 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:07:14,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:14,783 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:07:14,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:14,783 INFO L85 PathProgramCache]: Analyzing trace with hash 98408, now seen corresponding path program 7 times [2024-10-13 17:07:14,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:14,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979364874] [2024-10-13 17:07:14,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:14,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:14,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:07:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:14,789 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:07:14,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:14,790 INFO L85 PathProgramCache]: Analyzing trace with hash 442443647, now seen corresponding path program 2 times [2024-10-13 17:07:14,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:14,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659770367] [2024-10-13 17:07:14,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:14,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:14,812 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:07:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:14,830 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:07:18,142 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 17:07:18,142 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 17:07:18,142 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 17:07:18,142 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 17:07:18,142 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 17:07:18,142 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:18,142 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 17:07:18,142 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 17:07:18,142 INFO L132 ssoRankerPreferences]: Filename of dumped script: sep.i_Iteration17_Lasso [2024-10-13 17:07:18,142 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 17:07:18,142 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 17:07:18,144 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:18,145 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:18,151 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:18,415 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:18,416 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:18,485 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:18,487 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:18,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:18,489 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:18,490 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:18,491 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:18,492 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:18,493 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:18,505 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:18,507 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:18,508 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:18,510 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:18,511 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:18,512 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:18,514 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:18,515 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:18,516 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:18,517 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:18,518 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:18,520 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:18,521 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:18,522 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:18,812 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 17:07:18,812 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 17:07:18,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:18,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:18,814 INFO L229 MonitoredProcess]: Starting monitored process 111 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) [2024-10-13 17:07:18,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2024-10-13 17:07:18,819 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 [2024-10-13 17:07:18,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:18,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:18,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:18,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:18,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:18,829 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:18,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:18,830 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:18,840 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2024-10-13 17:07:18,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:18,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:18,841 INFO L229 MonitoredProcess]: Starting monitored process 112 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) [2024-10-13 17:07:18,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2024-10-13 17:07:18,843 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 [2024-10-13 17:07:18,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:18,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:18,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:18,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:18,853 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:18,853 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:18,855 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:18,865 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2024-10-13 17:07:18,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:18,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:18,866 INFO L229 MonitoredProcess]: Starting monitored process 113 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) [2024-10-13 17:07:18,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2024-10-13 17:07:18,867 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 [2024-10-13 17:07:18,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:18,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:18,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:18,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:18,878 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:18,878 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:18,880 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:18,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:18,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:18,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:18,891 INFO L229 MonitoredProcess]: Starting monitored process 114 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) [2024-10-13 17:07:18,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2024-10-13 17:07:18,892 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 [2024-10-13 17:07:18,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:18,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:18,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:18,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:18,902 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:18,902 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:18,904 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:18,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2024-10-13 17:07:18,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:18,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:18,915 INFO L229 MonitoredProcess]: Starting monitored process 115 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) [2024-10-13 17:07:18,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2024-10-13 17:07:18,916 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 [2024-10-13 17:07:18,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:18,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:18,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:18,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:18,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:18,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:18,929 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:18,939 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2024-10-13 17:07:18,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:18,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:18,940 INFO L229 MonitoredProcess]: Starting monitored process 116 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) [2024-10-13 17:07:18,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2024-10-13 17:07:18,941 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 [2024-10-13 17:07:18,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:18,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:18,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:18,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:18,952 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:18,952 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:18,954 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:18,963 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2024-10-13 17:07:18,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:18,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:18,965 INFO L229 MonitoredProcess]: Starting monitored process 117 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) [2024-10-13 17:07:18,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2024-10-13 17:07:18,966 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 [2024-10-13 17:07:18,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:18,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:18,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:18,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:18,976 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:18,976 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:18,979 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:18,989 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2024-10-13 17:07:18,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:18,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:18,991 INFO L229 MonitoredProcess]: Starting monitored process 118 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) [2024-10-13 17:07:18,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2024-10-13 17:07:18,992 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 [2024-10-13 17:07:19,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:19,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:19,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:19,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:19,003 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:19,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:19,006 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:19,016 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2024-10-13 17:07:19,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:19,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:19,017 INFO L229 MonitoredProcess]: Starting monitored process 119 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) [2024-10-13 17:07:19,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2024-10-13 17:07:19,018 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 [2024-10-13 17:07:19,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:19,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:19,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:19,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:19,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:19,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:19,032 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:19,042 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2024-10-13 17:07:19,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:19,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:19,044 INFO L229 MonitoredProcess]: Starting monitored process 120 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) [2024-10-13 17:07:19,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2024-10-13 17:07:19,045 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 [2024-10-13 17:07:19,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:19,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:19,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:19,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:19,057 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:19,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:19,060 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:19,070 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2024-10-13 17:07:19,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:19,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:19,072 INFO L229 MonitoredProcess]: Starting monitored process 121 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) [2024-10-13 17:07:19,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2024-10-13 17:07:19,074 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 [2024-10-13 17:07:19,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:19,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:19,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:19,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:19,085 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:19,085 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:19,087 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:19,096 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Ended with exit code 0 [2024-10-13 17:07:19,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:19,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:19,098 INFO L229 MonitoredProcess]: Starting monitored process 122 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) [2024-10-13 17:07:19,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2024-10-13 17:07:19,099 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 [2024-10-13 17:07:19,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:19,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:19,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:19,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:19,109 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:19,109 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:19,111 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:19,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:19,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:19,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:19,122 INFO L229 MonitoredProcess]: Starting monitored process 123 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) [2024-10-13 17:07:19,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2024-10-13 17:07:19,124 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 [2024-10-13 17:07:19,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:19,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:19,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:19,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:19,136 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:19,136 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:19,143 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 17:07:19,157 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2024-10-13 17:07:19,157 INFO L444 ModelExtractionUtils]: 2 out of 19 variables were initially zero. Simplification set additionally 14 variables to zero. [2024-10-13 17:07:19,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:19,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:19,159 INFO L229 MonitoredProcess]: Starting monitored process 124 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) [2024-10-13 17:07:19,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2024-10-13 17:07:19,160 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 17:07:19,170 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-13 17:07:19,170 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 17:07:19,170 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_sep_~x#1.base)_5, ULTIMATE.start_sep_~i~0#1) = 5*v_rep(select #length ULTIMATE.start_sep_~x#1.base)_5 - 8*ULTIMATE.start_sep_~i~0#1 Supporting invariants [] [2024-10-13 17:07:19,181 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Ended with exit code 0 [2024-10-13 17:07:19,201 INFO L156 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2024-10-13 17:07:19,202 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-13 17:07:19,202 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-13 17:07:19,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:19,253 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Ended with exit code 0 [2024-10-13 17:07:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:07:19,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-13 17:07:19,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:07:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:07:19,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 17:07:19,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:07:19,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:07:19,386 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2024-10-13 17:07:19,386 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 84 states and 105 transitions. cyclomatic complexity: 29 Second operand has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 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) [2024-10-13 17:07:19,565 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 84 states and 105 transitions. cyclomatic complexity: 29. Second operand has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 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 197 states and 262 transitions. Complement of second has 16 states. [2024-10-13 17:07:19,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 11 stem states 1 non-accepting loop states 2 accepting loop states [2024-10-13 17:07:19,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 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) [2024-10-13 17:07:19,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 86 transitions. [2024-10-13 17:07:19,566 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 86 transitions. Stem has 33 letters. Loop has 3 letters. [2024-10-13 17:07:19,566 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:07:19,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 86 transitions. Stem has 36 letters. Loop has 3 letters. [2024-10-13 17:07:19,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:07:19,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 86 transitions. Stem has 33 letters. Loop has 6 letters. [2024-10-13 17:07:19,568 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:07:19,568 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 197 states and 262 transitions. [2024-10-13 17:07:19,569 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 17:07:19,570 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 197 states to 122 states and 160 transitions. [2024-10-13 17:07:19,570 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 39 [2024-10-13 17:07:19,570 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2024-10-13 17:07:19,570 INFO L73 IsDeterministic]: Start isDeterministic. Operand 122 states and 160 transitions. [2024-10-13 17:07:19,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 17:07:19,570 INFO L218 hiAutomatonCegarLoop]: Abstraction has 122 states and 160 transitions. [2024-10-13 17:07:19,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states and 160 transitions. [2024-10-13 17:07:19,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 102. [2024-10-13 17:07:19,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 102 states have (on average 1.2647058823529411) internal successors, (129), 101 states have internal predecessors, (129), 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) [2024-10-13 17:07:19,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 129 transitions. [2024-10-13 17:07:19,575 INFO L240 hiAutomatonCegarLoop]: Abstraction has 102 states and 129 transitions. [2024-10-13 17:07:19,575 INFO L425 stractBuchiCegarLoop]: Abstraction has 102 states and 129 transitions. [2024-10-13 17:07:19,575 INFO L332 stractBuchiCegarLoop]: ======== Iteration 18 ============ [2024-10-13 17:07:19,575 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states and 129 transitions. [2024-10-13 17:07:19,575 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 17:07:19,575 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:07:19,576 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:07:19,576 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:07:19,576 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-13 17:07:19,576 INFO L745 eck$LassoCheckResult]: Stem: 4386#$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(6, 2);call write~init~int#1(115, 2, 0, 1);call write~init~int#1(101, 2, 1, 1);call write~init~int#1(112, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 4371#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 4372#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 4380#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 4381#L22 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 4436#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 4435#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 4433#L22 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 4432#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 4431#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 4430#L22 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 4429#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 4428#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 4423#L22 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 4426#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 4422#L20-3 assume !(sep_~i~0#1 < ~N~0); 4420#L20-4 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 4418#sep_returnLabel#1 main_#t~ret6#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 4416#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 4414#L22-2 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 4413#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 4412#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 4411#L22-2 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 4410#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 4409#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 4408#L22-2 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 4404#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 4406#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 4403#L22-2 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 4402#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 4401#L20-8 assume !(sep_~i~0#1 < ~N~0); 4400#L20-9 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 4399#sep_returnLabel#2 main_#t~ret9#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 4384#L46-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem11#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int#2(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem11#1; 4365#L46-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 4366#L46-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem11#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int#2(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem11#1; 4385#L46-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 4395#L46-3 assume !(main_~i~1#1 < ~N~0 - 1); 4367#L46-4 havoc main_~i~1#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (~N~0 - 1), 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 4368#L20-13 [2024-10-13 17:07:19,576 INFO L747 eck$LassoCheckResult]: Loop: 4368#L20-13 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 4392#L22-4 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 4370#L20-12 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 4368#L20-13 [2024-10-13 17:07:19,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:19,577 INFO L85 PathProgramCache]: Analyzing trace with hash -293435165, now seen corresponding path program 5 times [2024-10-13 17:07:19,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:19,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869288986] [2024-10-13 17:07:19,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:19,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:19,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:07:19,672 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-13 17:07:19,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:07:19,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869288986] [2024-10-13 17:07:19,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869288986] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 17:07:19,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867914350] [2024-10-13 17:07:19,673 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-13 17:07:19,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 17:07:19,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:19,675 INFO L229 MonitoredProcess]: Starting monitored process 125 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 17:07:19,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (125)] Waiting until timeout for monitored process [2024-10-13 17:07:19,756 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-10-13 17:07:19,756 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 17:07:19,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 17:07:19,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:07:19,817 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-13 17:07:19,817 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 17:07:19,862 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-13 17:07:19,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867914350] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 17:07:19,863 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 17:07:19,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 15 [2024-10-13 17:07:19,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519269805] [2024-10-13 17:07:19,863 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 17:07:19,863 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-13 17:07:19,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:19,864 INFO L85 PathProgramCache]: Analyzing trace with hash 98408, now seen corresponding path program 8 times [2024-10-13 17:07:19,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:19,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108469920] [2024-10-13 17:07:19,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:19,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:19,870 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:07:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:19,871 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:07:19,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:07:19,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 17:07:19,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2024-10-13 17:07:19,909 INFO L87 Difference]: Start difference. First operand 102 states and 129 transitions. cyclomatic complexity: 35 Second operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 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) [2024-10-13 17:07:20,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:07:20,033 INFO L93 Difference]: Finished difference Result 113 states and 142 transitions. [2024-10-13 17:07:20,033 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 113 states and 142 transitions. [2024-10-13 17:07:20,034 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 17:07:20,034 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 113 states to 113 states and 142 transitions. [2024-10-13 17:07:20,034 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 43 [2024-10-13 17:07:20,034 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 43 [2024-10-13 17:07:20,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 113 states and 142 transitions. [2024-10-13 17:07:20,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 17:07:20,035 INFO L218 hiAutomatonCegarLoop]: Abstraction has 113 states and 142 transitions. [2024-10-13 17:07:20,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states and 142 transitions. [2024-10-13 17:07:20,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 86. [2024-10-13 17:07:20,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 86 states have (on average 1.255813953488372) internal successors, (108), 85 states have internal predecessors, (108), 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) [2024-10-13 17:07:20,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 108 transitions. [2024-10-13 17:07:20,039 INFO L240 hiAutomatonCegarLoop]: Abstraction has 86 states and 108 transitions. [2024-10-13 17:07:20,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 17:07:20,039 INFO L425 stractBuchiCegarLoop]: Abstraction has 86 states and 108 transitions. [2024-10-13 17:07:20,039 INFO L332 stractBuchiCegarLoop]: ======== Iteration 19 ============ [2024-10-13 17:07:20,039 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 86 states and 108 transitions. [2024-10-13 17:07:20,040 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 17:07:20,040 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:07:20,040 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:07:20,040 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:07:20,040 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-13 17:07:20,041 INFO L745 eck$LassoCheckResult]: Stem: 4860#$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(6, 2);call write~init~int#1(115, 2, 0, 1);call write~init~int#1(101, 2, 1, 1);call write~init~int#1(112, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 4844#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 4845#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 4855#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 4852#L22 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 4853#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 4905#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 4899#L22 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 4898#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 4895#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 4892#L22 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 4889#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 4886#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 4879#L22 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 4882#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 4878#L20-3 assume !(sep_~i~0#1 < ~N~0); 4850#L20-4 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 4851#sep_returnLabel#1 main_#t~ret6#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 4834#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 4835#L22-2 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 4847#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 4836#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 4837#L22-2 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 4849#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 4863#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 4870#L22-2 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 4867#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 4869#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 4866#L22-2 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 4861#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 4862#L20-8 assume !(sep_~i~0#1 < ~N~0); 4832#L20-9 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 4833#sep_returnLabel#2 main_#t~ret9#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 4858#L46-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem11#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int#2(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem11#1; 4838#L46-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 4839#L46-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem11#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int#2(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem11#1; 4859#L46-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 4868#L46-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem11#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int#2(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem11#1; 4865#L46-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 4864#L46-3 assume !(main_~i~1#1 < ~N~0 - 1); 4840#L46-4 havoc main_~i~1#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (~N~0 - 1), 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 4841#L20-13 [2024-10-13 17:07:20,041 INFO L747 eck$LassoCheckResult]: Loop: 4841#L20-13 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 4842#L22-4 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 4843#L20-12 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 4841#L20-13 [2024-10-13 17:07:20,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:20,041 INFO L85 PathProgramCache]: Analyzing trace with hash -212238329, now seen corresponding path program 6 times [2024-10-13 17:07:20,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:20,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373879713] [2024-10-13 17:07:20,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:20,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:07:20,686 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 1 proven. 43 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-13 17:07:20,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:07:20,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373879713] [2024-10-13 17:07:20,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373879713] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 17:07:20,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198216000] [2024-10-13 17:07:20,687 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-13 17:07:20,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 17:07:20,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:20,688 INFO L229 MonitoredProcess]: Starting monitored process 126 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 17:07:20,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (126)] Waiting until timeout for monitored process [2024-10-13 17:07:20,774 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-10-13 17:07:20,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 17:07:20,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-10-13 17:07:20,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:07:20,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 17:07:20,863 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 17:07:20,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 22 [2024-10-13 17:07:20,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-10-13 17:07:20,936 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-10-13 17:07:20,936 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 17:07:21,122 INFO L349 Elim1Store]: treesize reduction 4, result has 73.3 percent of original size [2024-10-13 17:07:21,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2024-10-13 17:07:21,178 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-10-13 17:07:21,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198216000] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 17:07:21,178 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 17:07:21,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 9] total 30 [2024-10-13 17:07:21,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641522611] [2024-10-13 17:07:21,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 17:07:21,179 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-13 17:07:21,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:21,179 INFO L85 PathProgramCache]: Analyzing trace with hash 98408, now seen corresponding path program 9 times [2024-10-13 17:07:21,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:21,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198703559] [2024-10-13 17:07:21,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:21,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:21,182 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:07:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:21,185 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:07:21,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:07:21,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-10-13 17:07:21,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=752, Unknown=0, NotChecked=0, Total=870 [2024-10-13 17:07:21,224 INFO L87 Difference]: Start difference. First operand 86 states and 108 transitions. cyclomatic complexity: 29 Second operand has 30 states, 30 states have (on average 2.566666666666667) internal successors, (77), 30 states have internal predecessors, (77), 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) [2024-10-13 17:07:21,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:07:21,890 INFO L93 Difference]: Finished difference Result 121 states and 151 transitions. [2024-10-13 17:07:21,890 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 121 states and 151 transitions. [2024-10-13 17:07:21,891 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 17:07:21,891 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 121 states to 121 states and 151 transitions. [2024-10-13 17:07:21,891 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 39 [2024-10-13 17:07:21,891 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 39 [2024-10-13 17:07:21,891 INFO L73 IsDeterministic]: Start isDeterministic. Operand 121 states and 151 transitions. [2024-10-13 17:07:21,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 17:07:21,892 INFO L218 hiAutomatonCegarLoop]: Abstraction has 121 states and 151 transitions. [2024-10-13 17:07:21,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states and 151 transitions. [2024-10-13 17:07:21,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 86. [2024-10-13 17:07:21,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 86 states have (on average 1.244186046511628) internal successors, (107), 85 states have internal predecessors, (107), 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) [2024-10-13 17:07:21,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 107 transitions. [2024-10-13 17:07:21,897 INFO L240 hiAutomatonCegarLoop]: Abstraction has 86 states and 107 transitions. [2024-10-13 17:07:21,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-13 17:07:21,898 INFO L425 stractBuchiCegarLoop]: Abstraction has 86 states and 107 transitions. [2024-10-13 17:07:21,898 INFO L332 stractBuchiCegarLoop]: ======== Iteration 20 ============ [2024-10-13 17:07:21,898 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 86 states and 107 transitions. [2024-10-13 17:07:21,899 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 17:07:21,899 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:07:21,899 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:07:21,899 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:07:21,899 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-13 17:07:21,899 INFO L745 eck$LassoCheckResult]: Stem: 5376#$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(6, 2);call write~init~int#1(115, 2, 0, 1);call write~init~int#1(101, 2, 1, 1);call write~init~int#1(112, 2, 2, 1);call write~init~int#1(46, 2, 3, 1);call write~init~int#1(99, 2, 4, 1);call write~init~int#1(0, 2, 5, 1);~N~0 := 0; 5359#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~post12#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;havoc main_#t~nondet5#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5360#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 5369#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 5370#L22 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 5372#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 5371#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 5366#L22 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 5367#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 5390#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 5389#L22 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 5388#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 5387#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 5385#L22 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 5386#L20-2 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 5384#L20-3 assume !(sep_~i~0#1 < ~N~0); 5364#L20-4 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 5365#sep_returnLabel#1 main_#t~ret6#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#2(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 5423#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 5422#L22-2 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 5361#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 5351#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 5352#L22-2 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 5363#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 5393#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 5392#L22-2 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 5382#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 5383#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 5381#L22-2 assume !(0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2));havoc sep_#t~mem1#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post3#1 - 1; 5377#L20-7 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 5378#L20-8 assume !(sep_~i~0#1 < ~N~0); 5348#L20-9 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 5349#sep_returnLabel#2 main_#t~ret9#1 := sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 5373#L46-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem11#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int#2(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem11#1; 5374#L46-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 5375#L46-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem11#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int#2(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem11#1; 5353#L46-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 5354#L46-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem11#1 := read~int#2(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int#2(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem11#1; 5380#L46-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 5379#L46-3 assume !(main_~i~1#1 < ~N~0 - 1); 5355#L46-4 havoc main_~i~1#1;call write~int#2(main_~temp~0#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (~N~0 - 1), 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem1#1, sep_#t~post2#1, sep_#t~post3#1, sep_#t~post4#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 5356#L20-13 [2024-10-13 17:07:21,901 INFO L747 eck$LassoCheckResult]: Loop: 5356#L20-13 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem1#1 := read~int#2(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 5357#L22-4 assume 0 == (if sep_#t~mem1#1 < 0 && 0 != sep_#t~mem1#1 % 2 then sep_#t~mem1#1 % 2 - 2 else sep_#t~mem1#1 % 2);havoc sep_#t~mem1#1;sep_#t~post2#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post2#1; 5358#L20-12 sep_#t~post4#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post4#1;havoc sep_#t~post4#1; 5356#L20-13 [2024-10-13 17:07:21,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:21,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1476705413, now seen corresponding path program 7 times [2024-10-13 17:07:21,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:21,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379170687] [2024-10-13 17:07:21,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:21,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:21,928 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:07:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:21,948 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:07:21,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:21,948 INFO L85 PathProgramCache]: Analyzing trace with hash 98408, now seen corresponding path program 10 times [2024-10-13 17:07:21,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:21,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642277645] [2024-10-13 17:07:21,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:21,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:21,951 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:07:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:21,952 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:07:21,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:21,953 INFO L85 PathProgramCache]: Analyzing trace with hash -818985628, now seen corresponding path program 3 times [2024-10-13 17:07:21,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:07:21,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505594703] [2024-10-13 17:07:21,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:07:21,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:07:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:21,981 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:07:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:07:22,004 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:07:27,141 WARN L286 SmtUtils]: Spent 5.09s on a formula simplification. DAG size of input: 432 DAG size of output: 336 (called from [L 275] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-10-13 17:07:27,767 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 17:07:27,767 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 17:07:27,767 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 17:07:27,767 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 17:07:27,767 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 17:07:27,767 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:27,767 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 17:07:27,767 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 17:07:27,767 INFO L132 ssoRankerPreferences]: Filename of dumped script: sep.i_Iteration20_Lasso [2024-10-13 17:07:27,767 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 17:07:27,767 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 17:07:27,769 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:27,865 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:27,867 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:27,868 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:27,869 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:27,870 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:27,876 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:27,878 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:27,879 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:27,881 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:27,883 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:27,885 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:27,886 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:27,888 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:27,889 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:27,890 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:27,891 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:27,892 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:27,893 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:27,894 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:27,895 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:27,897 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:27,906 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:27,907 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:27,908 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:27,909 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:28,262 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:07:28,568 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 17:07:28,568 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 17:07:28,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:28,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:28,570 INFO L229 MonitoredProcess]: Starting monitored process 127 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) [2024-10-13 17:07:28,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2024-10-13 17:07:28,571 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 [2024-10-13 17:07:28,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:28,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:28,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:28,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:28,582 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:28,582 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:28,584 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:28,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:28,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:28,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:28,595 INFO L229 MonitoredProcess]: Starting monitored process 128 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) [2024-10-13 17:07:28,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2024-10-13 17:07:28,597 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 [2024-10-13 17:07:28,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:28,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:28,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:28,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:28,607 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:28,607 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:28,610 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:28,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:28,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:28,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:28,621 INFO L229 MonitoredProcess]: Starting monitored process 129 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) [2024-10-13 17:07:28,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2024-10-13 17:07:28,622 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 [2024-10-13 17:07:28,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:28,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:28,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:28,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:28,632 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:28,632 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:28,634 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:28,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Ended with exit code 0 [2024-10-13 17:07:28,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:28,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:28,644 INFO L229 MonitoredProcess]: Starting monitored process 130 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) [2024-10-13 17:07:28,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2024-10-13 17:07:28,645 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 [2024-10-13 17:07:28,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:28,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:28,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:28,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:28,656 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:28,656 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:28,658 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:28,667 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:28,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:28,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:28,668 INFO L229 MonitoredProcess]: Starting monitored process 131 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) [2024-10-13 17:07:28,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2024-10-13 17:07:28,669 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 [2024-10-13 17:07:28,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:28,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:28,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:28,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:28,679 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:28,679 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:28,682 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:28,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Ended with exit code 0 [2024-10-13 17:07:28,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:28,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:28,693 INFO L229 MonitoredProcess]: Starting monitored process 132 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) [2024-10-13 17:07:28,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2024-10-13 17:07:28,694 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 [2024-10-13 17:07:28,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:28,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:28,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:28,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:28,705 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:28,705 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:28,708 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:28,718 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:28,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:28,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:28,719 INFO L229 MonitoredProcess]: Starting monitored process 133 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) [2024-10-13 17:07:28,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2024-10-13 17:07:28,721 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 [2024-10-13 17:07:28,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:28,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:28,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:28,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:28,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:28,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:28,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:28,732 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:28,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:28,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:28,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:28,744 INFO L229 MonitoredProcess]: Starting monitored process 134 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) [2024-10-13 17:07:28,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2024-10-13 17:07:28,745 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 [2024-10-13 17:07:28,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:28,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:28,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:28,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:28,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:28,755 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:28,756 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:28,757 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:28,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Ended with exit code 0 [2024-10-13 17:07:28,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:28,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:28,768 INFO L229 MonitoredProcess]: Starting monitored process 135 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) [2024-10-13 17:07:28,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2024-10-13 17:07:28,769 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 [2024-10-13 17:07:28,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:28,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:28,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:28,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:28,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:28,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:28,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:28,781 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:28,791 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Ended with exit code 0 [2024-10-13 17:07:28,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:28,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:28,792 INFO L229 MonitoredProcess]: Starting monitored process 136 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) [2024-10-13 17:07:28,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2024-10-13 17:07:28,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:07:28,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:28,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:28,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:28,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:28,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:28,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:28,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:28,807 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:28,817 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:28,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:28,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:28,819 INFO L229 MonitoredProcess]: Starting monitored process 137 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) [2024-10-13 17:07:28,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2024-10-13 17:07:28,820 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 [2024-10-13 17:07:28,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:28,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:28,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:28,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:28,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:28,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:28,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:28,833 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:28,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:28,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:28,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:28,845 INFO L229 MonitoredProcess]: Starting monitored process 138 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) [2024-10-13 17:07:28,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2024-10-13 17:07:28,847 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 [2024-10-13 17:07:28,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:28,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:28,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:28,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:28,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:28,857 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:28,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:28,858 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:28,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:28,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:28,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:28,870 INFO L229 MonitoredProcess]: Starting monitored process 139 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) [2024-10-13 17:07:28,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2024-10-13 17:07:28,872 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 [2024-10-13 17:07:28,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:28,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:28,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:28,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:28,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:28,882 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:28,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:28,883 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:28,893 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:28,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:28,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:28,895 INFO L229 MonitoredProcess]: Starting monitored process 140 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) [2024-10-13 17:07:28,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2024-10-13 17:07:28,896 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 [2024-10-13 17:07:28,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:28,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:28,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:28,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:28,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:28,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:28,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:28,908 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:28,917 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Ended with exit code 0 [2024-10-13 17:07:28,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:28,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:28,919 INFO L229 MonitoredProcess]: Starting monitored process 141 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) [2024-10-13 17:07:28,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2024-10-13 17:07:28,920 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 [2024-10-13 17:07:28,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:28,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:28,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:28,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:28,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:28,929 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:28,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:28,930 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:28,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:28,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:28,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:28,941 INFO L229 MonitoredProcess]: Starting monitored process 142 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) [2024-10-13 17:07:28,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2024-10-13 17:07:28,942 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 [2024-10-13 17:07:28,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:28,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:28,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:28,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:28,953 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:28,953 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:28,955 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:28,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:28,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:28,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:28,965 INFO L229 MonitoredProcess]: Starting monitored process 143 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) [2024-10-13 17:07:28,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2024-10-13 17:07:28,966 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 [2024-10-13 17:07:28,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:28,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:28,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:28,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:28,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:28,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:28,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:28,977 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:28,986 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Ended with exit code 0 [2024-10-13 17:07:28,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:28,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:28,987 INFO L229 MonitoredProcess]: Starting monitored process 144 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) [2024-10-13 17:07:28,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2024-10-13 17:07:28,989 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 [2024-10-13 17:07:28,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:28,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:28,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:28,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:29,001 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:29,001 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:29,003 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:29,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:29,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:29,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:29,014 INFO L229 MonitoredProcess]: Starting monitored process 145 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) [2024-10-13 17:07:29,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2024-10-13 17:07:29,015 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 [2024-10-13 17:07:29,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:29,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:29,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:29,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:29,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:29,025 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:29,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:29,026 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:29,036 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Ended with exit code 0 [2024-10-13 17:07:29,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:29,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:29,037 INFO L229 MonitoredProcess]: Starting monitored process 146 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) [2024-10-13 17:07:29,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2024-10-13 17:07:29,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:07:29,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:29,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:29,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:29,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:29,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:29,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:29,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:29,049 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:29,059 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Ended with exit code 0 [2024-10-13 17:07:29,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:29,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:29,060 INFO L229 MonitoredProcess]: Starting monitored process 147 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) [2024-10-13 17:07:29,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2024-10-13 17:07:29,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:07:29,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:29,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:29,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:29,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:29,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:29,071 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:29,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:29,072 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:29,081 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Ended with exit code 0 [2024-10-13 17:07:29,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:29,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:29,083 INFO L229 MonitoredProcess]: Starting monitored process 148 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) [2024-10-13 17:07:29,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2024-10-13 17:07:29,084 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 [2024-10-13 17:07:29,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:29,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:29,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:29,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:29,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:29,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:29,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:29,095 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:29,104 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:29,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:29,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:29,105 INFO L229 MonitoredProcess]: Starting monitored process 149 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) [2024-10-13 17:07:29,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2024-10-13 17:07:29,106 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 [2024-10-13 17:07:29,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:29,116 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:29,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:29,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:29,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:29,117 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:29,117 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:29,118 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:29,127 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Ended with exit code 0 [2024-10-13 17:07:29,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:29,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:29,128 INFO L229 MonitoredProcess]: Starting monitored process 150 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) [2024-10-13 17:07:29,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2024-10-13 17:07:29,129 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 [2024-10-13 17:07:29,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:29,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:29,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:29,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:29,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:29,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:29,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:29,139 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:29,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:29,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:29,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:29,150 INFO L229 MonitoredProcess]: Starting monitored process 151 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) [2024-10-13 17:07:29,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2024-10-13 17:07:29,151 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 [2024-10-13 17:07:29,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:29,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:29,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:29,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:29,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:29,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:29,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:29,162 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:29,172 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Ended with exit code 0 [2024-10-13 17:07:29,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:29,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:29,174 INFO L229 MonitoredProcess]: Starting monitored process 152 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) [2024-10-13 17:07:29,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2024-10-13 17:07:29,175 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 [2024-10-13 17:07:29,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:29,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:29,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:29,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:29,186 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:29,186 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:29,189 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:29,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Ended with exit code 0 [2024-10-13 17:07:29,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:29,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:29,199 INFO L229 MonitoredProcess]: Starting monitored process 153 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) [2024-10-13 17:07:29,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2024-10-13 17:07:29,200 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 [2024-10-13 17:07:29,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:29,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:29,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:29,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:29,210 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:29,210 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:29,212 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:29,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:29,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:29,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:29,223 INFO L229 MonitoredProcess]: Starting monitored process 154 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) [2024-10-13 17:07:29,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2024-10-13 17:07:29,224 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:07:29,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:29,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:29,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:29,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:29,234 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:29,234 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:29,236 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:29,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:29,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:29,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:29,247 INFO L229 MonitoredProcess]: Starting monitored process 155 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) [2024-10-13 17:07:29,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2024-10-13 17:07:29,248 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 [2024-10-13 17:07:29,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:29,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:29,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:29,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:29,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:29,258 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:29,259 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:29,259 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:29,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Ended with exit code 0 [2024-10-13 17:07:29,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:29,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:29,271 INFO L229 MonitoredProcess]: Starting monitored process 156 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) [2024-10-13 17:07:29,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2024-10-13 17:07:29,272 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 [2024-10-13 17:07:29,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:29,281 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:29,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:29,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:29,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:29,282 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:29,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:29,282 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:29,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:29,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:29,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:29,294 INFO L229 MonitoredProcess]: Starting monitored process 157 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) [2024-10-13 17:07:29,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2024-10-13 17:07:29,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:07:29,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:29,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:29,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:29,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:29,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:29,305 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:29,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:29,306 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:29,315 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Ended with exit code 0 [2024-10-13 17:07:29,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:29,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:29,317 INFO L229 MonitoredProcess]: Starting monitored process 158 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) [2024-10-13 17:07:29,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2024-10-13 17:07:29,318 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 [2024-10-13 17:07:29,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:29,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:29,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:29,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:29,328 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:29,328 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:29,329 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:29,339 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Ended with exit code 0 [2024-10-13 17:07:29,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:29,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:29,340 INFO L229 MonitoredProcess]: Starting monitored process 159 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) [2024-10-13 17:07:29,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2024-10-13 17:07:29,341 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 [2024-10-13 17:07:29,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:29,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:07:29,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:29,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:29,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:29,351 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:07:29,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:07:29,352 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:29,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:29,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:29,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:29,363 INFO L229 MonitoredProcess]: Starting monitored process 160 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) [2024-10-13 17:07:29,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2024-10-13 17:07:29,364 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 [2024-10-13 17:07:29,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:29,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:29,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:29,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:29,374 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:29,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:29,377 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:29,386 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Ended with exit code 0 [2024-10-13 17:07:29,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:29,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:29,387 INFO L229 MonitoredProcess]: Starting monitored process 161 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) [2024-10-13 17:07:29,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Waiting until timeout for monitored process [2024-10-13 17:07:29,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:07:29,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:29,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:29,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:29,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:29,399 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:29,399 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:29,401 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:29,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:29,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:29,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:29,412 INFO L229 MonitoredProcess]: Starting monitored process 162 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) [2024-10-13 17:07:29,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Waiting until timeout for monitored process [2024-10-13 17:07:29,413 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 [2024-10-13 17:07:29,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:29,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:29,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:29,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:29,423 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:29,423 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:29,426 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:07:29,435 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Ended with exit code 0 [2024-10-13 17:07:29,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:29,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:29,436 INFO L229 MonitoredProcess]: Starting monitored process 163 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) [2024-10-13 17:07:29,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Waiting until timeout for monitored process [2024-10-13 17:07:29,437 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 [2024-10-13 17:07:29,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:07:29,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:07:29,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:07:29,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:07:29,450 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:07:29,450 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:07:29,457 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 17:07:29,471 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2024-10-13 17:07:29,471 INFO L444 ModelExtractionUtils]: 3 out of 19 variables were initially zero. Simplification set additionally 12 variables to zero. [2024-10-13 17:07:29,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:07:29,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:07:29,472 INFO L229 MonitoredProcess]: Starting monitored process 164 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) [2024-10-13 17:07:29,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2024-10-13 17:07:29,473 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 17:07:29,483 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-10-13 17:07:29,483 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 17:07:29,483 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_sep_~x#1.base)_6, ULTIMATE.start_sep_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_sep_~x#1.base)_6 - 4*ULTIMATE.start_sep_~i~0#1 Supporting invariants [1*ULTIMATE.start_sep_~x#1.offset >= 0] [2024-10-13 17:07:29,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:29,513 INFO L156 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2024-10-13 17:07:29,515 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-13 17:07:29,515 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-13 17:07:29,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:07:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:07:29,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 17:07:29,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:07:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:07:29,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 17:07:29,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:07:29,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:07:29,664 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2024-10-13 17:07:29,664 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 86 states and 107 transitions. cyclomatic complexity: 28 Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-10-13 17:07:29,695 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 86 states and 107 transitions. cyclomatic complexity: 28. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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 89 states and 112 transitions. Complement of second has 5 states. [2024-10-13 17:07:29,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-13 17:07:29,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-10-13 17:07:29,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2024-10-13 17:07:29,696 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 41 letters. Loop has 3 letters. [2024-10-13 17:07:29,696 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:07:29,696 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 44 letters. Loop has 3 letters. [2024-10-13 17:07:29,696 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:07:29,696 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 41 letters. Loop has 6 letters. [2024-10-13 17:07:29,696 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:07:29,696 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 89 states and 112 transitions. [2024-10-13 17:07:29,697 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-13 17:07:29,697 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 89 states to 0 states and 0 transitions. [2024-10-13 17:07:29,697 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-13 17:07:29,697 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-13 17:07:29,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-13 17:07:29,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:07:29,697 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 17:07:29,697 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 17:07:29,697 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 17:07:29,697 INFO L332 stractBuchiCegarLoop]: ======== Iteration 21 ============ [2024-10-13 17:07:29,697 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-13 17:07:29,697 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-13 17:07:29,697 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-13 17:07:29,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 05:07:29 BoogieIcfgContainer [2024-10-13 17:07:29,705 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-13 17:07:29,705 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 17:07:29,705 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 17:07:29,705 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 17:07:29,706 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:06:55" (3/4) ... [2024-10-13 17:07:29,707 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 17:07:29,708 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 17:07:29,708 INFO L158 Benchmark]: Toolchain (without parser) took 34883.70ms. Allocated memory was 192.9MB in the beginning and 509.6MB in the end (delta: 316.7MB). Free memory was 124.6MB in the beginning and 179.5MB in the end (delta: -54.9MB). Peak memory consumption was 263.4MB. Max. memory is 16.1GB. [2024-10-13 17:07:29,708 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 113.2MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:07:29,708 INFO L158 Benchmark]: CACSL2BoogieTranslator took 189.55ms. Allocated memory is still 192.9MB. Free memory was 124.4MB in the beginning and 112.0MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-13 17:07:29,709 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.46ms. Allocated memory is still 192.9MB. Free memory was 112.0MB in the beginning and 110.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:07:29,709 INFO L158 Benchmark]: Boogie Preprocessor took 62.70ms. Allocated memory is still 192.9MB. Free memory was 110.1MB in the beginning and 165.1MB in the end (delta: -54.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-13 17:07:29,709 INFO L158 Benchmark]: RCFGBuilder took 377.79ms. Allocated memory is still 192.9MB. Free memory was 165.1MB in the beginning and 148.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-13 17:07:29,709 INFO L158 Benchmark]: BuchiAutomizer took 34216.80ms. Allocated memory was 192.9MB in the beginning and 509.6MB in the end (delta: 316.7MB). Free memory was 148.3MB in the beginning and 179.5MB in the end (delta: -31.2MB). Peak memory consumption was 288.6MB. Max. memory is 16.1GB. [2024-10-13 17:07:29,709 INFO L158 Benchmark]: Witness Printer took 2.58ms. Allocated memory is still 509.6MB. Free memory is still 179.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:07:29,712 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 113.2MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 189.55ms. Allocated memory is still 192.9MB. Free memory was 124.4MB in the beginning and 112.0MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.46ms. Allocated memory is still 192.9MB. Free memory was 112.0MB in the beginning and 110.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.70ms. Allocated memory is still 192.9MB. Free memory was 110.1MB in the beginning and 165.1MB in the end (delta: -54.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 377.79ms. Allocated memory is still 192.9MB. Free memory was 165.1MB in the beginning and 148.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 34216.80ms. Allocated memory was 192.9MB in the beginning and 509.6MB in the end (delta: 316.7MB). Free memory was 148.3MB in the beginning and 179.5MB in the end (delta: -31.2MB). Peak memory consumption was 288.6MB. Max. memory is 16.1GB. * Witness Printer took 2.58ms. Allocated memory is still 509.6MB. Free memory is still 179.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~x!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 20 terminating modules (13 trivial, 7 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function (3 + ((long long) -2 * i)) and consists of 8 locations. One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function (N + ((long long) -1 * i)) and consists of 3 locations. One deterministic module has affine ranking function (3 + ((long long) -2 * i)) and consists of 11 locations. One deterministic module has affine ranking function null and consists of 14 locations. One deterministic module has affine ranking function null and consists of 4 locations. 13 modules have a trivial ranking function, the largest among these consists of 30 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 34.1s and 21 iterations. TraceHistogramMax:4. Analysis of lassos took 28.6s. Construction of modules took 1.8s. Büchi inclusion checks took 3.5s. Highest rank in rank-based complementation 3. Minimization of det autom 7. Minimization of nondet autom 13. Automata minimization 0.1s AutomataMinimizationTime, 19 MinimizatonAttempts, 316 StatesRemovedByMinimization, 17 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 [7, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1208 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1207 mSDsluCounter, 1563 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1168 mSDsCounter, 303 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3878 IncrementalHoareTripleChecker+Invalid, 4181 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 303 mSolverCounterUnsat, 395 mSDtfsCounter, 3878 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU11 SILI0 SILT0 lasso7 LassoPreprocessingBenchmarks: Lassos: inital268 mio100 ax100 hnf100 lsp73 ukn69 mio100 lsp39 div171 bol100 ite100 ukn100 eq151 hnf94 smp64 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 18ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-13 17:07:29,733 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Ended with exit code 0 [2024-10-13 17:07:29,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (126)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:30,135 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (125)] Ended with exit code 0 [2024-10-13 17:07:30,336 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (110)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:30,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (109)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:30,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (108)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:30,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (86)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:31,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:31,337 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Ended with exit code 0 [2024-10-13 17:07:31,538 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-10-13 17:07:31,756 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-10-13 17:07:31,940 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