./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/a.09_assume-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/a.09_assume-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 df4500f5696d99ca846c8b1d02ff521622ca4836 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:45:27,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:45:27,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:45:27,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:45:27,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:45:27,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:45:27,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:45:27,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:45:27,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:45:27,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:45:27,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:45:27,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:45:27,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:45:27,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:45:27,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:45:27,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:45:27,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:45:27,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:45:27,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:45:27,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:45:27,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:45:27,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:45:27,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:45:27,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:45:27,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:45:27,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:45:27,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:45:27,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:45:27,842 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:45:27,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:45:27,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:45:27,844 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:45:27,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:45:27,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:45:27,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:45:27,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:45:27,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:45:27,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:45:27,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:45:27,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:45:27,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:45:27,852 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-19 18:45:27,898 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:45:27,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:45:27,901 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:45:27,901 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:45:27,901 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:45:27,901 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 18:45:27,902 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 18:45:27,902 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 18:45:27,902 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 18:45:27,902 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 18:45:27,904 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 18:45:27,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:45:27,904 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:45:27,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:45:27,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:45:27,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 18:45:27,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 18:45:27,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 18:45:27,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 18:45:27,906 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 18:45:27,907 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:45:27,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 18:45:27,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:45:27,907 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:45:27,908 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 18:45:27,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:45:27,908 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:45:27,909 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:45:27,909 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 18:45:27,910 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 18:45:27,911 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 -> df4500f5696d99ca846c8b1d02ff521622ca4836 [2020-10-19 18:45:28,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:45:28,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:45:28,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:45:28,231 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:45:28,232 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:45:28,233 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/a.09_assume-alloca.i [2020-10-19 18:45:28,285 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddd1e9505/cf351d6913354982b2331ff7ea9755da/FLAG64176da1d [2020-10-19 18:45:28,743 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:45:28,743 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/a.09_assume-alloca.i [2020-10-19 18:45:28,765 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddd1e9505/cf351d6913354982b2331ff7ea9755da/FLAG64176da1d [2020-10-19 18:45:29,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddd1e9505/cf351d6913354982b2331ff7ea9755da [2020-10-19 18:45:29,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:45:29,125 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 18:45:29,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:45:29,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:45:29,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:45:29,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:45:29" (1/1) ... [2020-10-19 18:45:29,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ea562fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:29, skipping insertion in model container [2020-10-19 18:45:29,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:45:29" (1/1) ... [2020-10-19 18:45:29,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:45:29,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:45:29,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:45:29,574 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:45:29,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:45:29,658 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:45:29,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:29 WrapperNode [2020-10-19 18:45:29,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:45:29,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 18:45:29,660 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 18:45:29,661 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 18:45:29,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:29" (1/1) ... [2020-10-19 18:45:29,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:29" (1/1) ... [2020-10-19 18:45:29,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 18:45:29,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:45:29,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:45:29,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:45:29,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:29" (1/1) ... [2020-10-19 18:45:29,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:29" (1/1) ... [2020-10-19 18:45:29,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:29" (1/1) ... [2020-10-19 18:45:29,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:29" (1/1) ... [2020-10-19 18:45:29,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:29" (1/1) ... [2020-10-19 18:45:29,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:29" (1/1) ... [2020-10-19 18:45:29,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:29" (1/1) ... [2020-10-19 18:45:29,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:45:29,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:45:29,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:45:29,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:45:29,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:29" (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 18:45:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-19 18:45:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-19 18:45:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 18:45:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 18:45:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:45:29,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:45:30,105 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:45:30,105 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-19 18:45:30,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:45:30 BoogieIcfgContainer [2020-10-19 18:45:30,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:45:30,107 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 18:45:30,107 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 18:45:30,111 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 18:45:30,111 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:45:30,112 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 06:45:29" (1/3) ... [2020-10-19 18:45:30,112 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30900af5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:45:30, skipping insertion in model container [2020-10-19 18:45:30,112 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:45:30,113 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:45:29" (2/3) ... [2020-10-19 18:45:30,113 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30900af5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:45:30, skipping insertion in model container [2020-10-19 18:45:30,113 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:45:30,113 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:45:30" (3/3) ... [2020-10-19 18:45:30,115 INFO L373 chiAutomizerObserver]: Analyzing ICFG a.09_assume-alloca.i [2020-10-19 18:45:30,161 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 18:45:30,161 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 18:45:30,161 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 18:45:30,161 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:45:30,161 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:45:30,161 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 18:45:30,162 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:45:30,162 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 18:45:30,176 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-10-19 18:45:30,195 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-19 18:45:30,196 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:45:30,196 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:45:30,201 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-19 18:45:30,201 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-19 18:45:30,201 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 18:45:30,201 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-10-19 18:45:30,203 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-19 18:45:30,203 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:45:30,203 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:45:30,203 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-19 18:45:30,204 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-19 18:45:30,212 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~ret20;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet17, main_#t~nondet18, main_#t~nondet19;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~mem5, test_fun_#t~mem6, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem10, test_fun_#t~mem9, test_fun_#t~short11, test_fun_#t~mem16, 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_~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 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 test_fun_#t~mem5 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 11#L555true assume !(test_fun_#t~mem5 <= 0);havoc test_fun_#t~mem5; 5#L558-5true [2020-10-19 18:45:30,212 INFO L796 eck$LassoCheckResult]: Loop: 5#L558-5true call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short11 := test_fun_#t~mem7 >= test_fun_#t~mem8; 8#L558-1true assume !test_fun_#t~short11; 12#L558-3true assume !!test_fun_#t~short11;havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;havoc test_fun_#t~mem7;havoc test_fun_#t~mem10;havoc test_fun_#t~short11;call test_fun_#t~mem12 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 14#L559true assume !(test_fun_#t~mem12 <= 0);havoc test_fun_#t~mem12;call test_fun_#t~mem14 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem14 + test_fun_#t~mem15, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem14;havoc test_fun_#t~mem15; 5#L558-5true [2020-10-19 18:45:30,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:45:30,218 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2020-10-19 18:45:30,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:45:30,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66748497] [2020-10-19 18:45:30,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:45:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:30,348 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:30,377 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:30,401 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:45:30,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:45:30,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1298091, now seen corresponding path program 1 times [2020-10-19 18:45:30,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:45:30,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015877613] [2020-10-19 18:45:30,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:45:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:45:30,466 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 18:45:30,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015877613] [2020-10-19 18:45:30,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:45:30,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 18:45:30,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39636255] [2020-10-19 18:45:30,473 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-19 18:45:30,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 18:45:30,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:45:30,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:45:30,493 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 3 states. [2020-10-19 18:45:30,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:45:30,529 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2020-10-19 18:45:30,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:45:30,532 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2020-10-19 18:45:30,533 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-19 18:45:30,537 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 7 states and 7 transitions. [2020-10-19 18:45:30,539 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2020-10-19 18:45:30,539 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2020-10-19 18:45:30,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 7 transitions. [2020-10-19 18:45:30,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 18:45:30,540 INFO L691 BuchiCegarLoop]: Abstraction has 7 states and 7 transitions. [2020-10-19 18:45:30,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 7 transitions. [2020-10-19 18:45:30,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2020-10-19 18:45:30,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-19 18:45:30,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2020-10-19 18:45:30,572 INFO L714 BuchiCegarLoop]: Abstraction has 7 states and 7 transitions. [2020-10-19 18:45:30,572 INFO L594 BuchiCegarLoop]: Abstraction has 7 states and 7 transitions. [2020-10-19 18:45:30,572 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 18:45:30,573 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 7 transitions. [2020-10-19 18:45:30,574 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-19 18:45:30,574 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:45:30,574 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:45:30,574 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-19 18:45:30,575 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-19 18:45:30,575 INFO L794 eck$LassoCheckResult]: Stem: 38#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 34#L-1 havoc main_#res;havoc main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~ret20;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet17, main_#t~nondet18, main_#t~nondet19;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~mem5, test_fun_#t~mem6, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem10, test_fun_#t~mem9, test_fun_#t~short11, test_fun_#t~mem16, 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_~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 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 test_fun_#t~mem5 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 35#L555 assume !(test_fun_#t~mem5 <= 0);havoc test_fun_#t~mem5; 36#L558-5 [2020-10-19 18:45:30,575 INFO L796 eck$LassoCheckResult]: Loop: 36#L558-5 call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short11 := test_fun_#t~mem7 >= test_fun_#t~mem8; 37#L558-1 assume test_fun_#t~short11;call test_fun_#t~mem10 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short11 := test_fun_#t~mem10 <= 2147483647 - test_fun_#t~mem9; 39#L558-3 assume !!test_fun_#t~short11;havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;havoc test_fun_#t~mem7;havoc test_fun_#t~mem10;havoc test_fun_#t~short11;call test_fun_#t~mem12 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 40#L559 assume !(test_fun_#t~mem12 <= 0);havoc test_fun_#t~mem12;call test_fun_#t~mem14 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem14 + test_fun_#t~mem15, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem14;havoc test_fun_#t~mem15; 36#L558-5 [2020-10-19 18:45:30,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:45:30,576 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2020-10-19 18:45:30,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:45:30,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854277480] [2020-10-19 18:45:30,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:45:30,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:30,602 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:30,624 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:30,634 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:45:30,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:45:30,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1296169, now seen corresponding path program 1 times [2020-10-19 18:45:30,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:45:30,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744700859] [2020-10-19 18:45:30,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:45:30,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:30,668 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:30,696 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:30,702 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:45:30,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:45:30,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1806905932, now seen corresponding path program 1 times [2020-10-19 18:45:30,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:45:30,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906942838] [2020-10-19 18:45:30,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:45:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:30,778 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:45:30,825 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:45:30,831 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:45:31,043 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2020-10-19 18:45:31,609 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 94 [2020-10-19 18:45:31,790 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-19 18:45:31,804 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 18:45:31,806 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 18:45:31,806 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 18:45:31,806 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 18:45:31,807 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 18:45:31,807 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:31,807 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 18:45:31,807 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 18:45:31,808 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.09_assume-alloca.i_Iteration2_Lasso [2020-10-19 18:45:31,808 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 18:45:31,808 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 18:45:31,836 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 18:45:31,848 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 18:45:31,852 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 18:45:31,856 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 18:45:31,859 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 18:45:31,863 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 18:45:31,867 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 18:45:31,871 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 18:45:31,877 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 18:45:31,881 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 18:45:31,884 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 18:45:32,314 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 74 [2020-10-19 18:45:32,449 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2020-10-19 18:45:32,450 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 18:45:32,453 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 18:45:32,456 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 18:45:32,460 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 18:45:32,463 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 18:45:32,466 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 18:45:32,469 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 18:45:32,472 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 18:45:32,475 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 18:45:32,478 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 18:45:32,480 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 18:45:32,482 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 18:45:33,076 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 18:45:33,081 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 18:45:33,093 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 18:45:33,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:33,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:45:33,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:33,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:33,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:33,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:33,099 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 18:45:33,102 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 18:45:33,136 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 18:45:33,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:33,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:45:33,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:33,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:33,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:33,145 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:33,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:45:33,147 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 18:45:33,174 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 18:45:33,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:33,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:45:33,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:33,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:33,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:33,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:33,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:45:33,178 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 18:45:33,203 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 18:45:33,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:33,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:45:33,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:33,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:33,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:33,206 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:33,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:45:33,208 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 18:45:33,230 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 18:45:33,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:33,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:45:33,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:33,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:33,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:33,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:33,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:45:33,239 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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:33,268 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 18:45:33,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:33,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:45:33,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:33,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:33,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:33,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:33,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:45:33,274 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) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:33,304 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 18:45:33,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:33,305 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:45:33,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:33,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:33,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:33,306 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:33,306 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:45:33,310 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 18:45:33,334 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 18:45:33,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:33,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:33,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:33,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:33,338 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:45:33,339 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:45:33,342 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) [2020-10-19 18:45:33,377 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 18:45:33,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:33,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:33,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:33,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:33,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:33,381 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:33,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:45:33,383 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 18:45:33,404 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 18:45:33,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:33,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:45:33,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:33,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:33,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:33,406 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:45:33,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:45:33,408 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) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:45:33,431 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 18:45:33,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:45:33,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:45:33,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:45:33,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:45:33,451 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:45:33,451 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:45:33,471 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 18:45:33,692 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2020-10-19 18:45:33,692 INFO L444 ModelExtractionUtils]: 11 out of 40 variables were initially zero. Simplification set additionally 24 variables to zero. 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 18:45:33,704 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 18:45:33,707 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-19 18:45:33,707 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 18:45:33,708 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_fun_~y, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_1) = 4294967293*ULTIMATE.start_test_fun_~y - 2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_1 Supporting invariants [1*ULTIMATE.start_test_fun_~y - 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 >= 0] [2020-10-19 18:45:33,841 INFO L297 tatePredicateManager]: 23 out of 25 supporting invariants were superfluous and have been removed [2020-10-19 18:45:33,862 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-19 18:45:33,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:45:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:45:33,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-19 18:45:33,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:45:34,033 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2020-10-19 18:45:34,043 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:45:34,057 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:45:34,096 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:45:34,097 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 76 [2020-10-19 18:45:34,098 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-19 18:45:34,145 INFO L625 ElimStorePlain]: treesize reduction 39, result has 54.1 percent of original size [2020-10-19 18:45:34,154 INFO L545 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:45:34,155 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:72, output treesize:13 [2020-10-19 18:45:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:45:34,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-19 18:45:34,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:45:34,212 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:45:34,224 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 18:45:34,297 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 18:45:34,301 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-10-19 18:45:34,302 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 7 transitions. cyclomatic complexity: 1 Second operand 6 states. [2020-10-19 18:45:34,392 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 7 transitions. cyclomatic complexity: 1. Second operand 6 states. Result 11 states and 12 transitions. Complement of second has 9 states. [2020-10-19 18:45:34,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2020-10-19 18:45:34,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-19 18:45:34,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2020-10-19 18:45:34,396 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 7 transitions. Stem has 3 letters. Loop has 4 letters. [2020-10-19 18:45:34,397 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:45:34,397 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 7 transitions. Stem has 7 letters. Loop has 4 letters. [2020-10-19 18:45:34,397 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:45:34,397 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 7 transitions. Stem has 3 letters. Loop has 8 letters. [2020-10-19 18:45:34,397 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:45:34,398 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 12 transitions. [2020-10-19 18:45:34,399 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 18:45:34,399 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. [2020-10-19 18:45:34,399 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 18:45:34,399 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 18:45:34,399 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 18:45:34,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 18:45:34,399 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:45:34,399 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:45:34,400 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:45:34,400 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-19 18:45:34,400 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 18:45:34,400 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 18:45:34,400 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 18:45:34,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 06:45:34 BoogieIcfgContainer [2020-10-19 18:45:34,406 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 18:45:34,407 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:45:34,407 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:45:34,407 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:45:34,408 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:45:30" (3/4) ... [2020-10-19 18:45:34,410 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 18:45:34,411 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:45:34,412 INFO L168 Benchmark]: Toolchain (without parser) took 5292.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 216.0 MB). Free memory was 960.0 MB in the beginning and 983.9 MB in the end (delta: -23.9 MB). Peak memory consumption was 192.1 MB. Max. memory is 11.5 GB. [2020-10-19 18:45:34,413 INFO L168 Benchmark]: CDTParser took 0.26 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 18:45:34,414 INFO L168 Benchmark]: CACSL2BoogieTranslator took 533.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -169.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2020-10-19 18:45:34,415 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2020-10-19 18:45:34,415 INFO L168 Benchmark]: Boogie Preprocessor took 24.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:45:34,416 INFO L168 Benchmark]: RCFGBuilder took 377.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:45:34,417 INFO L168 Benchmark]: BuchiAutomizer took 4299.13 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 74.4 MB). Free memory was 1.1 GB in the beginning and 983.9 MB in the end (delta: 113.1 MB). Peak memory consumption was 187.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:45:34,417 INFO L168 Benchmark]: Witness Printer took 3.80 ms. Allocated memory is still 1.2 GB. Free memory is still 983.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:45:34,421 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 533.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -169.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 377.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4299.13 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 74.4 MB). Free memory was 1.1 GB in the beginning and 983.9 MB in the end (delta: 113.1 MB). Peak memory consumption was 187.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.80 ms. Allocated memory is still 1.2 GB. Free memory is still 983.9 MB. 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 4294967293 * y + -2 * unknown-#memory_int-unknown[z_ref][z_ref] and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 17 SDtfs, 5 SDslu, 10 SDs, 0 SdLazy, 16 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital304 mio100 ax105 hnf99 lsp90 ukn64 mio100 lsp34 div100 bol100 ite100 ukn100 eq192 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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...