./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/java_Sequence-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/java_Sequence-alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --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 64bit --witnessprinter.graph.data.programhash d628f3524885345eb9e2318f2d0dbb026e233c3bcc51319b2ad8fc1a71d35580 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 01:39:39,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 01:39:39,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 01:39:39,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 01:39:39,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 01:39:39,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 01:39:39,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 01:39:39,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 01:39:39,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 01:39:39,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 01:39:39,451 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 01:39:39,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 01:39:39,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 01:39:39,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 01:39:39,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 01:39:39,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 01:39:39,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 01:39:39,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 01:39:39,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 01:39:39,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 01:39:39,474 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 01:39:39,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 01:39:39,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 01:39:39,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 01:39:39,479 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 01:39:39,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 01:39:39,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 01:39:39,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 01:39:39,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 01:39:39,488 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 01:39:39,489 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 01:39:39,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 01:39:39,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 01:39:39,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 01:39:39,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 01:39:39,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 01:39:39,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 01:39:39,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 01:39:39,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 01:39:39,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 01:39:39,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 01:39:39,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 01:39:39,506 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-22 01:39:39,540 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 01:39:39,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 01:39:39,541 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 01:39:39,541 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 01:39:39,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 01:39:39,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 01:39:39,543 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 01:39:39,543 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 01:39:39,543 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 01:39:39,544 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 01:39:39,545 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 01:39:39,545 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 01:39:39,545 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 01:39:39,545 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 01:39:39,546 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 01:39:39,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 01:39:39,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 01:39:39,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 01:39:39,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 01:39:39,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 01:39:39,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 01:39:39,547 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 01:39:39,547 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 01:39:39,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 01:39:39,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 01:39:39,548 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 01:39:39,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 01:39:39,549 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 01:39:39,551 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 01:39:39,551 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d628f3524885345eb9e2318f2d0dbb026e233c3bcc51319b2ad8fc1a71d35580 [2022-07-22 01:39:39,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 01:39:39,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 01:39:39,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 01:39:39,916 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 01:39:39,918 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 01:39:39,920 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/java_Sequence-alloca.i [2022-07-22 01:39:39,990 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9de0536ce/47fc857eb11e4b8ea1f89dcdf38a1577/FLAG73789b6f3 [2022-07-22 01:39:40,468 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 01:39:40,469 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/java_Sequence-alloca.i [2022-07-22 01:39:40,484 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9de0536ce/47fc857eb11e4b8ea1f89dcdf38a1577/FLAG73789b6f3 [2022-07-22 01:39:40,839 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9de0536ce/47fc857eb11e4b8ea1f89dcdf38a1577 [2022-07-22 01:39:40,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 01:39:40,842 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 01:39:40,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 01:39:40,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 01:39:40,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 01:39:40,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:39:40" (1/1) ... [2022-07-22 01:39:40,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6070d32b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:40, skipping insertion in model container [2022-07-22 01:39:40,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:39:40" (1/1) ... [2022-07-22 01:39:40,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 01:39:40,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 01:39:41,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 01:39:41,155 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 01:39:41,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 01:39:41,215 INFO L208 MainTranslator]: Completed translation [2022-07-22 01:39:41,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:41 WrapperNode [2022-07-22 01:39:41,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 01:39:41,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 01:39:41,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 01:39:41,218 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 01:39:41,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:41" (1/1) ... [2022-07-22 01:39:41,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:41" (1/1) ... [2022-07-22 01:39:41,260 INFO L137 Inliner]: procedures = 109, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 58 [2022-07-22 01:39:41,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 01:39:41,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 01:39:41,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 01:39:41,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 01:39:41,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:41" (1/1) ... [2022-07-22 01:39:41,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:41" (1/1) ... [2022-07-22 01:39:41,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:41" (1/1) ... [2022-07-22 01:39:41,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:41" (1/1) ... [2022-07-22 01:39:41,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:41" (1/1) ... [2022-07-22 01:39:41,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:41" (1/1) ... [2022-07-22 01:39:41,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:41" (1/1) ... [2022-07-22 01:39:41,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 01:39:41,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 01:39:41,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 01:39:41,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 01:39:41,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:41" (1/1) ... [2022-07-22 01:39:41,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:41,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:41,325 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) [2022-07-22 01:39:41,327 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 [2022-07-22 01:39:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 01:39:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 01:39:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 01:39:41,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 01:39:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 01:39:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 01:39:41,488 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 01:39:41,504 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 01:39:41,673 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 01:39:41,680 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 01:39:41,681 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 01:39:41,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:39:41 BoogieIcfgContainer [2022-07-22 01:39:41,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 01:39:41,684 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 01:39:41,685 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 01:39:41,687 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 01:39:41,688 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 01:39:41,688 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 01:39:40" (1/3) ... [2022-07-22 01:39:41,689 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7347b626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 01:39:41, skipping insertion in model container [2022-07-22 01:39:41,689 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 01:39:41,690 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:41" (2/3) ... [2022-07-22 01:39:41,690 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7347b626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 01:39:41, skipping insertion in model container [2022-07-22 01:39:41,690 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 01:39:41,690 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:39:41" (3/3) ... [2022-07-22 01:39:41,692 INFO L354 chiAutomizerObserver]: Analyzing ICFG java_Sequence-alloca.i [2022-07-22 01:39:41,756 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 01:39:41,756 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 01:39:41,757 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 01:39:41,757 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 01:39:41,757 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 01:39:41,757 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 01:39:41,757 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 01:39:41,757 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 01:39:41,761 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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) [2022-07-22 01:39:41,785 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-07-22 01:39:41,785 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:39:41,786 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:39:41,790 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-22 01:39:41,791 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-22 01:39:41,791 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 01:39:41,791 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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) [2022-07-22 01:39:41,794 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-07-22 01:39:41,794 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:39:41,795 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:39:41,795 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-22 01:39:41,795 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-22 01:39:41,802 INFO L752 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem8#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(0, main_~i~0#1.base, main_~i~0#1.offset, 4); 5#L552-4true [2022-07-22 01:39:41,803 INFO L754 eck$LassoCheckResult]: Loop: 5#L552-4true call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 10#L552-1true assume !!(main_#t~mem7#1 < 100);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1; 4#L552-3true call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 5#L552-4true [2022-07-22 01:39:41,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:39:41,809 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-07-22 01:39:41,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:39:41,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040150849] [2022-07-22 01:39:41,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:39:41,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:39:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:39:41,990 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:39:42,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:39:42,047 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:39:42,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:39:42,050 INFO L85 PathProgramCache]: Analyzing trace with hash 35911, now seen corresponding path program 1 times [2022-07-22 01:39:42,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:39:42,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51594349] [2022-07-22 01:39:42,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:39:42,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:39:42,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:39:42,079 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:39:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:39:42,100 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:39:42,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:39:42,106 INFO L85 PathProgramCache]: Analyzing trace with hash 28694853, now seen corresponding path program 1 times [2022-07-22 01:39:42,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:39:42,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042924438] [2022-07-22 01:39:42,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:39:42,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:39:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:39:42,137 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:39:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:39:42,160 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:39:42,705 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 01:39:42,706 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 01:39:42,706 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 01:39:42,706 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 01:39:42,706 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 01:39:42,707 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:42,707 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 01:39:42,708 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 01:39:42,708 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_Sequence-alloca.i_Iteration1_Lasso [2022-07-22 01:39:42,708 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 01:39:42,709 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 01:39:42,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:39:42,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:39:42,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:39:42,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:39:42,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:39:42,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:39:42,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:39:42,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:39:42,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:39:42,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:39:42,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:39:42,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:39:42,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:39:43,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:39:43,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:39:43,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:39:43,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:39:43,443 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 01:39:43,447 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 01:39:43,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:43,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:43,451 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) [2022-07-22 01:39:43,456 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 [2022-07-22 01:39:43,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:39:43,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:39:43,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:39:43,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:39:43,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:39:43,471 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:39:43,471 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:39:43,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:39:43,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-22 01:39:43,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:43,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:43,517 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) [2022-07-22 01:39:43,525 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 [2022-07-22 01:39:43,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:39:43,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:39:43,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:39:43,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:39:43,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:39:43,541 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:39:43,541 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:39:43,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:39:43,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-22 01:39:43,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:43,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:43,583 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) [2022-07-22 01:39:43,585 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 [2022-07-22 01:39:43,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:39:43,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:39:43,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:39:43,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:39:43,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:39:43,596 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:39:43,596 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:39:43,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:39:43,635 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 [2022-07-22 01:39:43,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:43,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:43,638 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) [2022-07-22 01:39:43,639 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 [2022-07-22 01:39:43,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:39:43,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:39:43,648 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:39:43,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:39:43,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:39:43,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:39:43,649 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:39:43,649 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:39:43,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:39:43,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-22 01:39:43,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:43,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:43,690 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) [2022-07-22 01:39:43,697 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 [2022-07-22 01:39:43,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:39:43,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:39:43,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:39:43,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:39:43,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:39:43,709 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:39:43,709 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:39:43,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:39:43,734 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-07-22 01:39:43,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:43,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:43,737 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) [2022-07-22 01:39:43,742 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 [2022-07-22 01:39:43,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:39:43,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:39:43,751 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:39:43,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:39:43,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:39:43,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:39:43,754 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:39:43,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:39:43,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:39:43,771 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 [2022-07-22 01:39:43,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:43,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:43,773 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) [2022-07-22 01:39:43,774 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 [2022-07-22 01:39:43,776 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:39:43,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:39:43,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:39:43,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:39:43,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:39:43,789 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:39:43,789 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:39:43,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:39:43,828 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-22 01:39:43,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:43,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:43,830 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) [2022-07-22 01:39:43,830 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 [2022-07-22 01:39:43,831 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:39:43,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:39:43,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:39:43,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:39:43,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:39:43,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:39:43,846 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:39:43,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:39:43,857 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:39:43,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-22 01:39:43,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:43,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:43,875 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) [2022-07-22 01:39:43,875 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 [2022-07-22 01:39:43,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:39:43,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:39:43,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:39:43,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:39:43,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:39:43,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:39:43,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:39:43,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:39:43,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:39:43,938 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 [2022-07-22 01:39:43,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:43,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:43,939 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) [2022-07-22 01:39:43,940 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 [2022-07-22 01:39:43,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:39:43,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:39:43,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:39:43,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:39:43,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:39:43,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:39:43,949 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:39:43,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:39:43,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:39:43,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-22 01:39:43,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:43,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:43,972 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) [2022-07-22 01:39:43,973 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 [2022-07-22 01:39:43,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:39:43,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:39:43,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:39:43,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:39:43,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:39:43,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:39:43,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:39:43,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:39:43,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:39:44,003 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 [2022-07-22 01:39:44,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:44,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:44,005 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) [2022-07-22 01:39:44,008 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 [2022-07-22 01:39:44,009 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 [2022-07-22 01:39:44,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:39:44,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:39:44,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:39:44,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:39:44,017 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:39:44,017 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:39:44,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:39:44,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-07-22 01:39:44,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:44,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:44,072 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) [2022-07-22 01:39:44,073 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 [2022-07-22 01:39:44,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:39:44,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:39:44,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:39:44,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:39:44,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:39:44,088 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:39:44,088 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:39:44,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:39:44,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-22 01:39:44,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:44,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:44,114 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) [2022-07-22 01:39:44,115 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 [2022-07-22 01:39:44,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:39:44,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:39:44,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:39:44,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:39:44,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:39:44,125 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:39:44,125 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:39:44,146 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:39:44,162 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-07-22 01:39:44,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:44,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:44,164 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) [2022-07-22 01:39:44,166 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 [2022-07-22 01:39:44,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:39:44,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:39:44,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:39:44,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:39:44,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:39:44,176 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:39:44,177 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:39:44,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:39:44,206 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 [2022-07-22 01:39:44,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:44,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:44,209 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) [2022-07-22 01:39:44,210 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 [2022-07-22 01:39:44,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:39:44,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:39:44,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:39:44,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:39:44,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:39:44,236 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:39:44,236 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:39:44,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:39:44,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-07-22 01:39:44,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:44,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:44,285 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) [2022-07-22 01:39:44,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:39:44,297 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 [2022-07-22 01:39:44,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:39:44,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:39:44,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:39:44,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:39:44,304 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:39:44,305 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:39:44,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:39:44,345 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-07-22 01:39:44,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:44,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:44,347 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) [2022-07-22 01:39:44,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:39:44,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:39:44,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:39:44,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:39:44,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:39:44,363 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:39:44,363 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:39:44,364 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 [2022-07-22 01:39:44,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:39:44,395 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 [2022-07-22 01:39:44,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:44,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:44,397 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) [2022-07-22 01:39:44,403 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:39:44,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:39:44,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:39:44,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:39:44,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:39:44,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:39:44,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:39:44,415 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 [2022-07-22 01:39:44,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:39:44,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-07-22 01:39:44,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:44,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:44,481 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) [2022-07-22 01:39:44,482 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 [2022-07-22 01:39:44,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:39:44,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:39:44,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:39:44,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:39:44,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:39:44,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:39:44,493 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:39:44,500 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 01:39:44,512 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 01:39:44,512 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. [2022-07-22 01:39:44,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:39:44,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:44,516 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) [2022-07-22 01:39:44,526 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 [2022-07-22 01:39:44,526 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 01:39:44,548 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-22 01:39:44,549 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 01:39:44,549 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~i~0#1.base) ULTIMATE.start_main_~i~0#1.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~i~0#1.base) ULTIMATE.start_main_~i~0#1.offset)_1 + 199 Supporting invariants [] [2022-07-22 01:39:44,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-07-22 01:39:44,644 INFO L293 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2022-07-22 01:39:44,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:39:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:39:44,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 01:39:44,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:39:44,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-07-22 01:39:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:39:44,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-22 01:39:44,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:39:44,808 INFO L356 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2022-07-22 01:39:44,809 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 50 [2022-07-22 01:39:44,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:39:44,949 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-07-22 01:39:44,950 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 01:39:45,002 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 31 transitions. Complement of second has 10 states. [2022-07-22 01:39:45,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-07-22 01:39:45,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 01:39:45,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 16 transitions. [2022-07-22 01:39:45,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 2 letters. Loop has 3 letters. [2022-07-22 01:39:45,009 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:39:45,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 5 letters. Loop has 3 letters. [2022-07-22 01:39:45,010 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:39:45,010 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 2 letters. Loop has 6 letters. [2022-07-22 01:39:45,010 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:39:45,011 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 31 transitions. [2022-07-22 01:39:45,012 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-22 01:39:45,015 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 11 states and 13 transitions. [2022-07-22 01:39:45,015 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2022-07-22 01:39:45,016 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-07-22 01:39:45,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2022-07-22 01:39:45,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 01:39:45,016 INFO L369 hiAutomatonCegarLoop]: Abstraction has 11 states and 13 transitions. [2022-07-22 01:39:45,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2022-07-22 01:39:45,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2022-07-22 01:39:45,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 10 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) [2022-07-22 01:39:45,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2022-07-22 01:39:45,035 INFO L392 hiAutomatonCegarLoop]: Abstraction has 11 states and 13 transitions. [2022-07-22 01:39:45,036 INFO L374 stractBuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2022-07-22 01:39:45,036 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 01:39:45,036 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 13 transitions. [2022-07-22 01:39:45,036 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-22 01:39:45,036 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:39:45,037 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:39:45,037 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-22 01:39:45,037 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-22 01:39:45,037 INFO L752 eck$LassoCheckResult]: Stem: 151#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 152#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem8#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(0, main_~i~0#1.base, main_~i~0#1.offset, 4); 153#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 155#L552-1 assume !(main_#t~mem7#1 < 100);havoc main_#t~mem7#1; 156#L552-5 call write~int(5, main_~j~0#1.base, main_~j~0#1.offset, 4); 157#L553-4 [2022-07-22 01:39:45,038 INFO L754 eck$LassoCheckResult]: Loop: 157#L553-4 call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 159#L553-1 assume !!(main_#t~mem10#1 < 21);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 158#L553-3 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(3 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1; 157#L553-4 [2022-07-22 01:39:45,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:39:45,038 INFO L85 PathProgramCache]: Analyzing trace with hash 28694795, now seen corresponding path program 1 times [2022-07-22 01:39:45,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:39:45,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342794914] [2022-07-22 01:39:45,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:39:45,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:39:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:39:45,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:39:45,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 01:39:45,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342794914] [2022-07-22 01:39:45,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342794914] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 01:39:45,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 01:39:45,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 01:39:45,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020909808] [2022-07-22 01:39:45,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 01:39:45,144 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-22 01:39:45,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:39:45,145 INFO L85 PathProgramCache]: Analyzing trace with hash 50806, now seen corresponding path program 1 times [2022-07-22 01:39:45,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:39:45,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642463124] [2022-07-22 01:39:45,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:39:45,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:39:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:39:45,173 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:39:45,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:39:45,181 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:39:45,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 01:39:45,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 01:39:45,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 01:39:45,249 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 01:39:45,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 01:39:45,277 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2022-07-22 01:39:45,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 01:39:45,278 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 14 transitions. [2022-07-22 01:39:45,279 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-22 01:39:45,280 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 12 states and 13 transitions. [2022-07-22 01:39:45,280 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-07-22 01:39:45,280 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-07-22 01:39:45,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 13 transitions. [2022-07-22 01:39:45,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 01:39:45,281 INFO L369 hiAutomatonCegarLoop]: Abstraction has 12 states and 13 transitions. [2022-07-22 01:39:45,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 13 transitions. [2022-07-22 01:39:45,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2022-07-22 01:39:45,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 10 states have internal predecessors, (12), 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) [2022-07-22 01:39:45,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2022-07-22 01:39:45,283 INFO L392 hiAutomatonCegarLoop]: Abstraction has 11 states and 12 transitions. [2022-07-22 01:39:45,283 INFO L374 stractBuchiCegarLoop]: Abstraction has 11 states and 12 transitions. [2022-07-22 01:39:45,283 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-22 01:39:45,283 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 12 transitions. [2022-07-22 01:39:45,285 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-22 01:39:45,285 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:39:45,285 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:39:45,285 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2022-07-22 01:39:45,286 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-22 01:39:45,286 INFO L752 eck$LassoCheckResult]: Stem: 182#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 183#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem8#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(0, main_~i~0#1.base, main_~i~0#1.offset, 4); 186#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 187#L552-1 assume !!(main_#t~mem7#1 < 100);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1; 184#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 185#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 188#L552-1 assume !(main_#t~mem7#1 < 100);havoc main_#t~mem7#1; 189#L552-5 call write~int(5, main_~j~0#1.base, main_~j~0#1.offset, 4); 190#L553-4 [2022-07-22 01:39:45,286 INFO L754 eck$LassoCheckResult]: Loop: 190#L553-4 call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 192#L553-1 assume !!(main_#t~mem10#1 < 21);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 191#L553-3 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(3 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1; 190#L553-4 [2022-07-22 01:39:45,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:39:45,286 INFO L85 PathProgramCache]: Analyzing trace with hash 149879881, now seen corresponding path program 1 times [2022-07-22 01:39:45,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:39:45,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38176304] [2022-07-22 01:39:45,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:39:45,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:39:45,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:39:45,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:39:45,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 01:39:45,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38176304] [2022-07-22 01:39:45,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38176304] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 01:39:45,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081641914] [2022-07-22 01:39:45,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:39:45,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 01:39:45,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:45,393 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 01:39:45,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-07-22 01:39:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:39:45,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 19 conjunts are in the unsatisfiable core [2022-07-22 01:39:45,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:39:45,487 INFO L356 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-07-22 01:39:45,488 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 74 [2022-07-22 01:39:45,496 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-07-22 01:39:45,503 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-07-22 01:39:45,661 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 20 [2022-07-22 01:39:45,666 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-07-22 01:39:45,769 INFO L356 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-07-22 01:39:45,770 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 35 [2022-07-22 01:39:45,814 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-22 01:39:45,815 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 26 [2022-07-22 01:39:45,833 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-07-22 01:39:45,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:39:45,836 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 01:39:45,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:39:45,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081641914] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 01:39:45,909 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 01:39:45,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2022-07-22 01:39:45,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597760430] [2022-07-22 01:39:45,909 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 01:39:45,909 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-22 01:39:45,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:39:45,910 INFO L85 PathProgramCache]: Analyzing trace with hash 50806, now seen corresponding path program 2 times [2022-07-22 01:39:45,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:39:45,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183484576] [2022-07-22 01:39:45,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:39:45,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:39:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:39:45,916 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:39:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:39:45,922 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:39:45,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 01:39:45,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-22 01:39:45,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=99, Unknown=1, NotChecked=0, Total=156 [2022-07-22 01:39:45,987 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. cyclomatic complexity: 3 Second operand has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 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) [2022-07-22 01:39:46,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 01:39:46,064 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2022-07-22 01:39:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-22 01:39:46,065 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 21 transitions. [2022-07-22 01:39:46,066 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-22 01:39:46,066 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 18 states and 19 transitions. [2022-07-22 01:39:46,066 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-07-22 01:39:46,066 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-07-22 01:39:46,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 19 transitions. [2022-07-22 01:39:46,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 01:39:46,067 INFO L369 hiAutomatonCegarLoop]: Abstraction has 18 states and 19 transitions. [2022-07-22 01:39:46,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 19 transitions. [2022-07-22 01:39:46,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2022-07-22 01:39:46,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 16 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 01:39:46,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2022-07-22 01:39:46,069 INFO L392 hiAutomatonCegarLoop]: Abstraction has 17 states and 18 transitions. [2022-07-22 01:39:46,069 INFO L374 stractBuchiCegarLoop]: Abstraction has 17 states and 18 transitions. [2022-07-22 01:39:46,069 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-22 01:39:46,069 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 18 transitions. [2022-07-22 01:39:46,069 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-22 01:39:46,069 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:39:46,070 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:39:46,070 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 3, 3, 1, 1, 1, 1] [2022-07-22 01:39:46,070 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-22 01:39:46,070 INFO L752 eck$LassoCheckResult]: Stem: 281#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 282#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem8#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(0, main_~i~0#1.base, main_~i~0#1.offset, 4); 283#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 284#L552-1 assume !!(main_#t~mem7#1 < 100);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1; 279#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 280#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 285#L552-1 assume !!(main_#t~mem7#1 < 100);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1; 295#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 294#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 292#L552-1 assume !!(main_#t~mem7#1 < 100);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1; 293#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 291#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 290#L552-1 assume !(main_#t~mem7#1 < 100);havoc main_#t~mem7#1; 286#L552-5 call write~int(5, main_~j~0#1.base, main_~j~0#1.offset, 4); 287#L553-4 [2022-07-22 01:39:46,070 INFO L754 eck$LassoCheckResult]: Loop: 287#L553-4 call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 289#L553-1 assume !!(main_#t~mem10#1 < 21);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 288#L553-3 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(3 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1; 287#L553-4 [2022-07-22 01:39:46,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:39:46,071 INFO L85 PathProgramCache]: Analyzing trace with hash -579836663, now seen corresponding path program 2 times [2022-07-22 01:39:46,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:39:46,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308678957] [2022-07-22 01:39:46,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:39:46,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:39:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:39:46,335 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:39:46,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 01:39:46,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308678957] [2022-07-22 01:39:46,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308678957] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 01:39:46,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998989680] [2022-07-22 01:39:46,337 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 01:39:46,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 01:39:46,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:46,341 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 01:39:46,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-07-22 01:39:46,428 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-22 01:39:46,428 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 01:39:46,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 28 conjunts are in the unsatisfiable core [2022-07-22 01:39:46,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:39:46,443 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2022-07-22 01:39:46,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 01:39:46,448 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-07-22 01:39:46,451 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-07-22 01:39:46,469 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-07-22 01:39:46,481 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-07-22 01:39:46,500 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-07-22 01:39:46,517 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-07-22 01:39:46,535 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-07-22 01:39:46,550 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-07-22 01:39:46,562 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-07-22 01:39:46,570 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:39:46,570 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 01:39:46,607 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_208 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~i~0#1.base|) |c_ULTIMATE.start_main_~i~0#1.offset|) 99)) is different from false [2022-07-22 01:39:46,624 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_208 (Array Int Int)) (v_ArrVal_206 Int)) (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~i~0#1.base|))) (or (not (<= v_ArrVal_206 (+ (select .cse0 |c_ULTIMATE.start_main_~i~0#1.offset|) 1))) (< (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~i~0#1.base| (store .cse0 |c_ULTIMATE.start_main_~i~0#1.offset| v_ArrVal_206)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~i~0#1.base|) |c_ULTIMATE.start_main_~i~0#1.offset|) 99)))) is different from false [2022-07-22 01:39:46,638 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_205 (Array Int Int)) (v_ArrVal_208 (Array Int Int)) (v_ArrVal_206 Int)) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_205))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~i~0#1.base|))) (or (< (select (select (store (store .cse0 |c_ULTIMATE.start_main_~i~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~i~0#1.offset| v_ArrVal_206)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~i~0#1.base|) |c_ULTIMATE.start_main_~i~0#1.offset|) 99) (not (<= v_ArrVal_206 (+ (select .cse1 |c_ULTIMATE.start_main_~i~0#1.offset|) 1))))))) is different from false [2022-07-22 01:39:46,667 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_205 (Array Int Int)) (v_ArrVal_208 (Array Int Int)) (v_ArrVal_206 Int) (v_ArrVal_204 Int)) (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~i~0#1.base|))) (let ((.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~i~0#1.base| (store .cse0 |c_ULTIMATE.start_main_~i~0#1.offset| v_ArrVal_204)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_205))) (let ((.cse1 (select .cse2 |c_ULTIMATE.start_main_~i~0#1.base|))) (or (not (<= v_ArrVal_204 (+ (select .cse0 |c_ULTIMATE.start_main_~i~0#1.offset|) 1))) (not (<= v_ArrVal_206 (+ (select .cse1 |c_ULTIMATE.start_main_~i~0#1.offset|) 1))) (< (select (select (store (store .cse2 |c_ULTIMATE.start_main_~i~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~i~0#1.offset| v_ArrVal_206)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~i~0#1.base|) |c_ULTIMATE.start_main_~i~0#1.offset|) 99)))))) is different from false [2022-07-22 01:39:46,688 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_205 (Array Int Int)) (v_ArrVal_208 (Array Int Int)) (v_ArrVal_206 Int) (v_ArrVal_202 (Array Int Int)) (v_ArrVal_204 Int)) (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_202))) (let ((.cse1 (select .cse3 |c_ULTIMATE.start_main_~i~0#1.base|))) (let ((.cse2 (store (store .cse3 |c_ULTIMATE.start_main_~i~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~i~0#1.offset| v_ArrVal_204)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_205))) (let ((.cse0 (select .cse2 |c_ULTIMATE.start_main_~i~0#1.base|))) (or (not (<= v_ArrVal_206 (+ (select .cse0 |c_ULTIMATE.start_main_~i~0#1.offset|) 1))) (not (<= v_ArrVal_204 (+ (select .cse1 |c_ULTIMATE.start_main_~i~0#1.offset|) 1))) (< (select (select (store (store .cse2 |c_ULTIMATE.start_main_~i~0#1.base| (store .cse0 |c_ULTIMATE.start_main_~i~0#1.offset| v_ArrVal_206)) |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~i~0#1.base|) |c_ULTIMATE.start_main_~i~0#1.offset|) 99))))))) is different from false [2022-07-22 01:39:46,730 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 15 not checked. [2022-07-22 01:39:46,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998989680] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 01:39:46,730 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 01:39:46,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 10] total 24 [2022-07-22 01:39:46,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739395468] [2022-07-22 01:39:46,731 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 01:39:46,731 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-22 01:39:46,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:39:46,732 INFO L85 PathProgramCache]: Analyzing trace with hash 50806, now seen corresponding path program 3 times [2022-07-22 01:39:46,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:39:46,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063052542] [2022-07-22 01:39:46,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:39:46,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:39:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:39:46,738 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:39:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:39:46,742 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:39:46,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 01:39:46,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-07-22 01:39:46,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=229, Unknown=5, NotChecked=190, Total=552 [2022-07-22 01:39:46,802 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. cyclomatic complexity: 3 Second operand has 24 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 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) [2022-07-22 01:39:47,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 01:39:47,004 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2022-07-22 01:39:47,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-22 01:39:47,005 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 31 transitions. [2022-07-22 01:39:47,006 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-22 01:39:47,007 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 27 states and 28 transitions. [2022-07-22 01:39:47,007 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-07-22 01:39:47,007 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-07-22 01:39:47,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 28 transitions. [2022-07-22 01:39:47,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 01:39:47,007 INFO L369 hiAutomatonCegarLoop]: Abstraction has 27 states and 28 transitions. [2022-07-22 01:39:47,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 28 transitions. [2022-07-22 01:39:47,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2022-07-22 01:39:47,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 25 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) [2022-07-22 01:39:47,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2022-07-22 01:39:47,009 INFO L392 hiAutomatonCegarLoop]: Abstraction has 26 states and 27 transitions. [2022-07-22 01:39:47,009 INFO L374 stractBuchiCegarLoop]: Abstraction has 26 states and 27 transitions. [2022-07-22 01:39:47,009 INFO L287 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-22 01:39:47,009 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 27 transitions. [2022-07-22 01:39:47,010 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-22 01:39:47,010 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:39:47,010 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:39:47,010 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 6, 6, 1, 1, 1, 1] [2022-07-22 01:39:47,010 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-22 01:39:47,010 INFO L752 eck$LassoCheckResult]: Stem: 449#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 450#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem8#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(0, main_~i~0#1.base, main_~i~0#1.offset, 4); 453#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 454#L552-1 assume !!(main_#t~mem7#1 < 100);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1; 474#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 455#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 456#L552-1 assume !!(main_#t~mem7#1 < 100);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1; 451#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 452#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 473#L552-1 assume !!(main_#t~mem7#1 < 100);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1; 472#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 471#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 470#L552-1 assume !!(main_#t~mem7#1 < 100);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1; 469#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 468#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 467#L552-1 assume !!(main_#t~mem7#1 < 100);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1; 466#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 465#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 463#L552-1 assume !!(main_#t~mem7#1 < 100);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1; 464#L552-3 call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 462#L552-4 call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 461#L552-1 assume !(main_#t~mem7#1 < 100);havoc main_#t~mem7#1; 459#L552-5 call write~int(5, main_~j~0#1.base, main_~j~0#1.offset, 4); 458#L553-4 [2022-07-22 01:39:47,011 INFO L754 eck$LassoCheckResult]: Loop: 458#L553-4 call main_#t~mem10#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4); 460#L553-1 assume !!(main_#t~mem10#1 < 21);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem11#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem11#1; 457#L553-3 call main_#t~mem9#1 := read~int(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int(3 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1; 458#L553-4 [2022-07-22 01:39:47,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:39:47,011 INFO L85 PathProgramCache]: Analyzing trace with hash -733972789, now seen corresponding path program 3 times [2022-07-22 01:39:47,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:39:47,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678656728] [2022-07-22 01:39:47,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:39:47,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:39:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:39:47,442 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:39:47,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 01:39:47,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678656728] [2022-07-22 01:39:47,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678656728] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 01:39:47,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457905566] [2022-07-22 01:39:47,443 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-22 01:39:47,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 01:39:47,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:39:47,444 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) [2022-07-22 01:39:47,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-07-22 01:39:47,566 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-07-22 01:39:47,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 01:39:47,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 51 conjunts are in the unsatisfiable core [2022-07-22 01:39:47,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:39:47,604 INFO L356 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-07-22 01:39:47,605 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 74 [2022-07-22 01:39:47,609 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-07-22 01:39:47,615 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-07-22 01:39:47,638 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 15 [2022-07-22 01:39:47,642 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-07-22 01:39:47,693 INFO L356 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2022-07-22 01:39:47,694 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 32 [2022-07-22 01:39:47,746 INFO L356 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-07-22 01:39:47,746 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 43 [2022-07-22 01:39:47,838 INFO L356 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-07-22 01:39:47,838 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 43 [2022-07-22 01:39:47,902 INFO L356 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-07-22 01:39:47,903 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 43 [2022-07-22 01:39:47,975 INFO L356 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-07-22 01:39:47,976 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 43 [2022-07-22 01:39:48,047 INFO L356 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-07-22 01:39:48,047 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 43 [2022-07-22 01:39:48,139 INFO L356 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-07-22 01:39:48,143 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 43 [2022-07-22 01:39:48,237 INFO L356 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-07-22 01:39:48,237 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 43 [2022-07-22 01:39:48,330 INFO L356 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-07-22 01:39:48,331 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 43 [2022-07-22 01:39:48,415 INFO L356 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-07-22 01:39:48,416 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 43 [2022-07-22 01:39:48,533 INFO L356 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2022-07-22 01:39:48,534 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 40 [2022-07-22 01:39:48,577 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-22 01:39:48,578 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 26 [2022-07-22 01:39:48,605 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-07-22 01:39:48,607 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:39:48,607 INFO L328 TraceCheckSpWp]: Computing backward predicates...