./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/b.18-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c 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.18-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 abee338f12eaa8176313da7ed567414f687b7fa7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:33:37,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:33:37,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:33:37,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:33:37,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:33:37,824 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:33:37,826 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:33:37,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:33:37,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:33:37,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:33:37,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:33:37,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:33:37,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:33:37,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:33:37,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:33:37,838 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:33:37,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:33:37,841 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:33:37,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:33:37,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:33:37,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:33:37,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:33:37,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:33:37,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:33:37,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:33:37,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:33:37,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:33:37,855 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:33:37,856 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:33:37,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:33:37,857 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:33:37,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:33:37,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:33:37,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:33:37,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:33:37,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:33:37,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:33:37,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:33:37,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:33:37,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:33:37,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:33:37,866 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 20:33:37,882 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:33:37,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:33:37,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:33:37,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:33:37,885 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:33:37,885 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:33:37,886 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:33:37,886 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:33:37,886 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:33:37,886 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:33:37,887 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:33:37,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:33:37,887 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:33:37,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:33:37,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:33:37,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:33:37,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:33:37,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:33:37,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:33:37,889 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:33:37,890 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:33:37,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:33:37,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:33:37,891 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:33:37,891 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:33:37,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:33:37,891 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:33:37,892 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:33:37,892 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:33:37,893 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:33:37,894 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 -> abee338f12eaa8176313da7ed567414f687b7fa7 [2019-11-28 20:33:38,205 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:33:38,218 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:33:38,222 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:33:38,223 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:33:38,224 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:33:38,225 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/b.18-alloca.i [2019-11-28 20:33:38,288 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe62131af/cdb1f32c1a2c45e49182c4600bbef818/FLAG8465cd0e4 [2019-11-28 20:33:38,826 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:33:38,827 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/b.18-alloca.i [2019-11-28 20:33:38,845 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe62131af/cdb1f32c1a2c45e49182c4600bbef818/FLAG8465cd0e4 [2019-11-28 20:33:39,104 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe62131af/cdb1f32c1a2c45e49182c4600bbef818 [2019-11-28 20:33:39,108 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:33:39,109 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:33:39,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:33:39,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:33:39,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:33:39,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:33:39" (1/1) ... [2019-11-28 20:33:39,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4091a57b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:39, skipping insertion in model container [2019-11-28 20:33:39,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:33:39" (1/1) ... [2019-11-28 20:33:39,128 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:33:39,174 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:33:39,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:33:39,687 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:33:39,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:33:39,796 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:33:39,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:39 WrapperNode [2019-11-28 20:33:39,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:33:39,798 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:33:39,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:33:39,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:33:39,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:39" (1/1) ... [2019-11-28 20:33:39,826 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:39" (1/1) ... [2019-11-28 20:33:39,849 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:33:39,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:33:39,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:33:39,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:33:39,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:39" (1/1) ... [2019-11-28 20:33:39,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:39" (1/1) ... [2019-11-28 20:33:39,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:39" (1/1) ... [2019-11-28 20:33:39,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:39" (1/1) ... [2019-11-28 20:33:39,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:39" (1/1) ... [2019-11-28 20:33:39,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:39" (1/1) ... [2019-11-28 20:33:39,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:39" (1/1) ... [2019-11-28 20:33:39,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:33:39,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:33:39,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:33:39,888 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:33:39,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:39" (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 [2019-11-28 20:33:39,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 20:33:39,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 20:33:39,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:33:39,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 20:33:39,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:33:39,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:33:40,344 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:33:40,345 INFO L287 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-28 20:33:40,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:33:40 BoogieIcfgContainer [2019-11-28 20:33:40,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:33:40,348 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:33:40,348 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:33:40,352 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:33:40,353 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:33:40,353 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:33:39" (1/3) ... [2019-11-28 20:33:40,355 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31ed9d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:33:40, skipping insertion in model container [2019-11-28 20:33:40,355 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:33:40,355 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:39" (2/3) ... [2019-11-28 20:33:40,356 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31ed9d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:33:40, skipping insertion in model container [2019-11-28 20:33:40,356 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:33:40,356 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:33:40" (3/3) ... [2019-11-28 20:33:40,358 INFO L371 chiAutomizerObserver]: Analyzing ICFG b.18-alloca.i [2019-11-28 20:33:40,401 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:33:40,401 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:33:40,402 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:33:40,402 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:33:40,402 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:33:40,402 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:33:40,403 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:33:40,403 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:33:40,419 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2019-11-28 20:33:40,441 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-28 20:33:40,441 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:33:40,442 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:33:40,449 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 20:33:40,449 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-28 20:33:40,449 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:33:40,449 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2019-11-28 20:33:40,451 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-28 20:33:40,451 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:33:40,451 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:33:40,452 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 20:33:40,452 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-28 20:33:40,459 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~ret20;test_fun_#in~x, test_fun_#in~y := main_#t~nondet18, main_#t~nondet19;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem10, test_fun_#t~mem9, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~mem4, test_fun_#t~mem5, test_fun_#t~short6, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~short15, test_fun_#t~mem16, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 8#L559-4true [2019-11-28 20:33:40,459 INFO L796 eck$LassoCheckResult]: Loop: 8#L559-4true call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem4 > 0; 14#L553-1true assume test_fun_#t~short6;call test_fun_#t~mem5 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem5 > 0; 18#L553-3true assume !!test_fun_#t~short6;havoc test_fun_#t~mem4;havoc test_fun_#t~short6;havoc test_fun_#t~mem5;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_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 9#L554true assume !(test_fun_#t~mem7 > test_fun_#t~mem8);havoc test_fun_#t~mem7;havoc test_fun_#t~mem8; 6#L559-3true assume !true; 8#L559-4true [2019-11-28 20:33:40,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:40,465 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-28 20:33:40,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:40,473 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770856484] [2019-11-28 20:33:40,473 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:40,629 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:33:40,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:40,631 INFO L82 PathProgramCache]: Analyzing trace with hash 35410170, now seen corresponding path program 1 times [2019-11-28 20:33:40,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:40,632 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709387983] [2019-11-28 20:33:40,632 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:33:40,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:33:40,675 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709387983] [2019-11-28 20:33:40,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:33:40,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-11-28 20:33:40,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852435765] [2019-11-28 20:33:40,682 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 20:33:40,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:33:40,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 20:33:40,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 20:33:40,702 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 2 states. [2019-11-28 20:33:40,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:33:40,709 INFO L93 Difference]: Finished difference Result 17 states and 23 transitions. [2019-11-28 20:33:40,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 20:33:40,711 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 23 transitions. [2019-11-28 20:33:40,713 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-28 20:33:40,717 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 10 states and 14 transitions. [2019-11-28 20:33:40,718 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-28 20:33:40,718 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-28 20:33:40,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 14 transitions. [2019-11-28 20:33:40,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:33:40,719 INFO L688 BuchiCegarLoop]: Abstraction has 10 states and 14 transitions. [2019-11-28 20:33:40,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 14 transitions. [2019-11-28 20:33:40,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-28 20:33:40,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-28 20:33:40,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 14 transitions. [2019-11-28 20:33:40,744 INFO L711 BuchiCegarLoop]: Abstraction has 10 states and 14 transitions. [2019-11-28 20:33:40,744 INFO L591 BuchiCegarLoop]: Abstraction has 10 states and 14 transitions. [2019-11-28 20:33:40,744 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:33:40,744 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 14 transitions. [2019-11-28 20:33:40,745 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-28 20:33:40,745 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:33:40,745 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:33:40,746 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 20:33:40,746 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:33:40,746 INFO L794 eck$LassoCheckResult]: Stem: 46#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 42#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~ret20;test_fun_#in~x, test_fun_#in~y := 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~mem7, test_fun_#t~mem8, test_fun_#t~mem10, test_fun_#t~mem9, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~mem4, test_fun_#t~mem5, test_fun_#t~short6, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~short15, test_fun_#t~mem16, test_fun_#t~mem17, test_fun_~x, test_fun_~y, 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_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;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 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); 43#L559-4 [2019-11-28 20:33:40,747 INFO L796 eck$LassoCheckResult]: Loop: 43#L559-4 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem4 > 0; 49#L553-1 assume test_fun_#t~short6;call test_fun_#t~mem5 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem5 > 0; 50#L553-3 assume !!test_fun_#t~short6;havoc test_fun_#t~mem4;havoc test_fun_#t~short6;havoc test_fun_#t~mem5;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_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 51#L554 assume !(test_fun_#t~mem7 > test_fun_#t~mem8);havoc test_fun_#t~mem7;havoc test_fun_#t~mem8; 45#L559-3 call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 44#L559-1 assume !(test_fun_#t~mem11 > 0);havoc test_fun_#t~mem11; 43#L559-4 [2019-11-28 20:33:40,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:40,747 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2019-11-28 20:33:40,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:40,748 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622432162] [2019-11-28 20:33:40,748 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:40,787 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:33:40,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:40,788 INFO L82 PathProgramCache]: Analyzing trace with hash 1097715097, now seen corresponding path program 1 times [2019-11-28 20:33:40,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:40,788 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830283207] [2019-11-28 20:33:40,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:33:40,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:33:40,868 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830283207] [2019-11-28 20:33:40,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:33:40,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 20:33:40,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735858747] [2019-11-28 20:33:40,869 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 20:33:40,869 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:33:40,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 20:33:40,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:33:40,870 INFO L87 Difference]: Start difference. First operand 10 states and 14 transitions. cyclomatic complexity: 5 Second operand 5 states. [2019-11-28 20:33:40,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:33:40,959 INFO L93 Difference]: Finished difference Result 17 states and 23 transitions. [2019-11-28 20:33:40,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 20:33:40,960 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 23 transitions. [2019-11-28 20:33:40,961 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2019-11-28 20:33:40,962 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 23 transitions. [2019-11-28 20:33:40,962 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2019-11-28 20:33:40,963 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2019-11-28 20:33:40,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2019-11-28 20:33:40,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:33:40,963 INFO L688 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2019-11-28 20:33:40,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2019-11-28 20:33:40,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 12. [2019-11-28 20:33:40,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-28 20:33:40,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2019-11-28 20:33:40,966 INFO L711 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2019-11-28 20:33:40,966 INFO L591 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2019-11-28 20:33:40,966 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 20:33:40,967 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2019-11-28 20:33:40,967 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2019-11-28 20:33:40,968 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:33:40,968 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:33:40,968 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 20:33:40,968 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:33:40,969 INFO L794 eck$LassoCheckResult]: Stem: 83#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 79#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~ret20;test_fun_#in~x, test_fun_#in~y := main_#t~nondet18, main_#t~nondet19;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem10, test_fun_#t~mem9, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~mem4, test_fun_#t~mem5, test_fun_#t~short6, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~short15, test_fun_#t~mem16, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 80#L559-4 [2019-11-28 20:33:40,969 INFO L796 eck$LassoCheckResult]: Loop: 80#L559-4 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem4 > 0; 86#L553-1 assume test_fun_#t~short6;call test_fun_#t~mem5 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem5 > 0; 87#L553-3 assume !!test_fun_#t~short6;havoc test_fun_#t~mem4;havoc test_fun_#t~short6;havoc test_fun_#t~mem5;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_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 89#L554 assume test_fun_#t~mem7 > test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8; 84#L555-3 call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 85#L555-1 assume !(test_fun_#t~mem9 > 0);havoc test_fun_#t~mem9; 80#L559-4 [2019-11-28 20:33:40,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:40,970 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 3 times [2019-11-28 20:33:40,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:40,970 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174984786] [2019-11-28 20:33:40,970 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:40,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:41,000 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:33:41,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:41,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1097700202, now seen corresponding path program 1 times [2019-11-28 20:33:41,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:41,001 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565565463] [2019-11-28 20:33:41,002 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:33:41,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:33:41,073 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565565463] [2019-11-28 20:33:41,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:33:41,075 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 20:33:41,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441998649] [2019-11-28 20:33:41,075 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 20:33:41,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:33:41,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 20:33:41,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:33:41,076 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 5 Second operand 5 states. [2019-11-28 20:33:41,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:33:41,147 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2019-11-28 20:33:41,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 20:33:41,148 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2019-11-28 20:33:41,149 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2019-11-28 20:33:41,150 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 19 transitions. [2019-11-28 20:33:41,150 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2019-11-28 20:33:41,150 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2019-11-28 20:33:41,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2019-11-28 20:33:41,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:33:41,151 INFO L688 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2019-11-28 20:33:41,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2019-11-28 20:33:41,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2019-11-28 20:33:41,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-11-28 20:33:41,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2019-11-28 20:33:41,153 INFO L711 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2019-11-28 20:33:41,154 INFO L591 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2019-11-28 20:33:41,154 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-28 20:33:41,154 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2019-11-28 20:33:41,154 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2019-11-28 20:33:41,155 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:33:41,155 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:33:41,155 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 20:33:41,155 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2019-11-28 20:33:41,156 INFO L794 eck$LassoCheckResult]: Stem: 120#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 116#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~ret20;test_fun_#in~x, test_fun_#in~y := 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~mem7, test_fun_#t~mem8, test_fun_#t~mem10, test_fun_#t~mem9, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~mem4, test_fun_#t~mem5, test_fun_#t~short6, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~short15, test_fun_#t~mem16, test_fun_#t~mem17, test_fun_~x, test_fun_~y, 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_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;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 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); 117#L559-4 [2019-11-28 20:33:41,156 INFO L796 eck$LassoCheckResult]: Loop: 117#L559-4 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem4 > 0; 121#L553-1 assume test_fun_#t~short6;call test_fun_#t~mem5 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem5 > 0; 122#L553-3 assume !!test_fun_#t~short6;havoc test_fun_#t~mem4;havoc test_fun_#t~short6;havoc test_fun_#t~mem5;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_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 126#L554 assume test_fun_#t~mem7 > test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8; 123#L555-3 call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 124#L555-1 assume !!(test_fun_#t~mem9 > 0);havoc test_fun_#t~mem9;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem10 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem10; 128#L555-3 call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 129#L555-1 assume !(test_fun_#t~mem9 > 0);havoc test_fun_#t~mem9; 117#L559-4 [2019-11-28 20:33:41,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:41,156 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 4 times [2019-11-28 20:33:41,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:41,157 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098731560] [2019-11-28 20:33:41,157 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:41,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:41,184 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:33:41,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:41,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1672057937, now seen corresponding path program 1 times [2019-11-28 20:33:41,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:41,185 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394311843] [2019-11-28 20:33:41,185 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:41,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:33:41,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:33:41,287 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394311843] [2019-11-28 20:33:41,288 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440450089] [2019-11-28 20:33:41,288 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 20:33:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:33:41,344 INFO L264 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-28 20:33:41,347 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:33:41,365 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:33:41,534 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:33:41,535 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 63 [2019-11-28 20:33:41,537 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-28 20:33:41,539 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:33:41,541 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:33:41,618 INFO L614 ElimStorePlain]: treesize reduction 53, result has 47.0 percent of original size [2019-11-28 20:33:41,622 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2019-11-28 20:33:41,624 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:38, output treesize:47 [2019-11-28 20:33:41,697 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:33:41,721 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:33:41,722 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2019-11-28 20:33:41,723 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:33:41,731 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2019-11-28 20:33:41,732 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 20:33:41,747 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:33:41,748 INFO L534 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 20:33:41,749 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:61, output treesize:3 [2019-11-28 20:33:41,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:33:41,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 20:33:41,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2019-11-28 20:33:41,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085720225] [2019-11-28 20:33:41,756 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 20:33:41,756 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:33:41,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 20:33:41,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-11-28 20:33:41,757 INFO L87 Difference]: Start difference. First operand 14 states and 18 transitions. cyclomatic complexity: 5 Second operand 10 states. [2019-11-28 20:33:54,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:33:54,093 INFO L93 Difference]: Finished difference Result 16 states and 20 transitions. [2019-11-28 20:33:54,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 20:33:54,094 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2019-11-28 20:33:54,095 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2019-11-28 20:33:54,095 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 20 transitions. [2019-11-28 20:33:54,096 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-11-28 20:33:54,097 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-11-28 20:33:54,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2019-11-28 20:33:54,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:33:54,098 INFO L688 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2019-11-28 20:33:54,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2019-11-28 20:33:54,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-28 20:33:54,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-28 20:33:54,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2019-11-28 20:33:54,100 INFO L711 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2019-11-28 20:33:54,101 INFO L591 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2019-11-28 20:33:54,101 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-28 20:33:54,101 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2019-11-28 20:33:54,103 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2019-11-28 20:33:54,103 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:33:54,104 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:33:54,104 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 20:33:54,104 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2019-11-28 20:33:54,104 INFO L794 eck$LassoCheckResult]: Stem: 194#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 190#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~ret20;test_fun_#in~x, test_fun_#in~y := main_#t~nondet18, main_#t~nondet19;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem10, test_fun_#t~mem9, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~mem4, test_fun_#t~mem5, test_fun_#t~short6, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~short15, test_fun_#t~mem16, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 191#L559-4 [2019-11-28 20:33:54,105 INFO L796 eck$LassoCheckResult]: Loop: 191#L559-4 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem4 > 0; 195#L553-1 assume test_fun_#t~short6;call test_fun_#t~mem5 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem5 > 0; 196#L553-3 assume !!test_fun_#t~short6;havoc test_fun_#t~mem4;havoc test_fun_#t~short6;havoc test_fun_#t~mem5;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_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 200#L554 assume !(test_fun_#t~mem7 > test_fun_#t~mem8);havoc test_fun_#t~mem7;havoc test_fun_#t~mem8; 201#L559-3 call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 192#L559-1 assume !!(test_fun_#t~mem11 > 0);havoc test_fun_#t~mem11;call test_fun_#t~mem12 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem12; 193#L559-3 call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 199#L559-1 assume !(test_fun_#t~mem11 > 0);havoc test_fun_#t~mem11; 191#L559-4 [2019-11-28 20:33:54,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:54,105 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 5 times [2019-11-28 20:33:54,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:54,113 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055919919] [2019-11-28 20:33:54,113 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:54,162 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:33:54,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:54,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1657743362, now seen corresponding path program 1 times [2019-11-28 20:33:54,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:54,163 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131366269] [2019-11-28 20:33:54,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:54,207 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:33:54,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:54,208 INFO L82 PathProgramCache]: Analyzing trace with hash -967181888, now seen corresponding path program 1 times [2019-11-28 20:33:54,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:54,209 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666963876] [2019-11-28 20:33:54,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:54,286 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:33:54,440 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2019-11-28 20:33:54,711 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2019-11-28 20:33:54,822 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:33:54,823 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:33:54,823 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:33:54,823 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:33:54,823 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:33:54,824 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:54,824 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:33:54,824 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:33:54,824 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.18-alloca.i_Iteration5_Lasso [2019-11-28 20:33:54,824 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:33:54,824 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:33:54,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:54,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:54,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:54,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:54,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:54,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:54,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:54,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:54,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:54,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:54,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:54,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:54,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:54,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:54,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:54,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:54,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:54,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:54,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:54,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:54,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:54,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:55,139 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2019-11-28 20:33:55,256 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2019-11-28 20:33:55,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:55,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:55,742 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:33:55,747 INFO L489 LassoAnalysis]: Using template 'affine'. 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 [2019-11-28 20:33:55,762 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 [2019-11-28 20:33:55,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:55,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:55,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:55,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:55,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:55,769 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:55,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:55,772 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 [2019-11-28 20:33:55,786 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 [2019-11-28 20:33:55,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:55,788 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:55,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:55,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:55,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:55,789 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:55,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:55,793 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) [2019-11-28 20:33:55,811 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 [2019-11-28 20:33:55,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:55,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:55,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:55,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:55,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:55,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:55,816 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:55,820 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) [2019-11-28 20:33:55,837 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 [2019-11-28 20:33:55,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:55,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:55,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:55,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:55,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:55,846 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:55,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:55,849 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 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 [2019-11-28 20:33:55,860 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 [2019-11-28 20:33:55,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:55,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:55,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:55,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:55,865 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:55,865 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:55,869 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 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 [2019-11-28 20:33:55,874 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 [2019-11-28 20:33:55,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:55,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:55,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:55,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:55,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:55,877 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:55,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:55,886 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 [2019-11-28 20:33:55,901 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 [2019-11-28 20:33:55,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:55,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:55,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:55,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:55,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:55,904 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:55,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:55,906 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Exception during sending of exit command (exit): Broken pipe 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 [2019-11-28 20:33:55,916 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 [2019-11-28 20:33:55,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:55,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:55,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:55,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:55,921 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:55,921 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:55,927 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 [2019-11-28 20:33:55,935 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 [2019-11-28 20:33:55,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:55,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:55,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:55,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:55,942 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:55,942 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:55,947 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 [2019-11-28 20:33:55,960 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 [2019-11-28 20:33:55,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:55,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:55,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:55,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:55,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:55,962 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:55,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:55,963 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 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 [2019-11-28 20:33:55,970 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 [2019-11-28 20:33:55,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:55,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:55,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:55,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:55,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:55,973 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:55,973 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:55,974 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) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:55,982 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 [2019-11-28 20:33:55,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:55,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:55,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:55,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:55,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:55,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:55,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:55,986 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 [2019-11-28 20:33:55,996 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 [2019-11-28 20:33:55,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:55,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:55,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:55,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:56,010 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:56,010 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:56,013 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) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:56,028 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 [2019-11-28 20:33:56,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:56,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:56,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:56,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:56,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:56,031 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:56,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:56,033 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) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:56,042 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 [2019-11-28 20:33:56,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:56,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:56,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:56,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:56,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:56,050 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:56,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:56,053 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) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:56,067 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 [2019-11-28 20:33:56,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:56,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:56,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:56,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:56,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:56,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:56,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:56,072 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 [2019-11-28 20:33:56,082 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 [2019-11-28 20:33:56,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:56,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:56,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:56,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:56,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:56,087 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:56,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:56,096 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) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:56,105 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 [2019-11-28 20:33:56,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:56,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:56,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:56,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:56,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:56,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:56,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:56,111 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) [2019-11-28 20:33:56,125 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 [2019-11-28 20:33:56,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:56,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:56,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:56,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:56,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:56,128 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:56,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:56,131 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) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:56,138 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 [2019-11-28 20:33:56,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:56,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:56,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:56,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:56,142 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:56,143 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:56,147 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 23 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:56,156 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 [2019-11-28 20:33:56,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:56,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:56,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:56,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:56,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:56,164 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:56,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:56,166 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) [2019-11-28 20:33:56,178 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 [2019-11-28 20:33:56,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:56,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:56,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:56,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:56,187 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:56,187 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:56,193 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) [2019-11-28 20:33:56,202 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 [2019-11-28 20:33:56,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:56,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:56,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:56,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:56,208 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:56,208 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:56,214 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 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 [2019-11-28 20:33:56,220 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 [2019-11-28 20:33:56,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:56,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:56,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:56,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:56,230 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:56,230 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:56,243 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:33:56,291 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-28 20:33:56,291 INFO L444 ModelExtractionUtils]: 22 out of 28 variables were initially zero. Simplification set additionally 4 variables to zero. 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) [2019-11-28 20:33:56,305 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:56,311 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 20:33:56,312 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:33:56,313 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 Supporting invariants [] [2019-11-28 20:33:56,414 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2019-11-28 20:33:56,420 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-28 20:33:56,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:33:56,455 INFO L264 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:33:56,456 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:33:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:33:56,470 INFO L264 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 20:33:56,471 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:33:56,474 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:33:56,485 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-11-28 20:33:56,486 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:33:56,505 INFO L614 ElimStorePlain]: treesize reduction 1, result has 94.7 percent of original size [2019-11-28 20:33:56,509 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-11-28 20:33:56,509 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 20:33:56,515 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:33:56,515 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-28 20:33:56,516 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:6 [2019-11-28 20:33:56,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 20:33:56,557 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 [2019-11-28 20:33:56,558 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 5 Second operand 6 states. [2019-11-28 20:33:56,709 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 5. Second operand 6 states. Result 40 states and 53 transitions. Complement of second has 10 states. [2019-11-28 20:33:56,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2019-11-28 20:33:56,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-28 20:33:56,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 22 transitions. [2019-11-28 20:33:56,713 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 2 letters. Loop has 8 letters. [2019-11-28 20:33:56,714 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:33:56,714 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 10 letters. Loop has 8 letters. [2019-11-28 20:33:56,715 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:33:56,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 2 letters. Loop has 16 letters. [2019-11-28 20:33:56,716 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:33:56,716 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 53 transitions. [2019-11-28 20:33:56,717 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2019-11-28 20:33:56,719 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 38 states and 51 transitions. [2019-11-28 20:33:56,719 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2019-11-28 20:33:56,719 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-11-28 20:33:56,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 51 transitions. [2019-11-28 20:33:56,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:33:56,720 INFO L688 BuchiCegarLoop]: Abstraction has 38 states and 51 transitions. [2019-11-28 20:33:56,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 51 transitions. [2019-11-28 20:33:56,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 30. [2019-11-28 20:33:56,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-28 20:33:56,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2019-11-28 20:33:56,724 INFO L711 BuchiCegarLoop]: Abstraction has 30 states and 39 transitions. [2019-11-28 20:33:56,725 INFO L591 BuchiCegarLoop]: Abstraction has 30 states and 39 transitions. [2019-11-28 20:33:56,725 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-28 20:33:56,725 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 39 transitions. [2019-11-28 20:33:56,726 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2019-11-28 20:33:56,726 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:33:56,726 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:33:56,726 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 20:33:56,727 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [3, 2, 1, 1, 1, 1, 1] [2019-11-28 20:33:56,727 INFO L794 eck$LassoCheckResult]: Stem: 362#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 354#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~ret20;test_fun_#in~x, test_fun_#in~y := main_#t~nondet18, main_#t~nondet19;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem10, test_fun_#t~mem9, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~mem4, test_fun_#t~mem5, test_fun_#t~short6, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~short15, test_fun_#t~mem16, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 355#L559-4 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem4 > 0; 367#L553-1 [2019-11-28 20:33:56,727 INFO L796 eck$LassoCheckResult]: Loop: 367#L553-1 assume test_fun_#t~short6;call test_fun_#t~mem5 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem5 > 0; 368#L553-3 assume !!test_fun_#t~short6;havoc test_fun_#t~mem4;havoc test_fun_#t~short6;havoc test_fun_#t~mem5;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_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 371#L554 assume test_fun_#t~mem7 > test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8; 363#L555-3 call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 364#L555-1 assume !!(test_fun_#t~mem9 > 0);havoc test_fun_#t~mem9;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem10 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem10; 373#L555-3 call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 380#L555-1 assume !!(test_fun_#t~mem9 > 0);havoc test_fun_#t~mem9;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem10 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem10; 379#L555-3 call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 378#L555-1 assume !(test_fun_#t~mem9 > 0);havoc test_fun_#t~mem9; 357#L559-4 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem4 > 0; 367#L553-1 [2019-11-28 20:33:56,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:56,728 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-11-28 20:33:56,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:56,728 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792034022] [2019-11-28 20:33:56,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:56,747 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:33:56,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:56,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1479493138, now seen corresponding path program 2 times [2019-11-28 20:33:56,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:56,749 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800436210] [2019-11-28 20:33:56,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:56,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:56,771 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:33:56,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:56,773 INFO L82 PathProgramCache]: Analyzing trace with hash 376307409, now seen corresponding path program 1 times [2019-11-28 20:33:56,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:56,774 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76225918] [2019-11-28 20:33:56,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:56,844 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:33:57,025 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-11-28 20:33:57,312 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 76 [2019-11-28 20:33:57,600 WARN L192 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-11-28 20:33:57,603 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:33:57,603 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:33:57,603 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:33:57,603 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:33:57,604 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:33:57,604 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:57,604 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:33:57,604 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:33:57,604 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.18-alloca.i_Iteration6_Lasso [2019-11-28 20:33:57,604 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:33:57,604 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:33:57,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:57,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:57,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:57,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:57,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:57,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:57,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:57,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:57,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:57,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:57,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:57,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:57,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:57,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:57,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:57,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:57,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:57,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:57,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:57,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:57,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:57,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:58,243 WARN L192 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-11-28 20:33:58,363 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2019-11-28 20:33:58,601 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-11-28 20:33:59,041 WARN L192 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2019-11-28 20:33:59,108 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:33:59,108 INFO L489 LassoAnalysis]: Using template 'affine'. 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 [2019-11-28 20:33:59,114 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 [2019-11-28 20:33:59,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:59,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:59,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:59,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:59,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:59,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:59,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:59,117 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 [2019-11-28 20:33:59,123 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 [2019-11-28 20:33:59,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:59,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:59,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:59,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:59,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:59,126 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:59,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:59,127 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) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:59,134 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 [2019-11-28 20:33:59,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:59,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:59,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:59,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:59,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:59,136 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:59,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:59,142 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 [2019-11-28 20:33:59,149 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 [2019-11-28 20:33:59,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:59,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:59,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:59,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:59,152 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:59,152 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:59,159 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) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:59,174 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 [2019-11-28 20:33:59,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:59,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:59,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:59,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:59,177 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:59,177 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:59,179 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 [2019-11-28 20:33:59,185 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 [2019-11-28 20:33:59,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:59,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:59,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:59,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:59,190 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:59,191 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:59,194 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 [2019-11-28 20:33:59,199 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 [2019-11-28 20:33:59,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:59,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:59,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:59,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:59,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:59,201 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:59,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:59,204 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) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:59,210 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 [2019-11-28 20:33:59,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:59,212 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:59,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:59,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:59,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:59,213 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:59,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:59,219 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) [2019-11-28 20:33:59,225 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 [2019-11-28 20:33:59,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:59,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:59,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:59,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:59,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:59,228 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:59,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:59,230 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 [2019-11-28 20:33:59,238 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 [2019-11-28 20:33:59,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:59,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:59,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:59,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:59,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:59,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:59,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:59,242 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 [2019-11-28 20:33:59,247 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 [2019-11-28 20:33:59,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:59,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:59,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:59,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:59,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:59,250 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:59,250 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:59,255 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 [2019-11-28 20:33:59,260 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 [2019-11-28 20:33:59,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:59,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:59,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:59,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:59,263 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:59,263 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:59,266 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 [2019-11-28 20:33:59,272 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 [2019-11-28 20:33:59,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:59,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:59,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:59,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:59,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:59,274 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:59,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:59,275 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 [2019-11-28 20:33:59,281 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 [2019-11-28 20:33:59,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:59,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:59,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:59,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:59,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:59,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:59,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:59,284 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 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:33:59,292 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 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:59,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:59,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:59,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:59,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:59,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:59,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:59,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:59,297 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 43 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 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:59,306 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 [2019-11-28 20:33:59,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:59,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:59,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:59,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:59,310 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:59,311 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:59,313 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 44 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 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:59,318 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 [2019-11-28 20:33:59,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:59,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:59,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:59,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:59,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:59,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:59,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:59,321 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 45 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 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:59,331 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 [2019-11-28 20:33:59,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:59,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:59,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:59,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:59,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:59,333 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:59,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:59,334 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 46 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 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:59,339 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 [2019-11-28 20:33:59,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:59,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:59,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:59,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:59,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:59,341 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:59,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:59,344 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 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:33:59,362 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 [2019-11-28 20:33:59,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:59,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:59,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:59,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:59,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:59,365 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:59,365 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:59,367 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 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:33:59,374 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 [2019-11-28 20:33:59,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:59,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:59,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:59,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:59,378 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:59,378 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:59,382 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 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:33:59,391 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 [2019-11-28 20:33:59,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:59,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:59,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:59,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:59,401 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:59,401 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:59,414 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 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:33:59,422 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 [2019-11-28 20:33:59,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:59,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:59,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:59,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:59,427 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:59,427 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:59,433 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 51 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 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:59,440 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 [2019-11-28 20:33:59,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:59,442 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-28 20:33:59,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:59,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:59,455 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-28 20:33:59,456 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:59,481 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:33:59,510 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-11-28 20:33:59,510 INFO L444 ModelExtractionUtils]: 15 out of 34 variables were initially zero. Simplification set additionally 17 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:33:59,519 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:59,524 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 20:33:59,525 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:33:59,525 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(ite ULTIMATE.start_test_fun_#t~short6 1 0)_2) = 1*v_rep(ite ULTIMATE.start_test_fun_#t~short6 1 0)_2 Supporting invariants [] [2019-11-28 20:33:59,566 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2019-11-28 20:33:59,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:33:59,592 INFO L264 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:33:59,592 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:33:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:33:59,606 INFO L264 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 20:33:59,607 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:33:59,636 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-28 20:33:59,636 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 [2019-11-28 20:33:59,636 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 39 transitions. cyclomatic complexity: 12 Second operand 5 states. [2019-11-28 20:33:59,743 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 39 transitions. cyclomatic complexity: 12. Second operand 5 states. Result 73 states and 98 transitions. Complement of second has 10 states. [2019-11-28 20:33:59,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2019-11-28 20:33:59,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 20:33:59,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 20 transitions. [2019-11-28 20:33:59,744 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 3 letters. Loop has 10 letters. [2019-11-28 20:33:59,745 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:33:59,745 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 13 letters. Loop has 10 letters. [2019-11-28 20:33:59,745 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:33:59,747 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 3 letters. Loop has 20 letters. [2019-11-28 20:33:59,748 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:33:59,748 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 98 transitions. [2019-11-28 20:33:59,751 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-28 20:33:59,752 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 65 states and 89 transitions. [2019-11-28 20:33:59,753 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2019-11-28 20:33:59,753 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-11-28 20:33:59,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 89 transitions. [2019-11-28 20:33:59,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:33:59,753 INFO L688 BuchiCegarLoop]: Abstraction has 65 states and 89 transitions. [2019-11-28 20:33:59,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 89 transitions. [2019-11-28 20:33:59,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 55. [2019-11-28 20:33:59,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-28 20:33:59,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2019-11-28 20:33:59,762 INFO L711 BuchiCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-11-28 20:33:59,762 INFO L591 BuchiCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-11-28 20:33:59,762 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-28 20:33:59,762 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 55 states and 79 transitions. [2019-11-28 20:33:59,763 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-28 20:33:59,764 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:33:59,764 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:33:59,764 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:33:59,764 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 20:33:59,765 INFO L794 eck$LassoCheckResult]: Stem: 579#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 571#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~ret20;test_fun_#in~x, test_fun_#in~y := 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~mem7, test_fun_#t~mem8, test_fun_#t~mem10, test_fun_#t~mem9, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~mem4, test_fun_#t~mem5, test_fun_#t~short6, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~short15, test_fun_#t~mem16, test_fun_#t~mem17, test_fun_~x, test_fun_~y, 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_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;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 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); 572#L559-4 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem4 > 0; 615#L553-1 assume !test_fun_#t~short6; 585#L553-3 assume !!test_fun_#t~short6;havoc test_fun_#t~mem4;havoc test_fun_#t~short6;havoc test_fun_#t~mem5;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_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 590#L554 assume test_fun_#t~mem7 > test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8; 580#L555-3 [2019-11-28 20:33:59,765 INFO L796 eck$LassoCheckResult]: Loop: 580#L555-3 call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 581#L555-1 assume !!(test_fun_#t~mem9 > 0);havoc test_fun_#t~mem9;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem10 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem10; 580#L555-3 [2019-11-28 20:33:59,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:59,765 INFO L82 PathProgramCache]: Analyzing trace with hash 889571371, now seen corresponding path program 1 times [2019-11-28 20:33:59,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:59,766 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595214884] [2019-11-28 20:33:59,766 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:33:59,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:33:59,788 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595214884] [2019-11-28 20:33:59,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:33:59,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 20:33:59,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430233203] [2019-11-28 20:33:59,789 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 20:33:59,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:59,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 1 times [2019-11-28 20:33:59,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:59,790 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736559809] [2019-11-28 20:33:59,790 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:59,798 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:33:59,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:33:59,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 20:33:59,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 20:33:59,825 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. cyclomatic complexity: 30 Second operand 3 states. [2019-11-28 20:33:59,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:33:59,835 INFO L93 Difference]: Finished difference Result 59 states and 75 transitions. [2019-11-28 20:33:59,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 20:33:59,836 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 75 transitions. [2019-11-28 20:33:59,837 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-28 20:33:59,838 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 53 states and 67 transitions. [2019-11-28 20:33:59,838 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-28 20:33:59,839 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-28 20:33:59,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 67 transitions. [2019-11-28 20:33:59,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:33:59,839 INFO L688 BuchiCegarLoop]: Abstraction has 53 states and 67 transitions. [2019-11-28 20:33:59,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states and 67 transitions. [2019-11-28 20:33:59,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-11-28 20:33:59,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-28 20:33:59,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 67 transitions. [2019-11-28 20:33:59,844 INFO L711 BuchiCegarLoop]: Abstraction has 53 states and 67 transitions. [2019-11-28 20:33:59,844 INFO L591 BuchiCegarLoop]: Abstraction has 53 states and 67 transitions. [2019-11-28 20:33:59,844 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-11-28 20:33:59,844 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 53 states and 67 transitions. [2019-11-28 20:33:59,845 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-28 20:33:59,845 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:33:59,845 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:33:59,846 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:33:59,846 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 20:33:59,846 INFO L794 eck$LassoCheckResult]: Stem: 699#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 691#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~ret20;test_fun_#in~x, test_fun_#in~y := 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~mem7, test_fun_#t~mem8, test_fun_#t~mem10, test_fun_#t~mem9, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~mem4, test_fun_#t~mem5, test_fun_#t~short6, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~short15, test_fun_#t~mem16, test_fun_#t~mem17, test_fun_~x, test_fun_~y, 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_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;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 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); 692#L559-4 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem4 > 0; 737#L553-1 assume test_fun_#t~short6;call test_fun_#t~mem5 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem5 > 0; 705#L553-3 assume !!test_fun_#t~short6;havoc test_fun_#t~mem4;havoc test_fun_#t~short6;havoc test_fun_#t~mem5;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_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 710#L554 assume test_fun_#t~mem7 > test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8; 700#L555-3 [2019-11-28 20:33:59,846 INFO L796 eck$LassoCheckResult]: Loop: 700#L555-3 call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 701#L555-1 assume !!(test_fun_#t~mem9 > 0);havoc test_fun_#t~mem9;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem10 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem10; 700#L555-3 [2019-11-28 20:33:59,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:59,847 INFO L82 PathProgramCache]: Analyzing trace with hash 889569449, now seen corresponding path program 1 times [2019-11-28 20:33:59,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:59,847 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430037892] [2019-11-28 20:33:59,848 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:59,866 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:33:59,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:59,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 2 times [2019-11-28 20:33:59,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:59,867 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130582732] [2019-11-28 20:33:59,867 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:59,874 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:33:59,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:59,874 INFO L82 PathProgramCache]: Analyzing trace with hash 177749422, now seen corresponding path program 1 times [2019-11-28 20:33:59,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:59,875 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755986735] [2019-11-28 20:33:59,875 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:59,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:59,895 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:34:00,223 WARN L192 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 81 [2019-11-28 20:34:00,334 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:34:00,334 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:34:00,334 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:34:00,334 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:34:00,334 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:34:00,334 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:00,334 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:34:00,334 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:34:00,335 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.18-alloca.i_Iteration8_Lasso [2019-11-28 20:34:00,335 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:34:00,335 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:34:00,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:00,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:00,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:00,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:00,589 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2019-11-28 20:34:00,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:00,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:00,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:00,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:00,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:00,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:00,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:00,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:00,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:00,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:00,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:00,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:00,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:00,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:00,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:00,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:00,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:00,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:00,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:01,037 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:34:01,037 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 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 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:01,046 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 [2019-11-28 20:34:01,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:01,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:01,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:01,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:01,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:01,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:01,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:01,049 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 54 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 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:01,055 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 [2019-11-28 20:34:01,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:01,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:01,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:01,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:01,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:01,057 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:01,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:01,058 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 55 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 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:01,064 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 [2019-11-28 20:34:01,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:01,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:01,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:01,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:01,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:01,066 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:01,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:01,068 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 56 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 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:01,073 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 [2019-11-28 20:34:01,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:01,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:01,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:01,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:01,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:01,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:34:01,080 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 57 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 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:01,085 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 [2019-11-28 20:34:01,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:01,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:01,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:01,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:01,088 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:01,088 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:34:01,094 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 58 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 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:01,100 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 [2019-11-28 20:34:01,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:01,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:01,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:01,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:01,106 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:01,106 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:34:01,115 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 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:01,125 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 [2019-11-28 20:34:01,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:01,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:01,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:01,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:01,131 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:01,131 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:01,143 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:34:01,167 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2019-11-28 20:34:01,167 INFO L444 ModelExtractionUtils]: 8 out of 28 variables were initially zero. Simplification set additionally 18 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 60 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 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:01,172 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:34:01,174 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 20:34:01,174 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:34:01,174 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)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_3 Supporting invariants [] [2019-11-28 20:34:01,203 INFO L297 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2019-11-28 20:34:01,205 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-28 20:34:01,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:34:01,232 INFO L264 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:34:01,233 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:34:01,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:34:01,239 INFO L264 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 20:34:01,239 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:34:01,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:34:01,249 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 20:34:01,250 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 53 states and 67 transitions. cyclomatic complexity: 20 Second operand 3 states. [2019-11-28 20:34:01,293 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 53 states and 67 transitions. cyclomatic complexity: 20. Second operand 3 states. Result 149 states and 188 transitions. Complement of second has 6 states. [2019-11-28 20:34:01,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 20:34:01,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 20:34:01,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2019-11-28 20:34:01,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-28 20:34:01,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:34:01,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 8 letters. Loop has 2 letters. [2019-11-28 20:34:01,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:34:01,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-28 20:34:01,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:34:01,300 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 149 states and 188 transitions. [2019-11-28 20:34:01,301 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-28 20:34:01,302 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 149 states to 56 states and 67 transitions. [2019-11-28 20:34:01,302 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2019-11-28 20:34:01,302 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2019-11-28 20:34:01,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 67 transitions. [2019-11-28 20:34:01,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:34:01,302 INFO L688 BuchiCegarLoop]: Abstraction has 56 states and 67 transitions. [2019-11-28 20:34:01,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 67 transitions. [2019-11-28 20:34:01,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 30. [2019-11-28 20:34:01,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-28 20:34:01,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2019-11-28 20:34:01,305 INFO L711 BuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2019-11-28 20:34:01,306 INFO L591 BuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2019-11-28 20:34:01,306 INFO L424 BuchiCegarLoop]: ======== Iteration 9============ [2019-11-28 20:34:01,306 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 37 transitions. [2019-11-28 20:34:01,306 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 20:34:01,306 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:34:01,306 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:34:01,307 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:34:01,307 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 20:34:01,307 INFO L794 eck$LassoCheckResult]: Stem: 986#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 980#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~ret20;test_fun_#in~x, test_fun_#in~y := 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~mem7, test_fun_#t~mem8, test_fun_#t~mem10, test_fun_#t~mem9, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~mem4, test_fun_#t~mem5, test_fun_#t~short6, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~short15, test_fun_#t~mem16, test_fun_#t~mem17, test_fun_~x, test_fun_~y, 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_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;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 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); 981#L559-4 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem4 > 0; 993#L553-1 assume test_fun_#t~short6;call test_fun_#t~mem5 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem5 > 0; 1002#L553-3 assume !!test_fun_#t~short6;havoc test_fun_#t~mem4;havoc test_fun_#t~short6;havoc test_fun_#t~mem5;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_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 1001#L554 assume !(test_fun_#t~mem7 > test_fun_#t~mem8);havoc test_fun_#t~mem7;havoc test_fun_#t~mem8; 1000#L559-3 call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 999#L559-1 assume !!(test_fun_#t~mem11 > 0);havoc test_fun_#t~mem11;call test_fun_#t~mem12 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem12; 997#L559-3 call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 982#L559-1 [2019-11-28 20:34:01,307 INFO L796 eck$LassoCheckResult]: Loop: 982#L559-1 assume !!(test_fun_#t~mem11 > 0);havoc test_fun_#t~mem11;call test_fun_#t~mem12 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem12; 983#L559-3 call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 982#L559-1 [2019-11-28 20:34:01,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:01,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1215726572, now seen corresponding path program 1 times [2019-11-28 20:34:01,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:34:01,308 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272373134] [2019-11-28 20:34:01,308 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:34:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:01,327 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:34:01,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:01,328 INFO L82 PathProgramCache]: Analyzing trace with hash 2428, now seen corresponding path program 1 times [2019-11-28 20:34:01,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:34:01,328 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679346795] [2019-11-28 20:34:01,328 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:34:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:01,334 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:34:01,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:01,335 INFO L82 PathProgramCache]: Analyzing trace with hash 82132647, now seen corresponding path program 2 times [2019-11-28 20:34:01,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:34:01,335 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241847133] [2019-11-28 20:34:01,335 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:34:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:01,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:01,357 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:34:01,757 WARN L192 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 97 [2019-11-28 20:34:01,895 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-11-28 20:34:01,898 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:34:01,898 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:34:01,898 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:34:01,898 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:34:01,898 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:34:01,898 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:01,898 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:34:01,899 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:34:01,899 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.18-alloca.i_Iteration9_Lasso [2019-11-28 20:34:01,899 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:34:01,899 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:34:01,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:01,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:01,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:01,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:01,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:01,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:02,151 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-11-28 20:34:02,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:02,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:02,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:02,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:02,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:02,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:02,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:02,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:02,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:02,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:02,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:02,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:02,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:02,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:02,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:02,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:02,651 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:34:02,652 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:02,656 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 [2019-11-28 20:34:02,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:02,658 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:02,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:02,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:02,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:02,659 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:02,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:02,663 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 62 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 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:02,670 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 [2019-11-28 20:34:02,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:02,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:02,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:02,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:02,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:02,672 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:02,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:02,673 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 63 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 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:02,678 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 [2019-11-28 20:34:02,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:02,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:02,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:02,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:02,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:02,681 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:02,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:02,682 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 64 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 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:02,688 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 [2019-11-28 20:34:02,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:02,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:02,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:02,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:02,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:02,690 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:02,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:02,691 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 65 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 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:02,697 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 [2019-11-28 20:34:02,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:02,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:02,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:02,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:02,700 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:02,700 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:34:02,703 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 66 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 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:02,709 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 [2019-11-28 20:34:02,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:02,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:02,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:02,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:02,713 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:02,713 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:34:02,723 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 67 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 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:02,728 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 [2019-11-28 20:34:02,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:02,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:02,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:02,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:02,736 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:02,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:34:02,747 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 68 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 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:02,753 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 [2019-11-28 20:34:02,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:02,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:02,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:02,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:02,756 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:02,756 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:34:02,759 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 69 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 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:02,767 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 [2019-11-28 20:34:02,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:02,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:02,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:02,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:02,771 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:02,771 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:34:02,777 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 70 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 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:02,782 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 [2019-11-28 20:34:02,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:02,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:02,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:02,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:02,786 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:02,786 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:34:02,794 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 71 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 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:02,799 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 [2019-11-28 20:34:02,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:02,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:02,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:02,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:02,806 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:02,806 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:34:02,820 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:34:02,858 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2019-11-28 20:34:02,858 INFO L444 ModelExtractionUtils]: 8 out of 31 variables were initially zero. Simplification set additionally 19 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 72 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 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:02,862 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:34:02,864 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-28 20:34:02,864 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:34:02,864 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_fun_#t~mem11) = 1*ULTIMATE.start_test_fun_#t~mem11 Supporting invariants [1*ULTIMATE.start_test_fun_#t~mem11 - 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_4 >= 0] [2019-11-28 20:34:02,900 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2019-11-28 20:34:02,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:34:02,972 INFO L264 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-28 20:34:02,973 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:34:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:34:02,978 INFO L264 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 20:34:02,978 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:34:02,986 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2019-11-28 20:34:02,987 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:34:02,992 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:34:02,992 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 20:34:02,992 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:13 [2019-11-28 20:34:03,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:34:03,013 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 20:34:03,013 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 37 transitions. cyclomatic complexity: 10 Second operand 3 states. [2019-11-28 20:34:03,051 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 37 transitions. cyclomatic complexity: 10. Second operand 3 states. Result 61 states and 76 transitions. Complement of second has 5 states. [2019-11-28 20:34:03,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:34:03,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 20:34:03,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2019-11-28 20:34:03,054 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 9 letters. Loop has 2 letters. [2019-11-28 20:34:03,054 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:34:03,054 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 11 letters. Loop has 2 letters. [2019-11-28 20:34:03,055 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:34:03,055 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 9 letters. Loop has 4 letters. [2019-11-28 20:34:03,055 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:34:03,055 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 76 transitions. [2019-11-28 20:34:03,056 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 20:34:03,057 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 54 states and 66 transitions. [2019-11-28 20:34:03,057 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2019-11-28 20:34:03,057 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2019-11-28 20:34:03,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 66 transitions. [2019-11-28 20:34:03,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:34:03,057 INFO L688 BuchiCegarLoop]: Abstraction has 54 states and 66 transitions. [2019-11-28 20:34:03,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 66 transitions. [2019-11-28 20:34:03,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 47. [2019-11-28 20:34:03,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-28 20:34:03,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 57 transitions. [2019-11-28 20:34:03,062 INFO L711 BuchiCegarLoop]: Abstraction has 47 states and 57 transitions. [2019-11-28 20:34:03,062 INFO L591 BuchiCegarLoop]: Abstraction has 47 states and 57 transitions. [2019-11-28 20:34:03,062 INFO L424 BuchiCegarLoop]: ======== Iteration 10============ [2019-11-28 20:34:03,062 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states and 57 transitions. [2019-11-28 20:34:03,063 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 20:34:03,063 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:34:03,063 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:34:03,064 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [4, 2, 2, 2, 2, 2, 1, 1, 1] [2019-11-28 20:34:03,064 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 20:34:03,064 INFO L794 eck$LassoCheckResult]: Stem: 1180#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1174#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~ret20;test_fun_#in~x, test_fun_#in~y := 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~mem7, test_fun_#t~mem8, test_fun_#t~mem10, test_fun_#t~mem9, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~mem4, test_fun_#t~mem5, test_fun_#t~short6, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~short15, test_fun_#t~mem16, test_fun_#t~mem17, test_fun_~x, test_fun_~y, 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_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;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 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); 1175#L559-4 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem4 > 0; 1189#L553-1 assume test_fun_#t~short6;call test_fun_#t~mem5 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem5 > 0; 1182#L553-3 assume !!test_fun_#t~short6;havoc test_fun_#t~mem4;havoc test_fun_#t~short6;havoc test_fun_#t~mem5;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_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 1219#L554 assume !(test_fun_#t~mem7 > test_fun_#t~mem8);havoc test_fun_#t~mem7;havoc test_fun_#t~mem8; 1217#L559-3 call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 1178#L559-1 assume !!(test_fun_#t~mem11 > 0);havoc test_fun_#t~mem11;call test_fun_#t~mem12 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem12; 1179#L559-3 call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 1194#L559-1 assume !(test_fun_#t~mem11 > 0);havoc test_fun_#t~mem11; 1200#L559-4 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem4 > 0; 1199#L553-1 assume test_fun_#t~short6;call test_fun_#t~mem5 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short6 := test_fun_#t~mem5 > 0; 1198#L553-3 assume !!test_fun_#t~short6;havoc test_fun_#t~mem4;havoc test_fun_#t~short6;havoc test_fun_#t~mem5;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_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 1197#L554 assume !(test_fun_#t~mem7 > test_fun_#t~mem8);havoc test_fun_#t~mem7;havoc test_fun_#t~mem8; 1196#L559-3 call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 1195#L559-1 assume !!(test_fun_#t~mem11 > 0);havoc test_fun_#t~mem11;call test_fun_#t~mem12 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem12; 1193#L559-3 call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 1176#L559-1 [2019-11-28 20:34:03,065 INFO L796 eck$LassoCheckResult]: Loop: 1176#L559-1 assume !!(test_fun_#t~mem11 > 0);havoc test_fun_#t~mem11;call test_fun_#t~mem12 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem12; 1177#L559-3 call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 1176#L559-1 [2019-11-28 20:34:03,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:03,065 INFO L82 PathProgramCache]: Analyzing trace with hash -2055714993, now seen corresponding path program 2 times [2019-11-28 20:34:03,065 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:34:03,066 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584349884] [2019-11-28 20:34:03,066 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:34:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:34:03,102 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-28 20:34:03,102 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584349884] [2019-11-28 20:34:03,103 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:34:03,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 20:34:03,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596415914] [2019-11-28 20:34:03,103 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 20:34:03,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:03,104 INFO L82 PathProgramCache]: Analyzing trace with hash 2428, now seen corresponding path program 2 times [2019-11-28 20:34:03,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:34:03,104 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005696227] [2019-11-28 20:34:03,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:34:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:03,111 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:34:03,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:34:03,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 20:34:03,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:34:03,140 INFO L87 Difference]: Start difference. First operand 47 states and 57 transitions. cyclomatic complexity: 14 Second operand 5 states. [2019-11-28 20:34:03,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:34:03,199 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2019-11-28 20:34:03,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 20:34:03,199 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 37 transitions. [2019-11-28 20:34:03,200 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:34:03,200 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2019-11-28 20:34:03,200 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:34:03,200 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:34:03,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:34:03,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:34:03,200 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:34:03,201 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:34:03,201 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:34:03,201 INFO L424 BuchiCegarLoop]: ======== Iteration 11============ [2019-11-28 20:34:03,201 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 20:34:03,201 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:34:03,201 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 20:34:03,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:34:03 BoogieIcfgContainer [2019-11-28 20:34:03,212 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:34:03,214 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:34:03,214 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:34:03,214 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:34:03,215 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:33:40" (3/4) ... [2019-11-28 20:34:03,234 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:34:03,234 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:34:03,235 INFO L168 Benchmark]: Toolchain (without parser) took 24126.33 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 361.2 MB). Free memory was 955.0 MB in the beginning and 1.3 GB in the end (delta: -363.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:34:03,236 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:34:03,236 INFO L168 Benchmark]: CACSL2BoogieTranslator took 687.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -164.8 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2019-11-28 20:34:03,236 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.50 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 20:34:03,237 INFO L168 Benchmark]: Boogie Preprocessor took 37.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:34:03,237 INFO L168 Benchmark]: RCFGBuilder took 459.47 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: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-28 20:34:03,238 INFO L168 Benchmark]: BuchiAutomizer took 22864.30 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 222.8 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -228.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:34:03,238 INFO L168 Benchmark]: Witness Printer took 20.18 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:34:03,240 INFO L335 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 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 687.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -164.8 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.50 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 459.47 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: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 22864.30 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 222.8 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -228.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 20.18 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 10 terminating modules (6 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[y_ref][y_ref] and consists of 6 locations. One deterministic module has affine ranking function (if aux-(*x_ref > 0) && (*y_ref > 0)-aux then 1 else 0) and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 4 locations. One deterministic module has affine ranking function org.eclipse.cdt.internal.core.dom.parser.c.CASTIdExpression@3b30abd and consists of 3 locations. 6 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 22.8s and 11 iterations. TraceHistogramMax:4. Analysis of lassos took 9.3s. Construction of modules took 12.4s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 57 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 55 states and ocurred in iteration 6. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 8/8 HoareTripleCheckerStatistics: 117 SDtfs, 89 SDslu, 103 SDs, 0 SdLazy, 236 SolverSat, 38 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 12.4s Time LassoAnalysisResults: nont0 unkn0 SFLI4 SFLT0 conc0 concLT0 SILN0 SILU2 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital240 mio100 ax108 hnf99 lsp81 ukn73 mio100 lsp33 div100 bol103 ite100 ukn100 eq176 hnf89 smp96 dnf138 smp89 tf100 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 89ms VariablesStem: 10 VariablesLoop: 7 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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...