./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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/b.13-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 72925b65ef321f719f00e79529e35268c3f3eaa3 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 18:46:02,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:46:02,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:46:02,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:46:02,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:46:02,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:46:02,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:46:02,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:46:02,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:46:02,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:46:02,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:46:02,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:46:02,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:46:02,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:46:02,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:46:02,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:46:02,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:46:02,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:46:02,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:46:02,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:46:02,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:46:02,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:46:02,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:46:02,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:46:02,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:46:02,854 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:46:02,854 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:46:02,855 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:46:02,855 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:46:02,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:46:02,857 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:46:02,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:46:02,858 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:46:02,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:46:02,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:46:02,860 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:46:02,861 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:46:02,861 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:46:02,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:46:02,862 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:46:02,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:46:02,864 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-19 18:46:02,888 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:46:02,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:46:02,889 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:46:02,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:46:02,889 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:46:02,890 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 18:46:02,890 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 18:46:02,890 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 18:46:02,890 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 18:46:02,891 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 18:46:02,891 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 18:46:02,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:46:02,891 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:46:02,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:46:02,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:46:02,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 18:46:02,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 18:46:02,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 18:46:02,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 18:46:02,893 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 18:46:02,893 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:46:02,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 18:46:02,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:46:02,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:46:02,894 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 18:46:02,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:46:02,894 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:46:02,894 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:46:02,895 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 18:46:02,896 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 18:46:02,896 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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 -> 72925b65ef321f719f00e79529e35268c3f3eaa3 [2020-10-19 18:46:03,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:46:03,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:46:03,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:46:03,259 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:46:03,260 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:46:03,261 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i [2020-10-19 18:46:03,315 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6866e900/9680a3b0a9534711b451200f4dc78501/FLAG5796e4433 [2020-10-19 18:46:03,745 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:46:03,746 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i [2020-10-19 18:46:03,758 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6866e900/9680a3b0a9534711b451200f4dc78501/FLAG5796e4433 [2020-10-19 18:46:04,066 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6866e900/9680a3b0a9534711b451200f4dc78501 [2020-10-19 18:46:04,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:46:04,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 18:46:04,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:46:04,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:46:04,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:46:04,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:46:04" (1/1) ... [2020-10-19 18:46:04,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d5b8929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:46:04, skipping insertion in model container [2020-10-19 18:46:04,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:46:04" (1/1) ... [2020-10-19 18:46:04,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:46:04,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:46:04,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:46:04,438 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:46:04,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:46:04,606 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:46:04,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:46:04 WrapperNode [2020-10-19 18:46:04,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:46:04,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 18:46:04,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 18:46:04,607 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 18:46:04,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:46:04" (1/1) ... [2020-10-19 18:46:04,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:46:04" (1/1) ... [2020-10-19 18:46:04,651 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 18:46:04,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:46:04,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:46:04,652 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:46:04,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:46:04" (1/1) ... [2020-10-19 18:46:04,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:46:04" (1/1) ... [2020-10-19 18:46:04,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:46:04" (1/1) ... [2020-10-19 18:46:04,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:46:04" (1/1) ... [2020-10-19 18:46:04,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:46:04" (1/1) ... [2020-10-19 18:46:04,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:46:04" (1/1) ... [2020-10-19 18:46:04,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:46:04" (1/1) ... [2020-10-19 18:46:04,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:46:04,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:46:04,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:46:04,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:46:04,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:46:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-19 18:46:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-19 18:46:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 18:46:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 18:46:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:46:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:46:05,003 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:46:05,003 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-19 18:46:05,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:46:05 BoogieIcfgContainer [2020-10-19 18:46:05,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:46:05,006 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 18:46:05,006 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 18:46:05,009 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 18:46:05,010 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:46:05,010 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 06:46:04" (1/3) ... [2020-10-19 18:46:05,011 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34971d31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:46:05, skipping insertion in model container [2020-10-19 18:46:05,011 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:46:05,011 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:46:04" (2/3) ... [2020-10-19 18:46:05,012 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34971d31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:46:05, skipping insertion in model container [2020-10-19 18:46:05,012 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:46:05,012 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:46:05" (3/3) ... [2020-10-19 18:46:05,014 INFO L373 chiAutomizerObserver]: Analyzing ICFG b.13-alloca.i [2020-10-19 18:46:05,061 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 18:46:05,061 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 18:46:05,061 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 18:46:05,062 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:46:05,062 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:46:05,062 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 18:46:05,062 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:46:05,062 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 18:46:05,076 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-10-19 18:46:05,096 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-10-19 18:46:05,096 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:46:05,097 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:46:05,103 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-19 18:46:05,103 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-19 18:46:05,103 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 18:46:05,103 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-10-19 18:46:05,104 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-10-19 18:46:05,105 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:46:05,105 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:46:05,105 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-19 18:46:05,105 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-19 18:46:05,111 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 14#L561-2true [2020-10-19 18:46:05,112 INFO L796 eck$LassoCheckResult]: Loop: 14#L561-2true call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 8#L557-1true assume test_fun_#t~short10; 12#L557-3true assume !!test_fun_#t~short10;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;havoc test_fun_#t~mem8;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 4#L558true assume test_fun_#t~mem11 > test_fun_#t~mem12;havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;call test_fun_#t~mem13 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem13 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem13; 14#L561-2true [2020-10-19 18:46:05,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:05,117 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-19 18:46:05,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:46:05,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801210077] [2020-10-19 18:46:05,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:46:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:05,281 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:05,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:05,331 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:05,361 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:46:05,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:05,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 1 times [2020-10-19 18:46:05,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:46:05,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425945307] [2020-10-19 18:46:05,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:46:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:05,377 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:05,386 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:05,390 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:46:05,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:05,392 INFO L82 PathProgramCache]: Analyzing trace with hash 889569449, now seen corresponding path program 1 times [2020-10-19 18:46:05,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:46:05,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723943043] [2020-10-19 18:46:05,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:46:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:05,441 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:05,499 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:05,514 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:46:05,752 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2020-10-19 18:46:06,448 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 100 [2020-10-19 18:46:06,739 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-19 18:46:06,755 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 18:46:06,756 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 18:46:06,756 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 18:46:06,756 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 18:46:06,757 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 18:46:06,757 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:06,757 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 18:46:06,758 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 18:46:06,758 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.13-alloca.i_Iteration1_Lasso [2020-10-19 18:46:06,758 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 18:46:06,759 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 18:46:06,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:06,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:06,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:06,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:06,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:06,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:06,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:06,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:06,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:06,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:06,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:06,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:07,444 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 89 [2020-10-19 18:46:07,559 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-10-19 18:46:07,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:07,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:07,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:07,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:07,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:07,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:07,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:07,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:07,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:08,237 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 18:46:08,242 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:46:08,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:08,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:08,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:46:08,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:08,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:08,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:08,264 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:46:08,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:08,267 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:08,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:08,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:08,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:46:08,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:08,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:08,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:08,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:46:08,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:46:08,304 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:08,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:08,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:08,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:46:08,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:08,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:08,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:08,331 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:46:08,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:46:08,333 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:08,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:08,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:08,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:46:08,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:08,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:08,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:08,361 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:46:08,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:46:08,362 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:08,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:08,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:08,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:46:08,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:08,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:08,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:08,387 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:46:08,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:46:08,388 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:46:08,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:08,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:08,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:08,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:08,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:08,417 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:08,417 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:08,424 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:46:08,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:08,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:08,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:46:08,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:08,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:08,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:08,470 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:46:08,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:46:08,475 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:08,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:08,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:08,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:46:08,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:08,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:08,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:08,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:46:08,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:46:08,520 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:08,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:08,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:08,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:08,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:08,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:08,563 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:08,563 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:08,567 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:08,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:08,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:08,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:08,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:08,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:08,596 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:08,597 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:08,600 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:46:08,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:08,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:08,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:46:08,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:08,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:08,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:08,641 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:46:08,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:46:08,643 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:08,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:08,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:08,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:08,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:08,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:08,669 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:08,669 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:08,673 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:46:08,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:08,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:08,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:08,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:08,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:08,703 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:08,704 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:08,709 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:08,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:08,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:08,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:08,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:08,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:08,755 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:08,755 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:08,768 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:46:08,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:08,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:08,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:08,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:08,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:08,838 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:08,839 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:08,857 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:46:08,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:08,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:08,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:08,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:08,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:08,904 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:08,904 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:08,910 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:46:08,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:08,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:08,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:08,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:08,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:08,947 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:08,947 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:08,951 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:08,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:08,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:08,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:08,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:08,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:08,995 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:08,996 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:08,999 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:46:09,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:09,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:09,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:09,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:09,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:09,045 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:09,045 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:09,049 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:46:09,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:09,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:09,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:09,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:09,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:09,101 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:09,101 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:09,105 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:46:09,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:09,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:09,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:09,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:09,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:09,149 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:09,149 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:09,154 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:46:09,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:09,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:09,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:09,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:09,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:09,202 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:09,202 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:09,209 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:09,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:09,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:09,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:09,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:09,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:09,246 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:09,246 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:09,253 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:09,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:09,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:09,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:09,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:09,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:09,289 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:09,289 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:09,301 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 18:46:09,442 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2020-10-19 18:46:09,442 INFO L444 ModelExtractionUtils]: 9 out of 28 variables were initially zero. Simplification set additionally 14 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:09,464 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 18:46:09,474 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-19 18:46:09,475 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 18:46:09,475 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_#t~nondet20, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = -1*ULTIMATE.start_main_#t~nondet20 + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [-1*ULTIMATE.start_main_#t~nondet20 + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_1 >= 0] [2020-10-19 18:46:09,647 INFO L297 tatePredicateManager]: 36 out of 37 supporting invariants were superfluous and have been removed [2020-10-19 18:46:09,660 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-19 18:46:09,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:46:09,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-19 18:46:09,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:46:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:46:09,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-19 18:46:09,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:46:09,798 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:46:09,812 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:46:09,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:46:09,908 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 [2020-10-19 18:46:09,909 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 4 states. [2020-10-19 18:46:10,091 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 4 states. Result 48 states and 68 transitions. Complement of second has 10 states. [2020-10-19 18:46:10,093 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 [2020-10-19 18:46:10,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-19 18:46:10,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 27 transitions. [2020-10-19 18:46:10,098 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 27 transitions. Stem has 2 letters. Loop has 4 letters. [2020-10-19 18:46:10,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:46:10,100 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 27 transitions. Stem has 6 letters. Loop has 4 letters. [2020-10-19 18:46:10,100 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:46:10,100 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 27 transitions. Stem has 2 letters. Loop has 8 letters. [2020-10-19 18:46:10,101 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:46:10,102 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 68 transitions. [2020-10-19 18:46:10,108 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2020-10-19 18:46:10,115 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 30 states and 44 transitions. [2020-10-19 18:46:10,116 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2020-10-19 18:46:10,117 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2020-10-19 18:46:10,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 44 transitions. [2020-10-19 18:46:10,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 18:46:10,118 INFO L691 BuchiCegarLoop]: Abstraction has 30 states and 44 transitions. [2020-10-19 18:46:10,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 44 transitions. [2020-10-19 18:46:10,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2020-10-19 18:46:10,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-19 18:46:10,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 42 transitions. [2020-10-19 18:46:10,145 INFO L714 BuchiCegarLoop]: Abstraction has 29 states and 42 transitions. [2020-10-19 18:46:10,145 INFO L594 BuchiCegarLoop]: Abstraction has 29 states and 42 transitions. [2020-10-19 18:46:10,145 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 18:46:10,145 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 42 transitions. [2020-10-19 18:46:10,147 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2020-10-19 18:46:10,147 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:46:10,147 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:46:10,147 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-19 18:46:10,147 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-19 18:46:10,148 INFO L794 eck$LassoCheckResult]: Stem: 269#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 263#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 264#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 281#L557-1 [2020-10-19 18:46:10,148 INFO L796 eck$LassoCheckResult]: Loop: 281#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 278#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;havoc test_fun_#t~mem8;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 279#L558 assume !(test_fun_#t~mem11 > test_fun_#t~mem12);havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;call test_fun_#t~mem14 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 274#L561 assume !(test_fun_#t~mem14 > test_fun_#t~mem15);havoc test_fun_#t~mem14;havoc test_fun_#t~mem15; 276#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 281#L557-1 [2020-10-19 18:46:10,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:10,148 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2020-10-19 18:46:10,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:46:10,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114667566] [2020-10-19 18:46:10,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:46:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:10,195 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:10,223 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:10,228 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:46:10,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:10,229 INFO L82 PathProgramCache]: Analyzing trace with hash 40270619, now seen corresponding path program 1 times [2020-10-19 18:46:10,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:46:10,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192285735] [2020-10-19 18:46:10,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:46:10,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:46:10,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:46:10,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192285735] [2020-10-19 18:46:10,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:46:10,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-19 18:46:10,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209418031] [2020-10-19 18:46:10,295 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-19 18:46:10,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:46:10,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 18:46:10,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:46:10,299 INFO L87 Difference]: Start difference. First operand 29 states and 42 transitions. cyclomatic complexity: 17 Second operand 5 states. [2020-10-19 18:46:10,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:46:10,354 INFO L93 Difference]: Finished difference Result 36 states and 48 transitions. [2020-10-19 18:46:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 18:46:10,355 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 48 transitions. [2020-10-19 18:46:10,357 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2020-10-19 18:46:10,358 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 32 states and 44 transitions. [2020-10-19 18:46:10,358 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2020-10-19 18:46:10,359 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2020-10-19 18:46:10,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 44 transitions. [2020-10-19 18:46:10,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 18:46:10,359 INFO L691 BuchiCegarLoop]: Abstraction has 32 states and 44 transitions. [2020-10-19 18:46:10,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 44 transitions. [2020-10-19 18:46:10,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 28. [2020-10-19 18:46:10,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-19 18:46:10,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 39 transitions. [2020-10-19 18:46:10,363 INFO L714 BuchiCegarLoop]: Abstraction has 28 states and 39 transitions. [2020-10-19 18:46:10,363 INFO L594 BuchiCegarLoop]: Abstraction has 28 states and 39 transitions. [2020-10-19 18:46:10,363 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-19 18:46:10,364 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 39 transitions. [2020-10-19 18:46:10,364 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2020-10-19 18:46:10,365 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:46:10,365 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:46:10,365 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-19 18:46:10,365 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-19 18:46:10,365 INFO L794 eck$LassoCheckResult]: Stem: 344#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 338#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 339#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 357#L557-1 assume test_fun_#t~short10; 362#L557-3 [2020-10-19 18:46:10,365 INFO L796 eck$LassoCheckResult]: Loop: 362#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;havoc test_fun_#t~mem8;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 359#L558 assume !(test_fun_#t~mem11 > test_fun_#t~mem12);havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;call test_fun_#t~mem14 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 360#L561 assume !(test_fun_#t~mem14 > test_fun_#t~mem15);havoc test_fun_#t~mem14;havoc test_fun_#t~mem15; 365#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 364#L557-1 assume test_fun_#t~short10; 362#L557-3 [2020-10-19 18:46:10,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:10,366 INFO L82 PathProgramCache]: Analyzing trace with hash 925670, now seen corresponding path program 1 times [2020-10-19 18:46:10,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:46:10,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988863280] [2020-10-19 18:46:10,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:46:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:10,388 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:10,405 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:10,410 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:46:10,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:10,411 INFO L82 PathProgramCache]: Analyzing trace with hash 45964857, now seen corresponding path program 1 times [2020-10-19 18:46:10,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:46:10,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784975889] [2020-10-19 18:46:10,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:46:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:46:10,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:46:10,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784975889] [2020-10-19 18:46:10,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:46:10,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:46:10,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12696597] [2020-10-19 18:46:10,444 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-19 18:46:10,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:46:10,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 18:46:10,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:46:10,445 INFO L87 Difference]: Start difference. First operand 28 states and 39 transitions. cyclomatic complexity: 14 Second operand 5 states. [2020-10-19 18:46:10,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:46:10,504 INFO L93 Difference]: Finished difference Result 32 states and 40 transitions. [2020-10-19 18:46:10,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-19 18:46:10,505 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 40 transitions. [2020-10-19 18:46:10,506 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2020-10-19 18:46:10,507 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 27 states and 35 transitions. [2020-10-19 18:46:10,507 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2020-10-19 18:46:10,508 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2020-10-19 18:46:10,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2020-10-19 18:46:10,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 18:46:10,508 INFO L691 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2020-10-19 18:46:10,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2020-10-19 18:46:10,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 22. [2020-10-19 18:46:10,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-10-19 18:46:10,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 29 transitions. [2020-10-19 18:46:10,511 INFO L714 BuchiCegarLoop]: Abstraction has 22 states and 29 transitions. [2020-10-19 18:46:10,511 INFO L594 BuchiCegarLoop]: Abstraction has 22 states and 29 transitions. [2020-10-19 18:46:10,511 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-19 18:46:10,511 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 29 transitions. [2020-10-19 18:46:10,512 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2020-10-19 18:46:10,512 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:46:10,512 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:46:10,512 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-19 18:46:10,512 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-19 18:46:10,512 INFO L794 eck$LassoCheckResult]: Stem: 416#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 410#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 411#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 425#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 431#L557-3 [2020-10-19 18:46:10,513 INFO L796 eck$LassoCheckResult]: Loop: 431#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;havoc test_fun_#t~mem8;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 427#L558 assume test_fun_#t~mem11 > test_fun_#t~mem12;havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;call test_fun_#t~mem13 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem13 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem13; 422#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 430#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 431#L557-3 [2020-10-19 18:46:10,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:10,513 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2020-10-19 18:46:10,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:46:10,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445161291] [2020-10-19 18:46:10,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:46:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:10,533 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:10,548 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:10,552 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:46:10,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:10,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1480169, now seen corresponding path program 1 times [2020-10-19 18:46:10,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:46:10,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998364729] [2020-10-19 18:46:10,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:46:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:10,562 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:10,570 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:10,573 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:46:10,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:10,573 INFO L82 PathProgramCache]: Analyzing trace with hash 179595856, now seen corresponding path program 1 times [2020-10-19 18:46:10,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:46:10,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256606382] [2020-10-19 18:46:10,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:46:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:46:10,615 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:46:10,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256606382] [2020-10-19 18:46:10,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:46:10,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-19 18:46:10,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235948037] [2020-10-19 18:46:10,810 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2020-10-19 18:46:10,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:46:10,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 18:46:10,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:46:10,884 INFO L87 Difference]: Start difference. First operand 22 states and 29 transitions. cyclomatic complexity: 9 Second operand 5 states. [2020-10-19 18:46:10,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:46:10,932 INFO L93 Difference]: Finished difference Result 22 states and 28 transitions. [2020-10-19 18:46:10,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 18:46:10,932 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 28 transitions. [2020-10-19 18:46:10,933 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2020-10-19 18:46:10,934 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 28 transitions. [2020-10-19 18:46:10,934 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2020-10-19 18:46:10,934 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2020-10-19 18:46:10,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 28 transitions. [2020-10-19 18:46:10,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 18:46:10,934 INFO L691 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2020-10-19 18:46:10,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 28 transitions. [2020-10-19 18:46:10,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2020-10-19 18:46:10,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-10-19 18:46:10,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2020-10-19 18:46:10,937 INFO L714 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2020-10-19 18:46:10,937 INFO L594 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2020-10-19 18:46:10,937 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-10-19 18:46:10,938 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2020-10-19 18:46:10,938 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2020-10-19 18:46:10,938 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:46:10,938 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:46:10,939 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-19 18:46:10,939 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-19 18:46:10,939 INFO L794 eck$LassoCheckResult]: Stem: 472#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 466#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 467#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 481#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 474#L557-3 [2020-10-19 18:46:10,939 INFO L796 eck$LassoCheckResult]: Loop: 474#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;havoc test_fun_#t~mem8;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 479#L558 assume !(test_fun_#t~mem11 > test_fun_#t~mem12);havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;call test_fun_#t~mem14 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 477#L561 assume test_fun_#t~mem14 > test_fun_#t~mem15;havoc test_fun_#t~mem14;havoc test_fun_#t~mem15;call test_fun_#t~mem16 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem16 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem16; 478#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 484#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 474#L557-3 [2020-10-19 18:46:10,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:10,940 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 2 times [2020-10-19 18:46:10,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:46:10,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145960843] [2020-10-19 18:46:10,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:46:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:10,959 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:10,974 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:10,978 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:46:10,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:10,979 INFO L82 PathProgramCache]: Analyzing trace with hash 45962937, now seen corresponding path program 1 times [2020-10-19 18:46:10,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:46:10,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836990382] [2020-10-19 18:46:10,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:46:10,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:10,991 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:11,001 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:11,004 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:46:11,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:11,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1272581938, now seen corresponding path program 1 times [2020-10-19 18:46:11,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:46:11,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276307683] [2020-10-19 18:46:11,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:46:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:11,028 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:11,052 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:11,058 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:46:11,248 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2020-10-19 18:46:11,376 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-10-19 18:46:12,299 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2020-10-19 18:46:12,647 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-19 18:46:12,656 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 18:46:12,656 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 18:46:12,656 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 18:46:12,656 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 18:46:12,656 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 18:46:12,656 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:12,656 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 18:46:12,656 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 18:46:12,656 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.13-alloca.i_Iteration5_Lasso [2020-10-19 18:46:12,657 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 18:46:12,657 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 18:46:12,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:12,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:12,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:12,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:12,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:12,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:12,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:13,928 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 119 DAG size of output: 102 [2020-10-19 18:46:14,188 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2020-10-19 18:46:14,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:14,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:14,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:14,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:14,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:14,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:14,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:14,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:14,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:14,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:14,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:46:14,614 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2020-10-19 18:46:15,322 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2020-10-19 18:46:15,548 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-10-19 18:46:15,610 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 18:46:15,614 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:15,625 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:15,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:15,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:46:15,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:15,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:15,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:15,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:46:15,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:46:15,635 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:15,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:15,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:15,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:46:15,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:15,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:15,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:15,668 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:46:15,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:46:15,670 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:15,693 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:15,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:15,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:46:15,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:15,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:15,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:15,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:46:15,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:46:15,696 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:46:15,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:15,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:15,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:15,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:15,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:15,721 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:15,721 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:15,724 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:15,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:15,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:15,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:46:15,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:15,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:15,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:15,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:46:15,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:46:15,751 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:46:15,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:15,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:15,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:15,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:15,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:15,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:15,782 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:15,785 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:15,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:15,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:15,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:15,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:15,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:15,812 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:15,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:15,815 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:15,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:15,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:15,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:15,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:15,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:15,849 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:15,849 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:15,869 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:46:15,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:15,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:15,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:15,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:15,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:15,897 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:15,897 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:15,904 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:15,926 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:15,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:15,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:15,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:15,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:15,929 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:15,929 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:15,932 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:15,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:15,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:15,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:15,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:15,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:15,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:15,959 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:15,963 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:15,985 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:15,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:15,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:15,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:15,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:16,002 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:16,002 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:16,018 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:16,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:16,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:16,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:16,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:16,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:16,051 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:16,051 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:16,055 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:16,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:16,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:16,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:46:16,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:46:16,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:16,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:46:16,085 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:46:16,090 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:16,111 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:46:16,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:46:16,114 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-10-19 18:46:16,114 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-19 18:46:16,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:46:16,144 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2020-10-19 18:46:16,144 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-10-19 18:46:16,227 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 18:46:16,350 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2020-10-19 18:46:16,350 INFO L444 ModelExtractionUtils]: 51 out of 91 variables were initially zero. Simplification set additionally 37 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:46:16,353 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 18:46:16,361 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2020-10-19 18:46:16,361 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 18:46:16,361 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_2, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_2 + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2 Supporting invariants [] [2020-10-19 18:46:16,568 INFO L297 tatePredicateManager]: 37 out of 37 supporting invariants were superfluous and have been removed [2020-10-19 18:46:16,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-19 18:46:16,571 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-19 18:46:16,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:46:16,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 18:46:16,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:46:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:46:16,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-19 18:46:16,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:46:16,874 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2020-10-19 18:46:16,876 INFO L350 Elim1Store]: treesize reduction 12, result has 88.3 percent of original size [2020-10-19 18:46:16,877 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 113 [2020-10-19 18:46:16,884 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:46:16,886 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:46:16,890 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-19 18:46:16,891 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:46:16,893 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:46:16,894 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:46:16,897 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:46:16,902 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:46:17,019 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 40 [2020-10-19 18:46:17,021 INFO L625 ElimStorePlain]: treesize reduction 313, result has 46.9 percent of original size [2020-10-19 18:46:17,024 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:46:17,027 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:46:17,030 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 8 dim-0 vars, and 2 xjuncts. [2020-10-19 18:46:17,030 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:55, output treesize:277 [2020-10-19 18:46:17,032 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:46:17,035 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:46:17,038 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:46:17,040 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:46:17,166 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:46:17,169 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:46:17,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:46:17,232 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2020-10-19 18:46:17,232 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 8 Second operand 5 states. [2020-10-19 18:46:17,270 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 8. Second operand 5 states. Result 48 states and 62 transitions. Complement of second has 9 states. [2020-10-19 18:46:17,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-10-19 18:46:17,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-19 18:46:17,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2020-10-19 18:46:17,271 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 4 letters. Loop has 5 letters. [2020-10-19 18:46:17,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:46:17,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 9 letters. Loop has 5 letters. [2020-10-19 18:46:17,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:46:17,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 4 letters. Loop has 10 letters. [2020-10-19 18:46:17,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:46:17,273 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 62 transitions. [2020-10-19 18:46:17,274 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2020-10-19 18:46:17,275 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 41 states and 53 transitions. [2020-10-19 18:46:17,275 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2020-10-19 18:46:17,275 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2020-10-19 18:46:17,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 53 transitions. [2020-10-19 18:46:17,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 18:46:17,276 INFO L691 BuchiCegarLoop]: Abstraction has 41 states and 53 transitions. [2020-10-19 18:46:17,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 53 transitions. [2020-10-19 18:46:17,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-10-19 18:46:17,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-19 18:46:17,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 53 transitions. [2020-10-19 18:46:17,279 INFO L714 BuchiCegarLoop]: Abstraction has 41 states and 53 transitions. [2020-10-19 18:46:17,280 INFO L594 BuchiCegarLoop]: Abstraction has 41 states and 53 transitions. [2020-10-19 18:46:17,280 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-10-19 18:46:17,280 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 53 transitions. [2020-10-19 18:46:17,281 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2020-10-19 18:46:17,281 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:46:17,281 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:46:17,282 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-10-19 18:46:17,282 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-19 18:46:17,282 INFO L794 eck$LassoCheckResult]: Stem: 744#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 738#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 739#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 766#L557-1 assume test_fun_#t~short10; 774#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;havoc test_fun_#t~mem8;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 772#L558 assume !(test_fun_#t~mem11 > test_fun_#t~mem12);havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;call test_fun_#t~mem14 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 770#L561 [2020-10-19 18:46:17,282 INFO L796 eck$LassoCheckResult]: Loop: 770#L561 assume test_fun_#t~mem14 > test_fun_#t~mem15;havoc test_fun_#t~mem14;havoc test_fun_#t~mem15;call test_fun_#t~mem16 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem16 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem16; 769#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 773#L557-1 assume test_fun_#t~short10; 771#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;havoc test_fun_#t~mem8;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 768#L558 assume !(test_fun_#t~mem11 > test_fun_#t~mem12);havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;call test_fun_#t~mem14 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 770#L561 [2020-10-19 18:46:17,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:17,283 INFO L82 PathProgramCache]: Analyzing trace with hash 889569451, now seen corresponding path program 1 times [2020-10-19 18:46:17,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:46:17,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286277544] [2020-10-19 18:46:17,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:46:17,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:46:17,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:46:17,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286277544] [2020-10-19 18:46:17,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:46:17,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-19 18:46:17,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762494196] [2020-10-19 18:46:17,329 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-19 18:46:17,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:17,329 INFO L82 PathProgramCache]: Analyzing trace with hash 52859425, now seen corresponding path program 1 times [2020-10-19 18:46:17,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:46:17,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089922673] [2020-10-19 18:46:17,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:46:17,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:46:17,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:46:17,357 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089922673] [2020-10-19 18:46:17,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:46:17,357 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-19 18:46:17,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663487416] [2020-10-19 18:46:17,357 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-19 18:46:17,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:46:17,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 18:46:17,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:46:17,358 INFO L87 Difference]: Start difference. First operand 41 states and 53 transitions. cyclomatic complexity: 16 Second operand 5 states. [2020-10-19 18:46:17,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:46:17,390 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2020-10-19 18:46:17,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 18:46:17,391 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 32 transitions. [2020-10-19 18:46:17,392 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-10-19 18:46:17,392 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 24 states and 28 transitions. [2020-10-19 18:46:17,392 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2020-10-19 18:46:17,393 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2020-10-19 18:46:17,393 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 28 transitions. [2020-10-19 18:46:17,393 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 18:46:17,393 INFO L691 BuchiCegarLoop]: Abstraction has 24 states and 28 transitions. [2020-10-19 18:46:17,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 28 transitions. [2020-10-19 18:46:17,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2020-10-19 18:46:17,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-10-19 18:46:17,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2020-10-19 18:46:17,395 INFO L714 BuchiCegarLoop]: Abstraction has 22 states and 26 transitions. [2020-10-19 18:46:17,396 INFO L594 BuchiCegarLoop]: Abstraction has 22 states and 26 transitions. [2020-10-19 18:46:17,396 INFO L427 BuchiCegarLoop]: ======== Iteration 7============ [2020-10-19 18:46:17,396 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 26 transitions. [2020-10-19 18:46:17,396 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-10-19 18:46:17,397 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:46:17,397 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:46:17,397 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:46:17,398 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-19 18:46:17,398 INFO L794 eck$LassoCheckResult]: Stem: 826#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 820#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 821#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 841#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 839#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;havoc test_fun_#t~mem8;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 836#L558 assume !(test_fun_#t~mem11 > test_fun_#t~mem12);havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;call test_fun_#t~mem14 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 832#L561 assume test_fun_#t~mem14 > test_fun_#t~mem15;havoc test_fun_#t~mem14;havoc test_fun_#t~mem15;call test_fun_#t~mem16 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem16 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem16; 833#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 827#L557-1 assume test_fun_#t~short10; 828#L557-3 [2020-10-19 18:46:17,398 INFO L796 eck$LassoCheckResult]: Loop: 828#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;havoc test_fun_#t~mem8;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 822#L558 assume test_fun_#t~mem11 > test_fun_#t~mem12;havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;call test_fun_#t~mem13 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem13 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem13; 823#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 834#L557-1 assume test_fun_#t~short10; 828#L557-3 [2020-10-19 18:46:17,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:17,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1272581936, now seen corresponding path program 1 times [2020-10-19 18:46:17,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:46:17,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143938477] [2020-10-19 18:46:17,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:46:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:46:17,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:46:17,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143938477] [2020-10-19 18:46:17,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115353414] [2020-10-19 18:46:17,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 18:46:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:46:17,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 25 conjunts are in the unsatisfiable core [2020-10-19 18:46:17,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:46:17,570 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:46:17,571 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 58 [2020-10-19 18:46:17,573 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 18:46:17,576 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:46:17,581 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:46:17,590 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:46:17,593 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:46:17,593 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:34, output treesize:13 [2020-10-19 18:46:17,611 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:46:17,615 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:46:17,669 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2020-10-19 18:46:17,671 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:46:17,678 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:46:17,681 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:46:17,681 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:41, output treesize:16 [2020-10-19 18:46:17,707 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:46:17,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:46:17,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-19 18:46:17,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2020-10-19 18:46:17,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165019873] [2020-10-19 18:46:17,718 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-19 18:46:17,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:46:17,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1480167, now seen corresponding path program 2 times [2020-10-19 18:46:17,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:46:17,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982850783] [2020-10-19 18:46:17,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:46:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:17,725 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:46:17,728 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:46:17,730 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:46:17,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:46:17,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-19 18:46:17,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-10-19 18:46:17,830 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. cyclomatic complexity: 7 Second operand 11 states. [2020-10-19 18:46:17,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:46:17,884 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2020-10-19 18:46:17,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-19 18:46:17,885 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2020-10-19 18:46:17,885 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 18:46:17,886 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2020-10-19 18:46:17,886 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 18:46:17,886 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 18:46:17,886 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 18:46:17,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 18:46:17,886 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:46:17,886 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:46:17,887 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:46:17,887 INFO L427 BuchiCegarLoop]: ======== Iteration 8============ [2020-10-19 18:46:17,887 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 18:46:17,887 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 18:46:17,887 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 18:46:17,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 06:46:17 BoogieIcfgContainer [2020-10-19 18:46:17,894 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 18:46:17,894 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:46:17,894 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:46:17,895 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:46:17,895 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:46:05" (3/4) ... [2020-10-19 18:46:17,899 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 18:46:17,899 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:46:17,900 INFO L168 Benchmark]: Toolchain (without parser) took 13830.40 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 321.9 MB). Free memory was 953.3 MB in the beginning and 1.2 GB in the end (delta: -237.8 MB). Peak memory consumption was 84.1 MB. Max. memory is 11.5 GB. [2020-10-19 18:46:17,901 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:46:17,902 INFO L168 Benchmark]: CACSL2BoogieTranslator took 530.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.5 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -108.4 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2020-10-19 18:46:17,902 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.46 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:46:17,902 INFO L168 Benchmark]: Boogie Preprocessor took 25.21 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:46:17,903 INFO L168 Benchmark]: RCFGBuilder took 327.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2020-10-19 18:46:17,904 INFO L168 Benchmark]: BuchiAutomizer took 12888.21 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 246.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -162.1 MB). Peak memory consumption was 84.3 MB. Max. memory is 11.5 GB. [2020-10-19 18:46:17,904 INFO L168 Benchmark]: Witness Printer took 4.72 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:46:17,908 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 530.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.5 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -108.4 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.46 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.21 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 327.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 12888.21 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 246.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -162.1 MB). Peak memory consumption was 84.3 MB. Max. memory is 11.5 GB. * Witness Printer took 4.72 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (5 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * aux-__VERIFIER_nondet_int()-aux + unknown-#memory_int-unknown[x_ref][x_ref] and consists of 6 locations. One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[x_ref][x_ref] + unknown-#memory_int-unknown[y_ref][y_ref] and consists of 5 locations. 5 modules have a trivial ranking function, the largest among these consists of 11 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.8s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 11.2s. Construction of modules took 0.2s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 6. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 14 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 41 states and ocurred in iteration 5. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 47 SDtfs, 51 SDslu, 38 SDs, 0 SdLazy, 180 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU1 SILI1 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital408 mio100 ax104 hnf99 lsp94 ukn70 mio100 lsp29 div100 bol104 ite100 ukn100 eq187 hnf88 smp97 dnf231 smp73 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 251ms VariablesStem: 17 VariablesLoop: 12 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...