./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/avg10-2.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/avg10-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 431bc26901e3cf271c74e4f10a5bc241d4509dbbafd99aaf0126c46ffc8b7c33 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 17:06:01,075 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 17:06:01,129 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-13 17:06:01,133 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 17:06:01,134 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 17:06:01,158 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 17:06:01,158 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 17:06:01,159 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 17:06:01,159 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 17:06:01,162 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 17:06:01,163 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 17:06:01,163 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 17:06:01,163 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 17:06:01,163 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-13 17:06:01,164 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-13 17:06:01,164 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-13 17:06:01,164 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-13 17:06:01,164 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-13 17:06:01,165 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-13 17:06:01,165 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 17:06:01,165 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-13 17:06:01,167 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 17:06:01,167 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 17:06:01,167 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 17:06:01,168 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 17:06:01,168 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-13 17:06:01,168 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-13 17:06:01,168 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-13 17:06:01,168 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 17:06:01,169 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 17:06:01,169 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 17:06:01,169 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 17:06:01,170 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-13 17:06:01,170 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 17:06:01,170 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 17:06:01,170 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 17:06:01,171 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 17:06:01,171 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 17:06:01,171 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-13 17:06:01,171 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 431bc26901e3cf271c74e4f10a5bc241d4509dbbafd99aaf0126c46ffc8b7c33 [2024-10-13 17:06:01,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 17:06:01,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 17:06:01,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 17:06:01,436 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 17:06:01,437 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 17:06:01,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/avg10-2.i [2024-10-13 17:06:02,763 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 17:06:02,993 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 17:06:02,993 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/avg10-2.i [2024-10-13 17:06:03,008 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92959d083/27053995bb8a4c258ac3220cdad1cca0/FLAG5729ddbf1 [2024-10-13 17:06:03,312 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92959d083/27053995bb8a4c258ac3220cdad1cca0 [2024-10-13 17:06:03,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 17:06:03,315 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 17:06:03,316 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 17:06:03,316 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 17:06:03,320 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 17:06:03,320 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:06:03" (1/1) ... [2024-10-13 17:06:03,321 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dac7ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:03, skipping insertion in model container [2024-10-13 17:06:03,321 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:06:03" (1/1) ... [2024-10-13 17:06:03,335 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 17:06:03,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:06:03,491 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 17:06:03,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:06:03,520 INFO L204 MainTranslator]: Completed translation [2024-10-13 17:06:03,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:03 WrapperNode [2024-10-13 17:06:03,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 17:06:03,522 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 17:06:03,522 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 17:06:03,522 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 17:06:03,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:03" (1/1) ... [2024-10-13 17:06:03,532 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:03" (1/1) ... [2024-10-13 17:06:03,548 INFO L138 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 118 [2024-10-13 17:06:03,549 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 17:06:03,550 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 17:06:03,550 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 17:06:03,550 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 17:06:03,558 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:03" (1/1) ... [2024-10-13 17:06:03,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:03" (1/1) ... [2024-10-13 17:06:03,560 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:03" (1/1) ... [2024-10-13 17:06:03,574 INFO L175 MemorySlicer]: Split 14 memory accesses to 2 slices as follows [2, 12]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 5 writes are split as follows [0, 5]. [2024-10-13 17:06:03,574 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:03" (1/1) ... [2024-10-13 17:06:03,574 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:03" (1/1) ... [2024-10-13 17:06:03,578 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:03" (1/1) ... [2024-10-13 17:06:03,582 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:03" (1/1) ... [2024-10-13 17:06:03,583 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:03" (1/1) ... [2024-10-13 17:06:03,584 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:03" (1/1) ... [2024-10-13 17:06:03,586 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 17:06:03,586 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 17:06:03,587 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 17:06:03,587 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 17:06:03,587 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:03" (1/1) ... [2024-10-13 17:06:03,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:03,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:03,616 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 17:06:03,622 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 17:06:03,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 17:06:03,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 17:06:03,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 17:06:03,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 17:06:03,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 17:06:03,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 17:06:03,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 17:06:03,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 17:06:03,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 17:06:03,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 17:06:03,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 17:06:03,713 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 17:06:03,715 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 17:06:03,938 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-10-13 17:06:03,938 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 17:06:03,951 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 17:06:03,951 INFO L314 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-13 17:06:03,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:06:03 BoogieIcfgContainer [2024-10-13 17:06:03,951 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 17:06:03,952 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-13 17:06:03,954 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-13 17:06:03,957 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-13 17:06:03,958 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:06:03,958 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 05:06:03" (1/3) ... [2024-10-13 17:06:03,959 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ed2ef3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:06:03, skipping insertion in model container [2024-10-13 17:06:03,959 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:06:03,959 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:03" (2/3) ... [2024-10-13 17:06:03,959 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ed2ef3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:06:03, skipping insertion in model container [2024-10-13 17:06:03,959 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:06:03,959 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:06:03" (3/3) ... [2024-10-13 17:06:03,960 INFO L332 chiAutomizerObserver]: Analyzing ICFG avg10-2.i [2024-10-13 17:06:04,009 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-13 17:06:04,009 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-13 17:06:04,009 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-13 17:06:04,010 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-13 17:06:04,011 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-13 17:06:04,011 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-13 17:06:04,011 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-13 17:06:04,011 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-13 17:06:04,015 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:06:04,028 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2024-10-13 17:06:04,029 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:06:04,029 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:06:04,032 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-13 17:06:04,033 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-13 17:06:04,033 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-13 17:06:04,033 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:06:04,035 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2024-10-13 17:06:04,035 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:06:04,035 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:06:04,036 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-13 17:06:04,036 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-13 17:06:04,042 INFO L745 eck$LassoCheckResult]: Stem: 24#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~post4#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 14#L34-3true [2024-10-13 17:06:04,042 INFO L747 eck$LassoCheckResult]: Loop: 14#L34-3true assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 11#L34-2true main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 14#L34-3true [2024-10-13 17:06:04,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:04,048 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-13 17:06:04,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:04,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075558302] [2024-10-13 17:06:04,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:04,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:04,129 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:06:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:04,152 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:06:04,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:04,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2024-10-13 17:06:04,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:04,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252995300] [2024-10-13 17:06:04,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:04,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:04,169 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:06:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:04,179 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:06:04,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:04,181 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2024-10-13 17:06:04,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:04,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038100590] [2024-10-13 17:06:04,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:04,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:04,205 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:06:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:04,227 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:06:04,475 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 17:06:04,476 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 17:06:04,476 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 17:06:04,476 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 17:06:04,477 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 17:06:04,477 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:04,477 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 17:06:04,477 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 17:06:04,477 INFO L132 ssoRankerPreferences]: Filename of dumped script: avg10-2.i_Iteration1_Lasso [2024-10-13 17:06:04,478 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 17:06:04,478 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 17:06:04,494 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:04,504 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:04,508 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:04,511 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:04,529 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:04,532 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:04,535 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:04,537 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:04,539 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:04,543 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:04,546 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:04,550 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:04,552 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:04,555 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:04,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:04,560 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:04,563 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:04,566 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:04,900 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 17:06:04,903 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 17:06:04,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:04,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:04,906 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 17:06:04,908 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 17:06:04,909 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 17:06:04,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:04,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:06:04,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:04,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:04,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:04,933 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:06:04,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:06:04,939 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:04,957 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 17:06:04,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:04,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:04,961 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 17:06:04,964 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 17:06:04,968 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 17:06:04,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:04,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:06:04,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:04,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:04,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:04,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:06:04,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:06:04,988 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:05,000 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 17:06:05,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:05,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:05,004 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 17:06:05,008 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 17:06:05,009 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 17:06:05,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:05,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:06:05,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:05,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:05,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:05,024 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:06:05,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:06:05,031 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:05,045 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 17:06:05,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:05,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:05,050 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 17:06:05,055 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 17:06:05,055 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 17:06:05,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:05,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:05,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:05,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:05,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:06:05,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:06:05,091 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:05,110 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-13 17:06:05,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:05,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:05,112 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 17:06:05,116 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 17:06:05,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:06:05,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:05,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:05,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:05,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:05,133 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:06:05,133 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:06:05,140 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:05,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-10-13 17:06:05,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:05,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:05,157 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 17:06:05,169 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 17:06:05,170 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 17:06:05,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:05,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:06:05,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:05,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:05,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:05,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:06:05,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:06:05,187 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:05,199 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-13 17:06:05,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:05,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:05,204 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 17:06:05,205 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 17:06:05,206 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 17:06:05,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:05,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:06:05,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:05,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:05,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:05,217 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:06:05,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:06:05,219 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:05,236 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 17:06:05,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:05,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:05,238 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 17:06:05,240 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 17:06:05,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:06:05,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:05,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:06:05,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:05,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:05,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:05,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:06:05,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:06:05,258 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:05,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-13 17:06:05,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:05,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:05,275 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 17:06:05,276 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 17:06:05,276 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 17:06:05,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:05,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:06:05,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:05,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:05,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:05,288 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:06:05,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:06:05,289 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:05,300 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-10-13 17:06:05,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:05,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:05,302 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 17:06:05,303 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 17:06:05,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:06:05,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:05,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:06:05,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:05,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:05,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:05,315 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:06:05,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:06:05,319 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:05,330 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 17:06:05,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:05,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:05,332 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 17:06:05,333 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 17:06:05,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:06:05,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:05,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:06:05,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:05,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:05,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:05,345 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:06:05,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:06:05,346 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:05,356 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 17:06:05,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:05,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:05,358 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 17:06:05,359 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 17:06:05,360 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 17:06:05,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:05,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:06:05,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:05,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:05,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:05,370 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:06:05,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:06:05,374 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:05,386 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 17:06:05,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:05,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:05,389 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 17:06:05,390 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 17:06:05,391 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 17:06:05,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:05,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:06:05,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:05,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:05,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:05,402 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:06:05,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:06:05,408 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:05,419 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 17:06:05,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:05,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:05,421 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 17:06:05,428 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 17:06:05,429 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 17:06:05,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:05,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:06:05,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:05,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:05,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:05,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:06:05,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:06:05,444 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:05,455 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 17:06:05,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:05,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:05,459 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 17:06:05,463 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 17:06:05,464 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 17:06:05,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:05,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:06:05,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:05,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:05,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:05,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:06:05,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:06:05,480 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:05,491 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 17:06:05,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:05,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:05,495 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 17:06:05,498 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 17:06:05,500 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 17:06:05,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:05,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:06:05,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:05,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:05,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:05,509 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:06:05,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:06:05,511 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:05,523 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-10-13 17:06:05,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:05,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:05,526 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 17:06:05,527 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 17:06:05,528 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 17:06:05,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:05,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:06:05,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:05,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:05,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:05,539 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:06:05,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:06:05,543 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:05,558 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 17:06:05,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:05,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:05,560 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 17:06:05,562 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 17:06:05,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:06:05,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:05,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:06:05,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:05,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:05,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:05,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:06:05,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:06:05,575 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:05,587 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 17:06:05,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:05,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:05,592 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 17:06:05,594 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 17:06:05,594 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 17:06:05,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:05,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:05,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:05,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:05,607 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:06:05,607 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:06:05,610 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:05,625 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 17:06:05,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:05,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:05,627 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:06:05,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-13 17:06:05,629 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 17:06:05,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:05,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:05,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:05,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:05,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:06:05,642 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:06:05,648 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:05,659 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-10-13 17:06:05,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:05,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:05,661 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:06:05,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-13 17:06:05,663 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:06:05,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:05,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:05,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:05,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:05,676 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:06:05,676 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:06:05,680 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:05,694 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-10-13 17:06:05,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:05,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:05,702 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 17:06:05,707 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 17:06:05,707 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 17:06:05,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:05,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:05,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:05,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:05,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:06:05,725 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:06:05,731 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 17:06:05,747 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-10-13 17:06:05,748 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2024-10-13 17:06:05,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:05,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:05,754 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 17:06:05,755 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 17:06:05,759 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 17:06:05,772 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-13 17:06:05,772 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 17:06:05,773 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1, ULTIMATE.start_main_~i~1#1) = 19*v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1 - 8*ULTIMATE.start_main_~i~1#1 Supporting invariants [] [2024-10-13 17:06:05,787 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-10-13 17:06:05,807 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2024-10-13 17:06:05,815 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-13 17:06:05,815 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-13 17:06:05,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:06:05,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 17:06:05,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:06:05,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:06:05,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 17:06:05,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:06:05,873 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 17:06:05,927 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 17:06:05,933 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 27 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:06:05,973 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-10-13 17:06:06,032 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 27 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 52 states and 75 transitions. Complement of second has 6 states. [2024-10-13 17:06:06,034 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 17:06:06,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:06:06,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 37 transitions. [2024-10-13 17:06:06,039 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 37 transitions. Stem has 2 letters. Loop has 2 letters. [2024-10-13 17:06:06,039 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:06:06,040 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 37 transitions. Stem has 4 letters. Loop has 2 letters. [2024-10-13 17:06:06,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:06:06,040 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 37 transitions. Stem has 2 letters. Loop has 4 letters. [2024-10-13 17:06:06,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:06:06,040 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 75 transitions. [2024-10-13 17:06:06,043 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2024-10-13 17:06:06,045 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 19 states and 27 transitions. [2024-10-13 17:06:06,046 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2024-10-13 17:06:06,046 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-10-13 17:06:06,046 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 27 transitions. [2024-10-13 17:06:06,047 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:06:06,047 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 27 transitions. [2024-10-13 17:06:06,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 27 transitions. [2024-10-13 17:06:06,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-10-13 17:06:06,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:06:06,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 27 transitions. [2024-10-13 17:06:06,072 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 27 transitions. [2024-10-13 17:06:06,072 INFO L425 stractBuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2024-10-13 17:06:06,072 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-13 17:06:06,072 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 27 transitions. [2024-10-13 17:06:06,072 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2024-10-13 17:06:06,073 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:06:06,073 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:06:06,073 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-13 17:06:06,073 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-13 17:06:06,073 INFO L745 eck$LassoCheckResult]: Stem: 149#$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(10, 2); 141#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~post4#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_~i~2#1, main_#t~ret12#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;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 142#L34-3 assume !(main_~i~1#1 < 10); 133#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 134#L20-3 [2024-10-13 17:06:06,073 INFO L747 eck$LassoCheckResult]: Loop: 134#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 148#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 134#L20-3 [2024-10-13 17:06:06,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:06,074 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2024-10-13 17:06:06,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:06,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594210446] [2024-10-13 17:06:06,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:06,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:06:06,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:06:06,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:06:06,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594210446] [2024-10-13 17:06:06,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594210446] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:06:06,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:06:06,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 17:06:06,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640400121] [2024-10-13 17:06:06,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:06:06,131 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-13 17:06:06,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:06,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 1 times [2024-10-13 17:06:06,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:06,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293700435] [2024-10-13 17:06:06,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:06,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:06,136 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:06:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:06,140 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:06:06,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:06:06,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 17:06:06,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 17:06:06,185 INFO L87 Difference]: Start difference. First operand 19 states and 27 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:06:06,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:06:06,194 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2024-10-13 17:06:06,194 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 24 transitions. [2024-10-13 17:06:06,195 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2024-10-13 17:06:06,195 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 24 transitions. [2024-10-13 17:06:06,195 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-10-13 17:06:06,195 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-10-13 17:06:06,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 24 transitions. [2024-10-13 17:06:06,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:06:06,196 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 24 transitions. [2024-10-13 17:06:06,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 24 transitions. [2024-10-13 17:06:06,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2024-10-13 17:06:06,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 18 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:06:06,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2024-10-13 17:06:06,197 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 23 transitions. [2024-10-13 17:06:06,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 17:06:06,198 INFO L425 stractBuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2024-10-13 17:06:06,198 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-13 17:06:06,198 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 23 transitions. [2024-10-13 17:06:06,199 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2024-10-13 17:06:06,199 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:06:06,199 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:06:06,199 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-13 17:06:06,199 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-13 17:06:06,199 INFO L745 eck$LassoCheckResult]: Stem: 194#$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(10, 2); 186#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~post4#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_~i~2#1, main_#t~ret12#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;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 187#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 190#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 191#L34-3 assume !(main_~i~1#1 < 10); 178#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 179#L20-3 [2024-10-13 17:06:06,199 INFO L747 eck$LassoCheckResult]: Loop: 179#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 193#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 179#L20-3 [2024-10-13 17:06:06,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:06,199 INFO L85 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2024-10-13 17:06:06,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:06,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738337187] [2024-10-13 17:06:06,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:06,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:06:06,242 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 17:06:06,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:06:06,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738337187] [2024-10-13 17:06:06,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738337187] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 17:06:06,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061336693] [2024-10-13 17:06:06,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:06,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 17:06:06,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:06,245 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 17:06:06,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-13 17:06:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:06:06,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 17:06:06,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:06:06,302 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 17:06:06,302 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 17:06:06,320 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 17:06:06,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061336693] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 17:06:06,321 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 17:06:06,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-13 17:06:06,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989773455] [2024-10-13 17:06:06,321 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 17:06:06,321 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-13 17:06:06,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:06,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 2 times [2024-10-13 17:06:06,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:06,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788694822] [2024-10-13 17:06:06,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:06,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:06,326 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:06:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:06,330 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:06:06,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:06:06,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 17:06:06,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-13 17:06:06,380 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 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 17:06:06,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:06:06,404 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2024-10-13 17:06:06,404 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 29 transitions. [2024-10-13 17:06:06,406 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2024-10-13 17:06:06,406 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 25 states and 29 transitions. [2024-10-13 17:06:06,406 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-10-13 17:06:06,407 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-10-13 17:06:06,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 29 transitions. [2024-10-13 17:06:06,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:06:06,407 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 29 transitions. [2024-10-13 17:06:06,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 29 transitions. [2024-10-13 17:06:06,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-10-13 17:06:06,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.16) internal successors, (29), 24 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 17:06:06,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2024-10-13 17:06:06,411 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 29 transitions. [2024-10-13 17:06:06,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 17:06:06,411 INFO L425 stractBuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2024-10-13 17:06:06,411 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-13 17:06:06,411 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 29 transitions. [2024-10-13 17:06:06,412 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2024-10-13 17:06:06,412 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:06:06,412 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:06:06,413 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2024-10-13 17:06:06,413 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-13 17:06:06,413 INFO L745 eck$LassoCheckResult]: Stem: 278#$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(10, 2); 270#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~post4#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_~i~2#1, main_#t~ret12#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;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 271#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 274#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 275#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 279#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 284#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 283#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 282#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 281#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 280#L34-3 assume !(main_~i~1#1 < 10); 262#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 263#L20-3 [2024-10-13 17:06:06,413 INFO L747 eck$LassoCheckResult]: Loop: 263#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 277#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 263#L20-3 [2024-10-13 17:06:06,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:06,414 INFO L85 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 2 times [2024-10-13 17:06:06,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:06,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393394797] [2024-10-13 17:06:06,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:06,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:06:06,536 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:06:06,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:06:06,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393394797] [2024-10-13 17:06:06,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393394797] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 17:06:06,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496536461] [2024-10-13 17:06:06,536 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 17:06:06,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 17:06:06,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:06,538 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 17:06:06,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-13 17:06:06,591 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 17:06:06,592 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 17:06:06,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 17:06:06,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:06:06,622 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:06:06,622 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 17:06:06,677 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:06:06,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [496536461] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 17:06:06,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 17:06:06,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-10-13 17:06:06,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938235365] [2024-10-13 17:06:06,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 17:06:06,682 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-13 17:06:06,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:06,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 3 times [2024-10-13 17:06:06,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:06,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674658124] [2024-10-13 17:06:06,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:06,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:06,686 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:06:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:06,692 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:06:06,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:06:06,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 17:06:06,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-10-13 17:06:06,737 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. cyclomatic complexity: 9 Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 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 17:06:06,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:06:06,788 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2024-10-13 17:06:06,788 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 41 transitions. [2024-10-13 17:06:06,789 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2024-10-13 17:06:06,789 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 37 states and 41 transitions. [2024-10-13 17:06:06,789 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-10-13 17:06:06,790 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-10-13 17:06:06,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 41 transitions. [2024-10-13 17:06:06,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:06:06,790 INFO L218 hiAutomatonCegarLoop]: Abstraction has 37 states and 41 transitions. [2024-10-13 17:06:06,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 41 transitions. [2024-10-13 17:06:06,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-10-13 17:06:06,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 36 states have internal predecessors, (41), 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 17:06:06,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2024-10-13 17:06:06,791 INFO L240 hiAutomatonCegarLoop]: Abstraction has 37 states and 41 transitions. [2024-10-13 17:06:06,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 17:06:06,792 INFO L425 stractBuchiCegarLoop]: Abstraction has 37 states and 41 transitions. [2024-10-13 17:06:06,793 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-13 17:06:06,793 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 41 transitions. [2024-10-13 17:06:06,793 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2024-10-13 17:06:06,793 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:06:06,793 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:06:06,794 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1] [2024-10-13 17:06:06,794 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-13 17:06:06,794 INFO L745 eck$LassoCheckResult]: Stem: 422#$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(10, 2); 414#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~post4#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_~i~2#1, main_#t~ret12#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;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 415#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 423#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 424#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 418#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 419#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 440#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 439#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 438#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 437#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 436#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 435#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 434#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 433#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 432#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 431#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 430#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 429#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 428#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 427#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 426#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 425#L34-3 assume !(main_~i~1#1 < 10); 406#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 407#L20-3 [2024-10-13 17:06:06,794 INFO L747 eck$LassoCheckResult]: Loop: 407#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 421#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 407#L20-3 [2024-10-13 17:06:06,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:06,794 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272351, now seen corresponding path program 3 times [2024-10-13 17:06:06,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:06,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976498676] [2024-10-13 17:06:06,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:06,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:06,818 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:06:06,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:06,844 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:06:06,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:06,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 4 times [2024-10-13 17:06:06,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:06,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621502523] [2024-10-13 17:06:06,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:06,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:06,852 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:06:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:06,856 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:06:06,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:06,858 INFO L85 PathProgramCache]: Analyzing trace with hash -95702815, now seen corresponding path program 1 times [2024-10-13 17:06:06,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:06,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587534017] [2024-10-13 17:06:06,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:06,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:06,888 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:06:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:06,910 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:06:10,180 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 17:06:10,180 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 17:06:10,180 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 17:06:10,180 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 17:06:10,180 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 17:06:10,181 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:10,181 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 17:06:10,181 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 17:06:10,181 INFO L132 ssoRankerPreferences]: Filename of dumped script: avg10-2.i_Iteration5_Lasso [2024-10-13 17:06:10,181 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 17:06:10,181 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 17:06:10,185 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:10,191 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:10,196 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:10,198 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:10,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:10,205 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:10,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:10,474 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:10,476 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:10,478 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:10,479 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:10,480 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:10,486 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:10,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:10,489 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:10,490 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:10,497 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:10,505 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:10,507 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:10,509 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:10,511 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:10,513 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:06:10,703 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 17:06:10,703 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 17:06:10,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:10,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:10,706 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 17:06:10,707 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 17:06:10,711 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 17:06:10,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:10,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:06:10,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:10,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:10,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:10,723 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:06:10,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:06:10,724 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:10,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-10-13 17:06:10,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:10,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:10,736 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 17:06:10,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:06:10,737 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 17:06:10,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:10,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:06:10,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:10,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:10,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:10,748 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:06:10,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:06:10,749 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:10,759 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 17:06:10,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:10,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:10,761 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 17:06:10,762 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 17:06:10,765 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 17:06:10,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:10,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:06:10,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:10,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:10,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:10,781 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:06:10,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:06:10,782 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:10,794 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 17:06:10,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:10,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:10,795 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 17:06:10,797 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 17:06:10,798 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 17:06:10,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:10,808 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:06:10,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:10,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:10,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:10,809 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:06:10,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:06:10,810 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:10,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-10-13 17:06:10,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:10,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:10,822 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 17:06:10,823 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 17:06:10,824 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 17:06:10,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:10,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:06:10,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:10,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:10,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:10,835 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:06:10,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:06:10,836 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:10,846 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-10-13 17:06:10,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:10,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:10,849 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 17:06:10,849 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 17:06:10,850 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 17:06:10,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:10,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:10,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:10,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:10,868 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:06:10,868 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:06:10,875 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:06:10,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-10-13 17:06:10,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:10,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:10,898 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 17:06:10,899 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 17:06:10,900 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 17:06:10,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:06:10,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:06:10,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:06:10,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:06:10,916 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:06:10,916 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:06:10,923 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 17:06:10,936 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2024-10-13 17:06:10,936 INFO L444 ModelExtractionUtils]: 1 out of 19 variables were initially zero. Simplification set additionally 15 variables to zero. [2024-10-13 17:06:10,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:06:10,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:10,938 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 17:06:10,939 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 17:06:10,940 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 17:06:10,951 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-13 17:06:10,952 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 17:06:10,952 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_avg_~i~0#1) = -2*ULTIMATE.start_avg_~i~0#1 + 19 Supporting invariants [] [2024-10-13 17:06:10,964 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-10-13 17:06:10,980 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2024-10-13 17:06:10,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:06:11,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 17:06:11,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:06:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:06:11,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 17:06:11,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:06:11,058 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 17:06:11,059 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 17:06:11,059 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 41 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:06:11,074 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 41 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 45 transitions. Complement of second has 5 states. [2024-10-13 17:06:11,074 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 17:06:11,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:06:11,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2024-10-13 17:06:11,075 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 24 letters. Loop has 2 letters. [2024-10-13 17:06:11,076 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:06:11,076 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 26 letters. Loop has 2 letters. [2024-10-13 17:06:11,076 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:06:11,076 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 24 letters. Loop has 4 letters. [2024-10-13 17:06:11,076 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:06:11,076 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 45 transitions. [2024-10-13 17:06:11,077 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2024-10-13 17:06:11,077 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 38 states and 43 transitions. [2024-10-13 17:06:11,077 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-10-13 17:06:11,077 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2024-10-13 17:06:11,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 43 transitions. [2024-10-13 17:06:11,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:06:11,078 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 43 transitions. [2024-10-13 17:06:11,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 43 transitions. [2024-10-13 17:06:11,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-10-13 17:06:11,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.131578947368421) internal successors, (43), 37 states have internal predecessors, (43), 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 17:06:11,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2024-10-13 17:06:11,080 INFO L240 hiAutomatonCegarLoop]: Abstraction has 38 states and 43 transitions. [2024-10-13 17:06:11,080 INFO L425 stractBuchiCegarLoop]: Abstraction has 38 states and 43 transitions. [2024-10-13 17:06:11,080 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-13 17:06:11,080 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 43 transitions. [2024-10-13 17:06:11,080 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2024-10-13 17:06:11,080 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:06:11,080 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:06:11,081 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:06:11,081 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-13 17:06:11,081 INFO L745 eck$LassoCheckResult]: Stem: 629#$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(10, 2); 620#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~post4#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_~i~2#1, main_#t~ret12#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;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 621#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 630#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 631#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 624#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 625#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 647#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 646#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 645#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 644#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 643#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 642#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 641#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 640#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 639#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 638#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 637#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 636#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 635#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 634#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 633#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 632#L34-3 assume !(main_~i~1#1 < 10); 612#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 613#L20-3 assume !(avg_~i~0#1 < 10); 622#L20-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 - 4294967296); 623#avg_returnLabel#1 main_#t~ret5#1 := avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;havoc avg_#in~x#1.base, avg_#in~x#1.offset;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 618#L20-8 [2024-10-13 17:06:11,082 INFO L747 eck$LassoCheckResult]: Loop: 618#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 619#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 618#L20-8 [2024-10-13 17:06:11,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:11,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1328178265, now seen corresponding path program 1 times [2024-10-13 17:06:11,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:11,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314233775] [2024-10-13 17:06:11,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:11,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:06:11,187 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-10-13 17:06:11,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:06:11,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314233775] [2024-10-13 17:06:11,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314233775] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:06:11,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:06:11,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 17:06:11,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027194527] [2024-10-13 17:06:11,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:06:11,188 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-13 17:06:11,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:11,188 INFO L85 PathProgramCache]: Analyzing trace with hash 2243, now seen corresponding path program 1 times [2024-10-13 17:06:11,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:11,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502309818] [2024-10-13 17:06:11,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:11,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:11,191 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:06:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:11,193 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-10-13 17:06:11,195 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:06:11,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:06:11,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 17:06:11,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 17:06:11,232 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 17:06:11,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:06:11,248 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2024-10-13 17:06:11,248 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 47 transitions. [2024-10-13 17:06:11,249 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2024-10-13 17:06:11,249 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 43 states and 47 transitions. [2024-10-13 17:06:11,249 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2024-10-13 17:06:11,249 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2024-10-13 17:06:11,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 47 transitions. [2024-10-13 17:06:11,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:06:11,249 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 47 transitions. [2024-10-13 17:06:11,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 47 transitions. [2024-10-13 17:06:11,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39. [2024-10-13 17:06:11,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 38 states have internal predecessors, (43), 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 17:06:11,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2024-10-13 17:06:11,251 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 43 transitions. [2024-10-13 17:06:11,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 17:06:11,252 INFO L425 stractBuchiCegarLoop]: Abstraction has 39 states and 43 transitions. [2024-10-13 17:06:11,252 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-10-13 17:06:11,252 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 43 transitions. [2024-10-13 17:06:11,253 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2024-10-13 17:06:11,253 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:06:11,253 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:06:11,253 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:06:11,253 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-13 17:06:11,253 INFO L745 eck$LassoCheckResult]: Stem: 716#$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(10, 2); 707#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~post4#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_~i~2#1, main_#t~ret12#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;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 708#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 711#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 712#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 718#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 735#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 734#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 733#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 732#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 731#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 730#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 729#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 728#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 727#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 726#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 725#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 724#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 723#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 722#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 721#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 720#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 719#L34-3 assume !(main_~i~1#1 < 10); 699#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 700#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 714#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 715#L20-3 assume !(avg_~i~0#1 < 10); 709#L20-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 - 4294967296); 710#avg_returnLabel#1 main_#t~ret5#1 := avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;havoc avg_#in~x#1.base, avg_#in~x#1.offset;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 705#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 706#L20-7 [2024-10-13 17:06:11,254 INFO L747 eck$LassoCheckResult]: Loop: 706#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 717#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 706#L20-7 [2024-10-13 17:06:11,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:11,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1721709263, now seen corresponding path program 1 times [2024-10-13 17:06:11,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:11,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30114805] [2024-10-13 17:06:11,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:11,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:06:11,305 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-10-13 17:06:11,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:06:11,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30114805] [2024-10-13 17:06:11,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30114805] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 17:06:11,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691135501] [2024-10-13 17:06:11,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:11,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 17:06:11,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:11,307 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 17:06:11,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-10-13 17:06:11,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:06:11,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 17:06:11,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:06:11,387 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-10-13 17:06:11,387 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 17:06:11,398 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-10-13 17:06:11,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [691135501] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 17:06:11,398 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 17:06:11,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-13 17:06:11,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160730792] [2024-10-13 17:06:11,398 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 17:06:11,399 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-13 17:06:11,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:11,399 INFO L85 PathProgramCache]: Analyzing trace with hash 2303, now seen corresponding path program 2 times [2024-10-13 17:06:11,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:11,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625086908] [2024-10-13 17:06:11,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:11,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:11,402 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:06:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:11,403 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:06:11,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:06:11,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 17:06:11,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-13 17:06:11,435 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 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 17:06:11,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:06:11,485 INFO L93 Difference]: Finished difference Result 58 states and 62 transitions. [2024-10-13 17:06:11,485 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 62 transitions. [2024-10-13 17:06:11,485 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2024-10-13 17:06:11,486 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 58 states and 62 transitions. [2024-10-13 17:06:11,486 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2024-10-13 17:06:11,486 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2024-10-13 17:06:11,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 62 transitions. [2024-10-13 17:06:11,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:06:11,486 INFO L218 hiAutomatonCegarLoop]: Abstraction has 58 states and 62 transitions. [2024-10-13 17:06:11,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states and 62 transitions. [2024-10-13 17:06:11,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 51. [2024-10-13 17:06:11,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 51 states have (on average 1.0784313725490196) internal successors, (55), 50 states have internal predecessors, (55), 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 17:06:11,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2024-10-13 17:06:11,488 INFO L240 hiAutomatonCegarLoop]: Abstraction has 51 states and 55 transitions. [2024-10-13 17:06:11,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 17:06:11,489 INFO L425 stractBuchiCegarLoop]: Abstraction has 51 states and 55 transitions. [2024-10-13 17:06:11,489 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-10-13 17:06:11,489 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51 states and 55 transitions. [2024-10-13 17:06:11,489 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2024-10-13 17:06:11,490 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:06:11,490 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:06:11,490 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:06:11,490 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-13 17:06:11,491 INFO L745 eck$LassoCheckResult]: Stem: 998#$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(10, 2); 988#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~post4#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_~i~2#1, main_#t~ret12#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;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 989#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1000#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1001#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 992#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 993#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1023#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1022#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1021#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1020#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1019#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1018#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1017#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1016#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1015#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1013#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1011#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1009#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1007#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1006#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1005#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1004#L34-3 assume !(main_~i~1#1 < 10); 980#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 981#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 995#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 996#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 997#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1028#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1027#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1026#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1025#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1024#L20-3 assume !(avg_~i~0#1 < 10); 990#L20-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 - 4294967296); 991#avg_returnLabel#1 main_#t~ret5#1 := avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;havoc avg_#in~x#1.base, avg_#in~x#1.offset;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 986#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 987#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 999#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1014#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1012#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1010#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1008#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1003#L20-7 [2024-10-13 17:06:11,491 INFO L747 eck$LassoCheckResult]: Loop: 1003#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1002#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1003#L20-7 [2024-10-13 17:06:11,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:11,491 INFO L85 PathProgramCache]: Analyzing trace with hash 512696561, now seen corresponding path program 1 times [2024-10-13 17:06:11,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:11,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139858966] [2024-10-13 17:06:11,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:11,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:06:11,582 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-10-13 17:06:11,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:06:11,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139858966] [2024-10-13 17:06:11,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139858966] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 17:06:11,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903799497] [2024-10-13 17:06:11,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:11,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 17:06:11,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:11,584 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 17:06:11,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-10-13 17:06:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:06:11,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 17:06:11,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:06:11,686 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-10-13 17:06:11,686 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 17:06:11,735 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-10-13 17:06:11,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903799497] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 17:06:11,736 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 17:06:11,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-10-13 17:06:11,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606176514] [2024-10-13 17:06:11,736 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 17:06:11,736 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-13 17:06:11,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:11,737 INFO L85 PathProgramCache]: Analyzing trace with hash 2303, now seen corresponding path program 3 times [2024-10-13 17:06:11,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:11,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532905628] [2024-10-13 17:06:11,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:11,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:11,740 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:06:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:11,742 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:06:11,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:06:11,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 17:06:11,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-10-13 17:06:11,797 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. cyclomatic complexity: 9 Second operand has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 13 states have internal predecessors, (32), 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 17:06:11,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:06:11,943 INFO L93 Difference]: Finished difference Result 94 states and 98 transitions. [2024-10-13 17:06:11,943 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 94 states and 98 transitions. [2024-10-13 17:06:11,944 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2024-10-13 17:06:11,945 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 94 states to 94 states and 98 transitions. [2024-10-13 17:06:11,945 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 54 [2024-10-13 17:06:11,945 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 54 [2024-10-13 17:06:11,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 94 states and 98 transitions. [2024-10-13 17:06:11,945 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:06:11,945 INFO L218 hiAutomatonCegarLoop]: Abstraction has 94 states and 98 transitions. [2024-10-13 17:06:11,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states and 98 transitions. [2024-10-13 17:06:11,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 75. [2024-10-13 17:06:11,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 75 states have (on average 1.0533333333333332) internal successors, (79), 74 states have internal predecessors, (79), 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 17:06:11,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 79 transitions. [2024-10-13 17:06:11,948 INFO L240 hiAutomatonCegarLoop]: Abstraction has 75 states and 79 transitions. [2024-10-13 17:06:11,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 17:06:11,953 INFO L425 stractBuchiCegarLoop]: Abstraction has 75 states and 79 transitions. [2024-10-13 17:06:11,953 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-10-13 17:06:11,953 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 75 states and 79 transitions. [2024-10-13 17:06:11,954 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2024-10-13 17:06:11,954 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:06:11,954 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:06:11,955 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 10, 10, 10, 9, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:06:11,955 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-13 17:06:11,956 INFO L745 eck$LassoCheckResult]: Stem: 1405#$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(10, 2); 1395#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~post4#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_~i~2#1, main_#t~ret12#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;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1396#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1399#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1400#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1407#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1439#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1437#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1435#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1433#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1431#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1429#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1427#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1425#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1423#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1421#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1419#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1417#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1415#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1413#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1412#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1411#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1410#L34-3 assume !(main_~i~1#1 < 10); 1387#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 1388#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1402#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1403#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1404#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1459#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1458#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1457#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1456#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1455#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1454#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1453#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1452#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1451#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1450#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1449#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1448#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1447#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1446#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1445#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1444#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1443#L20-3 assume !(avg_~i~0#1 < 10); 1397#L20-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 - 4294967296); 1398#avg_returnLabel#1 main_#t~ret5#1 := avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;havoc avg_#in~x#1.base, avg_#in~x#1.offset;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 1393#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1394#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1406#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1442#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1441#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1440#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1438#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1436#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1434#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1432#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1430#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1428#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1426#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1424#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1422#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1420#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1418#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1416#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1414#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1409#L20-7 [2024-10-13 17:06:11,956 INFO L747 eck$LassoCheckResult]: Loop: 1409#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1408#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1409#L20-7 [2024-10-13 17:06:11,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:11,957 INFO L85 PathProgramCache]: Analyzing trace with hash -549950095, now seen corresponding path program 2 times [2024-10-13 17:06:11,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:11,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633029786] [2024-10-13 17:06:11,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:11,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:12,101 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:06:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:12,223 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:06:12,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:12,224 INFO L85 PathProgramCache]: Analyzing trace with hash 2303, now seen corresponding path program 4 times [2024-10-13 17:06:12,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:12,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719155471] [2024-10-13 17:06:12,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:12,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:12,227 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:06:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:12,229 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:06:12,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:12,230 INFO L85 PathProgramCache]: Analyzing trace with hash -221062545, now seen corresponding path program 3 times [2024-10-13 17:06:12,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:12,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989059114] [2024-10-13 17:06:12,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:12,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:06:12,469 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 81 proven. 19 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-10-13 17:06:12,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:06:12,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989059114] [2024-10-13 17:06:12,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989059114] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 17:06:12,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064220633] [2024-10-13 17:06:12,470 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 17:06:12,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 17:06:12,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:06:12,475 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 17:06:12,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-10-13 17:06:12,658 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-10-13 17:06:12,659 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 17:06:12,661 INFO L255 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-13 17:06:12,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:06:12,694 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-10-13 17:06:12,694 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 17:06:12,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064220633] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:06:12,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 17:06:12,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [12] total 13 [2024-10-13 17:06:12,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536922670] [2024-10-13 17:06:12,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:06:12,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:06:12,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 17:06:12,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=101, Unknown=0, NotChecked=0, Total=182 [2024-10-13 17:06:12,725 INFO L87 Difference]: Start difference. First operand 75 states and 79 transitions. cyclomatic complexity: 9 Second operand has 13 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 13 states have internal predecessors, (32), 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 17:06:12,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:06:12,855 INFO L93 Difference]: Finished difference Result 94 states and 95 transitions. [2024-10-13 17:06:12,855 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 94 states and 95 transitions. [2024-10-13 17:06:12,855 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-13 17:06:12,856 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 94 states to 72 states and 73 transitions. [2024-10-13 17:06:12,856 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2024-10-13 17:06:12,856 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2024-10-13 17:06:12,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 72 states and 73 transitions. [2024-10-13 17:06:12,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:06:12,857 INFO L218 hiAutomatonCegarLoop]: Abstraction has 72 states and 73 transitions. [2024-10-13 17:06:12,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states and 73 transitions. [2024-10-13 17:06:12,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-10-13 17:06:12,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 72 states have (on average 1.0138888888888888) internal successors, (73), 71 states have internal predecessors, (73), 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 17:06:12,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 73 transitions. [2024-10-13 17:06:12,859 INFO L240 hiAutomatonCegarLoop]: Abstraction has 72 states and 73 transitions. [2024-10-13 17:06:12,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-13 17:06:12,860 INFO L425 stractBuchiCegarLoop]: Abstraction has 72 states and 73 transitions. [2024-10-13 17:06:12,860 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-10-13 17:06:12,860 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 73 transitions. [2024-10-13 17:06:12,860 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-13 17:06:12,860 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:06:12,860 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:06:12,861 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:06:12,861 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-13 17:06:12,861 INFO L745 eck$LassoCheckResult]: Stem: 1791#$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(10, 2); 1782#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~post4#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_~i~2#1, main_#t~ret12#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;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1783#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1786#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1787#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1793#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1828#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1826#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1824#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1822#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1820#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1818#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1816#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1814#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1812#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1810#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1808#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1806#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1804#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1802#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1800#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1796#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1795#L34-3 assume !(main_~i~1#1 < 10); 1776#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 1777#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1790#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1788#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1789#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1845#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1844#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1843#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1842#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1841#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1840#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1839#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1838#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1837#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1836#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1835#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1834#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1833#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1832#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1831#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1830#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1829#L20-3 assume !(avg_~i~0#1 < 10); 1784#L20-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 - 4294967296); 1785#avg_returnLabel#1 main_#t~ret5#1 := avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;havoc avg_#in~x#1.base, avg_#in~x#1.offset;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 1780#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1781#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1792#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1827#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1825#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1823#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1821#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1819#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1817#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1815#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1813#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1811#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1809#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1807#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1805#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1803#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1801#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1799#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1798#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1797#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1794#L20-8 assume !(avg_~i~0#1 < 10); 1774#L20-9 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 - 4294967296); 1775#avg_returnLabel#2 main_#t~ret8#1 := avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;havoc avg_#in~x#1.base, avg_#in~x#1.offset;assume { :end_inline_avg } true;main_~ret2~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1;call main_#t~mem9#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem9#1;havoc main_#t~mem9#1;main_~i~2#1 := 0; 1779#L43-3 [2024-10-13 17:06:12,862 INFO L747 eck$LassoCheckResult]: Loop: 1779#L43-3 assume !!(main_~i~2#1 < 9);call main_#t~mem10#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~2#1), 4);call write~int#1(main_#t~mem10#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~2#1, 4);havoc main_#t~mem10#1; 1778#L43-2 main_#t~post11#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 1779#L43-3 [2024-10-13 17:06:12,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:12,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1987708689, now seen corresponding path program 1 times [2024-10-13 17:06:12,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:12,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948244788] [2024-10-13 17:06:12,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:12,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:12,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:12,951 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:06:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:13,040 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:06:13,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:13,041 INFO L85 PathProgramCache]: Analyzing trace with hash 2755, now seen corresponding path program 1 times [2024-10-13 17:06:13,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:13,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85198155] [2024-10-13 17:06:13,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:13,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:13,046 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:06:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:13,050 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:06:13,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:06:13,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1072398385, now seen corresponding path program 1 times [2024-10-13 17:06:13,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:06:13,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883007714] [2024-10-13 17:06:13,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:06:13,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:06:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:13,100 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:06:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:06:13,144 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:06:28,442 WARN L286 SmtUtils]: Spent 15.24s on a formula simplification. DAG size of input: 551 DAG size of output: 413 (called from [L 275] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)