./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/array03-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab 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/array-memsafety/array03-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.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 32bit --witnessprinter.graph.data.programhash 7541988e6da98f0cff4ac2bb6ea7091660417951 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:52:49,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:52:49,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:52:49,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:52:49,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:52:49,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:52:49,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:52:49,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:52:49,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:52:49,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:52:49,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:52:49,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:52:49,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:52:49,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:52:49,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:52:49,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:52:49,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:52:49,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:52:49,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:52:49,878 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:52:49,880 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:52:49,881 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:52:49,882 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:52:49,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:52:49,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:52:49,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:52:49,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:52:49,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:52:49,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:52:49,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:52:49,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:52:49,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:52:49,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:52:49,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:52:49,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:52:49,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:52:49,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:52:49,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:52:49,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:52:49,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:52:49,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:52:49,909 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:52:49,931 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:52:49,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:52:49,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:52:49,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:52:49,935 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:52:49,935 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:52:49,935 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:52:49,935 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:52:49,936 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:52:49,936 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:52:49,937 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:52:49,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:52:49,938 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:52:49,938 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:52:49,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:52:49,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:52:49,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:52:49,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:52:49,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:52:49,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:52:49,941 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:52:49,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:52:49,941 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:52:49,941 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:52:49,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:52:49,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:52:49,942 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:52:49,942 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:52:49,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:52:49,943 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:52:49,943 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:52:49,946 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:52:49,946 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7541988e6da98f0cff4ac2bb6ea7091660417951 [2019-11-28 03:52:50,289 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:52:50,306 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:52:50,312 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:52:50,314 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:52:50,314 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:52:50,315 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/array03-alloca-2.i [2019-11-28 03:52:50,387 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a4075bb6/582e7570017247de93a3cea34ccc2e7c/FLAGd9a405e07 [2019-11-28 03:52:50,888 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:52:50,889 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/array03-alloca-2.i [2019-11-28 03:52:50,908 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a4075bb6/582e7570017247de93a3cea34ccc2e7c/FLAGd9a405e07 [2019-11-28 03:52:51,213 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a4075bb6/582e7570017247de93a3cea34ccc2e7c [2019-11-28 03:52:51,217 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:52:51,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:52:51,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:52:51,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:52:51,224 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:52:51,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:52:51" (1/1) ... [2019-11-28 03:52:51,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ceee9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:51, skipping insertion in model container [2019-11-28 03:52:51,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:52:51" (1/1) ... [2019-11-28 03:52:51,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:52:51,287 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:52:51,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:52:51,721 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:52:51,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:52:51,857 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:52:51,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:51 WrapperNode [2019-11-28 03:52:51,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:52:51,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:52:51,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:52:51,862 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:52:51,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:51" (1/1) ... [2019-11-28 03:52:51,895 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:51" (1/1) ... [2019-11-28 03:52:51,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:52:51,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:52:51,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:52:51,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:52:51,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:51" (1/1) ... [2019-11-28 03:52:51,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:51" (1/1) ... [2019-11-28 03:52:51,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:51" (1/1) ... [2019-11-28 03:52:51,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:51" (1/1) ... [2019-11-28 03:52:51,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:51" (1/1) ... [2019-11-28 03:52:51,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:51" (1/1) ... [2019-11-28 03:52:51,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:51" (1/1) ... [2019-11-28 03:52:51,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:52:51,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:52:51,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:52:51,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:52:51,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:51" (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 03:52:52,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 03:52:52,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 03:52:52,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:52:52,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 03:52:52,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:52:52,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:52:52,366 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:52:52,367 INFO L297 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-28 03:52:52,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:52:52 BoogieIcfgContainer [2019-11-28 03:52:52,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:52:52,369 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:52:52,369 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:52:52,372 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:52:52,373 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:52:52,374 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:52:51" (1/3) ... [2019-11-28 03:52:52,375 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6dfb4f36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:52:52, skipping insertion in model container [2019-11-28 03:52:52,375 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:52:52,375 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:51" (2/3) ... [2019-11-28 03:52:52,376 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6dfb4f36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:52:52, skipping insertion in model container [2019-11-28 03:52:52,376 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:52:52,376 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:52:52" (3/3) ... [2019-11-28 03:52:52,378 INFO L371 chiAutomizerObserver]: Analyzing ICFG array03-alloca-2.i [2019-11-28 03:52:52,418 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:52:52,418 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:52:52,418 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:52:52,418 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:52:52,419 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:52:52,419 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:52:52,419 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:52:52,419 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:52:52,433 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-28 03:52:52,456 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-11-28 03:52:52,456 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:52:52,457 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:52:52,464 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-28 03:52:52,464 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:52:52,464 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:52:52,465 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-28 03:52:52,467 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-11-28 03:52:52,467 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:52:52,467 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:52:52,468 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-28 03:52:52,468 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:52:52,476 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet12, main_#t~post11, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 11#L532true assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 16#L532-2true call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;main_~k~0 := 0; 6#L537-3true [2019-11-28 03:52:52,476 INFO L796 eck$LassoCheckResult]: Loop: 6#L537-3true assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet12, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet12; 4#L537-2true main_#t~post11 := main_~k~0;main_~k~0 := 1 + main_#t~post11;havoc main_#t~post11; 6#L537-3true [2019-11-28 03:52:52,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:52,481 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2019-11-28 03:52:52,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:52,489 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023344359] [2019-11-28 03:52:52,489 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:52,621 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:52,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:52,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2019-11-28 03:52:52,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:52,623 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633544628] [2019-11-28 03:52:52,623 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:52,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:52,645 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:52,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:52,647 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2019-11-28 03:52:52,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:52,647 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793669472] [2019-11-28 03:52:52,648 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:52,705 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:52,917 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-11-28 03:52:52,978 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:52:52,979 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:52:52,979 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:52:52,979 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:52:52,980 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:52:52,980 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:52,980 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:52:52,980 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:52:52,981 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-2.i_Iteration1_Lasso [2019-11-28 03:52:52,981 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:52:52,981 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:52:53,013 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 03:52:53,021 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 03:52:53,026 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 03:52:53,035 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 03:52:53,040 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 03:52:53,194 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 03:52:53,201 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 03:52:53,206 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 03:52:53,213 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 03:52:53,505 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:52:53,510 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:52:53,529 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 03:52:53,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:53,532 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:53,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:53,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:53,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:53,537 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:53,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:53,544 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:53,554 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 03:52:53,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:53,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:53,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:53,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:53,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:53,559 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:53,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:52:53,562 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 03:52:53,597 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 03:52:53,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:53,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:53,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:53,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:53,610 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:53,611 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:52:53,618 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 03:52:53,641 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 03:52:53,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:53,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:53,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:53,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:53,650 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:53,650 INFO L402 nArgumentSynthesizer]: A total of 2 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 03:52:53,656 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 03:52:53,675 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 03:52:53,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:53,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:53,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:53,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:53,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:53,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:53,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:53,686 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:52:53,703 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 03:52:53,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:53,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:53,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:53,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:53,726 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:53,729 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:53,750 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:52:53,801 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-11-28 03:52:53,802 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. 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) [2019-11-28 03:52:53,818 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:53,823 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-28 03:52:53,824 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:52:53,825 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0, v_rep(select #length ULTIMATE.start_main_~numbers~0.base)_1) = -4*ULTIMATE.start_main_~k~0 + 1*v_rep(select #length ULTIMATE.start_main_~numbers~0.base)_1 Supporting invariants [1*ULTIMATE.start_main_~numbers~0.offset >= 0] [2019-11-28 03:52:53,852 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2019-11-28 03:52:53,866 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-28 03:52:53,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:52:53,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:52:53,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:52:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:52:53,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 03:52:53,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:52:53,982 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 03:52:54,000 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 03:52:54,002 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states. Second operand 3 states. [2019-11-28 03:52:54,130 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states.. Second operand 3 states. Result 44 states and 65 transitions. Complement of second has 7 states. [2019-11-28 03:52:54,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 03:52:54,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 03:52:54,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2019-11-28 03:52:54,137 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-28 03:52:54,138 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:52:54,139 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-28 03:52:54,139 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:52:54,139 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 4 letters. Loop has 4 letters. [2019-11-28 03:52:54,139 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:52:54,140 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 65 transitions. [2019-11-28 03:52:54,145 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-28 03:52:54,151 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 15 states and 21 transitions. [2019-11-28 03:52:54,152 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-11-28 03:52:54,153 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-28 03:52:54,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 21 transitions. [2019-11-28 03:52:54,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:52:54,154 INFO L688 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2019-11-28 03:52:54,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 21 transitions. [2019-11-28 03:52:54,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-11-28 03:52:54,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-28 03:52:54,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2019-11-28 03:52:54,188 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2019-11-28 03:52:54,188 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2019-11-28 03:52:54,188 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:52:54,189 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 21 transitions. [2019-11-28 03:52:54,189 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-28 03:52:54,190 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:52:54,190 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:52:54,190 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:52:54,190 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:52:54,191 INFO L794 eck$LassoCheckResult]: Stem: 141#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 138#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet12, main_#t~post11, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 139#L532 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 140#L532-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;main_~k~0 := 0; 133#L537-3 assume !(main_~k~0 < main_~array_size~0); 134#L537-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 129#L516-3 [2019-11-28 03:52:54,191 INFO L796 eck$LassoCheckResult]: Loop: 129#L516-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 132#L518 assume 0 == test_fun_#t~mem3;havoc test_fun_#t~mem3;test_fun_~res~0 := 1; 137#L523-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 135#L523 assume !(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5; 136#L523-3 call write~int(test_fun_~res~0, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 128#L516-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 129#L516-3 [2019-11-28 03:52:54,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:54,192 INFO L82 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2019-11-28 03:52:54,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:54,192 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287677246] [2019-11-28 03:52:54,193 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:52:54,310 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 03:52:54,310 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287677246] [2019-11-28 03:52:54,311 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:52:54,311 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 03:52:54,311 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118497719] [2019-11-28 03:52:54,314 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 03:52:54,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:54,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1807826313, now seen corresponding path program 1 times [2019-11-28 03:52:54,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:54,315 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864016024] [2019-11-28 03:52:54,316 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:54,333 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:54,426 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:52:54,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 03:52:54,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 03:52:54,431 INFO L87 Difference]: Start difference. First operand 15 states and 21 transitions. cyclomatic complexity: 8 Second operand 4 states. [2019-11-28 03:52:54,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:52:54,456 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions. [2019-11-28 03:52:54,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 03:52:54,458 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 21 transitions. [2019-11-28 03:52:54,459 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-28 03:52:54,459 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 21 transitions. [2019-11-28 03:52:54,459 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-28 03:52:54,460 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-28 03:52:54,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2019-11-28 03:52:54,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:52:54,460 INFO L688 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2019-11-28 03:52:54,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2019-11-28 03:52:54,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2019-11-28 03:52:54,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-28 03:52:54,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2019-11-28 03:52:54,463 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2019-11-28 03:52:54,463 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2019-11-28 03:52:54,463 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:52:54,463 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2019-11-28 03:52:54,464 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-28 03:52:54,464 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:52:54,464 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:52:54,465 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:52:54,465 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:52:54,465 INFO L794 eck$LassoCheckResult]: Stem: 179#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 176#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet12, main_#t~post11, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 177#L532 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 178#L532-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;main_~k~0 := 0; 171#L537-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet12, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet12; 168#L537-2 main_#t~post11 := main_~k~0;main_~k~0 := 1 + main_#t~post11;havoc main_#t~post11; 169#L537-3 assume !(main_~k~0 < main_~array_size~0); 172#L537-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 167#L516-3 [2019-11-28 03:52:54,466 INFO L796 eck$LassoCheckResult]: Loop: 167#L516-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 170#L518 assume 0 == test_fun_#t~mem3;havoc test_fun_#t~mem3;test_fun_~res~0 := 1; 175#L523-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 173#L523 assume !(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5; 174#L523-3 call write~int(test_fun_~res~0, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 166#L516-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 167#L516-3 [2019-11-28 03:52:54,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:54,466 INFO L82 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2019-11-28 03:52:54,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:54,467 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942995223] [2019-11-28 03:52:54,467 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:54,500 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:54,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:54,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1807826313, now seen corresponding path program 2 times [2019-11-28 03:52:54,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:54,502 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916184724] [2019-11-28 03:52:54,503 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:54,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:54,537 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:54,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:54,538 INFO L82 PathProgramCache]: Analyzing trace with hash -260572169, now seen corresponding path program 1 times [2019-11-28 03:52:54,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:54,541 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845615341] [2019-11-28 03:52:54,542 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:54,617 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:54,943 WARN L192 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 66 [2019-11-28 03:52:55,034 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:52:55,035 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:52:55,035 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:52:55,035 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:52:55,035 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:52:55,035 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:55,036 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:52:55,036 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:52:55,036 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-2.i_Iteration3_Lasso [2019-11-28 03:52:55,037 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:52:55,037 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:52:55,044 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 03:52:55,048 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 03:52:55,050 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 03:52:55,053 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 03:52:55,056 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 03:52:55,059 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 03:52:55,063 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 03:52:55,066 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 03:52:55,070 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 03:52:55,072 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 03:52:55,075 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 03:52:55,077 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 03:52:55,081 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 03:52:55,275 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2019-11-28 03:52:55,305 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 03:52:55,308 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 03:52:55,310 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 03:52:55,313 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 03:52:55,517 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-11-28 03:52:55,709 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:52:55,710 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2019-11-28 03:52:55,726 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 03:52:55,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:55,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:55,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:55,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:55,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:55,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:55,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:55,733 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:52:55,750 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 03:52:55,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:55,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:55,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:55,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:55,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:55,755 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:55,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:55,758 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 03:52:55,766 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 03:52:55,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:55,769 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:55,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:55,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:55,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:55,770 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:55,770 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:52:55,772 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:52:55,784 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 03:52:55,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:55,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:55,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:55,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:55,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:55,787 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:55,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:55,790 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 03:52:55,800 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 03:52:55,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:55,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:55,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:55,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:55,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:55,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:55,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:52:55,809 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) [2019-11-28 03:52:55,831 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 03:52:55,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:55,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:55,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:55,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:55,836 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:55,836 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:55,840 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 03:52:55,856 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 03:52:55,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:55,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:55,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:55,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:55,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:55,860 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:55,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:52:55,862 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) [2019-11-28 03:52:55,871 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 03:52:55,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:55,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:55,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:55,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:55,876 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:55,876 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:55,880 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 03:52:55,891 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 03:52:55,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:55,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:55,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:55,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:55,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:55,895 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:55,895 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:52:55,897 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 03:52:55,910 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 03:52:55,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:55,911 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:55,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:55,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:55,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:55,913 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:55,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:52:55,915 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 03:52:55,932 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 03:52:55,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:55,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:55,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:55,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:55,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:55,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:55,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:52:55,940 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 03:52:55,949 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 03:52:55,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:55,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:55,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:55,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:55,955 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:55,955 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:52:55,960 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) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:55,974 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 03:52:55,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:55,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:55,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:55,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:55,980 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:55,980 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:52:55,987 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) [2019-11-28 03:52:55,998 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 03:52:56,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:56,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:56,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:56,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:56,006 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:56,006 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:56,016 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) [2019-11-28 03:52:56,023 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 03:52:56,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:56,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:56,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:56,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:56,028 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:56,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:56,034 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:56,042 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 03:52:56,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:56,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:56,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:56,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:56,047 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:56,047 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:52:56,054 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 03:52:56,060 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 03:52:56,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:56,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:56,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:56,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:56,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:56,063 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:56,063 INFO L402 nArgumentSynthesizer]: A total of 0 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 03:52:56,066 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) [2019-11-28 03:52:56,073 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 03:52:56,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:56,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:56,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:56,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:56,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:56,085 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:56,104 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:52:56,261 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2019-11-28 03:52:56,261 INFO L444 ModelExtractionUtils]: 18 out of 37 variables were initially zero. Simplification set additionally 16 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) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:56,273 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:52:56,276 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:52:56,277 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:52:56,277 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_fun_~N, ULTIMATE.start_test_fun_~i~0) = 1*ULTIMATE.start_test_fun_~N - 1*ULTIMATE.start_test_fun_~i~0 Supporting invariants [] [2019-11-28 03:52:56,295 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2019-11-28 03:52:56,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:52:56,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:52:56,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:52:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:52:56,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:52:56,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:52:56,367 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 03:52:56,369 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 03:52:56,369 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand 3 states. [2019-11-28 03:52:56,401 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 22 states and 31 transitions. Complement of second has 4 states. [2019-11-28 03:52:56,402 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 03:52:56,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 03:52:56,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2019-11-28 03:52:56,403 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 8 letters. Loop has 6 letters. [2019-11-28 03:52:56,403 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:52:56,403 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 14 letters. Loop has 6 letters. [2019-11-28 03:52:56,403 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:52:56,405 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 8 letters. Loop has 12 letters. [2019-11-28 03:52:56,406 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:52:56,406 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 31 transitions. [2019-11-28 03:52:56,407 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:52:56,408 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 20 states and 29 transitions. [2019-11-28 03:52:56,408 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-28 03:52:56,408 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-28 03:52:56,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 29 transitions. [2019-11-28 03:52:56,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:52:56,411 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2019-11-28 03:52:56,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 29 transitions. [2019-11-28 03:52:56,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-11-28 03:52:56,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-28 03:52:56,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. [2019-11-28 03:52:56,418 INFO L711 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2019-11-28 03:52:56,419 INFO L591 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2019-11-28 03:52:56,419 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-28 03:52:56,419 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 29 transitions. [2019-11-28 03:52:56,420 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:52:56,421 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:52:56,421 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:52:56,422 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:52:56,422 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:52:56,422 INFO L794 eck$LassoCheckResult]: Stem: 298#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 295#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet12, main_#t~post11, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 296#L532 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 297#L532-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;main_~k~0 := 0; 288#L537-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet12, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet12; 283#L537-2 main_#t~post11 := main_~k~0;main_~k~0 := 1 + main_#t~post11;havoc main_#t~post11; 284#L537-3 assume !(main_~k~0 < main_~array_size~0); 289#L537-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 285#L516-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 287#L518 assume 0 == test_fun_#t~mem3;havoc test_fun_#t~mem3;test_fun_~res~0 := 1; 291#L523-2 [2019-11-28 03:52:56,423 INFO L796 eck$LassoCheckResult]: Loop: 291#L523-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 290#L523 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 291#L523-2 [2019-11-28 03:52:56,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:56,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1899811566, now seen corresponding path program 1 times [2019-11-28 03:52:56,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:56,424 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9625237] [2019-11-28 03:52:56,424 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:56,494 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:56,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:56,495 INFO L82 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 1 times [2019-11-28 03:52:56,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:56,495 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124257847] [2019-11-28 03:52:56,496 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:56,503 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-28 03:52:56,504 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2113123743] [2019-11-28 03:52:56,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 03:52:56,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:56,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:56,549 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:56,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:56,550 INFO L82 PathProgramCache]: Analyzing trace with hash -357812649, now seen corresponding path program 1 times [2019-11-28 03:52:56,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:56,550 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010619420] [2019-11-28 03:52:56,550 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:56,558 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-28 03:52:56,558 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1335981533] [2019-11-28 03:52:56,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 03:52:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:52:56,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:52:56,605 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:52:56,649 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 23 treesize of output 7 [2019-11-28 03:52:56,650 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 03:52:56,652 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 03:52:56,653 INFO L508 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 03:52:56,653 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:23, output treesize:3 [2019-11-28 03:52:56,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 03:52:56,659 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010619420] [2019-11-28 03:52:56,660 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-28 03:52:56,660 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335981533] [2019-11-28 03:52:56,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:52:56,660 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 03:52:56,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908815620] [2019-11-28 03:52:56,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:52:56,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 03:52:56,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 03:52:56,696 INFO L87 Difference]: Start difference. First operand 20 states and 29 transitions. cyclomatic complexity: 12 Second operand 5 states. [2019-11-28 03:52:56,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:52:56,749 INFO L93 Difference]: Finished difference Result 25 states and 33 transitions. [2019-11-28 03:52:56,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 03:52:56,749 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 33 transitions. [2019-11-28 03:52:56,751 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:52:56,754 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 23 states and 31 transitions. [2019-11-28 03:52:56,754 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-28 03:52:56,755 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-28 03:52:56,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 31 transitions. [2019-11-28 03:52:56,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:52:56,755 INFO L688 BuchiCegarLoop]: Abstraction has 23 states and 31 transitions. [2019-11-28 03:52:56,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 31 transitions. [2019-11-28 03:52:56,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2019-11-28 03:52:56,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-28 03:52:56,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions. [2019-11-28 03:52:56,758 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2019-11-28 03:52:56,758 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2019-11-28 03:52:56,758 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-28 03:52:56,758 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 30 transitions. [2019-11-28 03:52:56,761 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:52:56,761 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:52:56,761 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:52:56,761 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:52:56,761 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:52:56,763 INFO L794 eck$LassoCheckResult]: Stem: 389#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 384#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet12, main_#t~post11, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 385#L532 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 386#L532-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;main_~k~0 := 0; 378#L537-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet12, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet12; 373#L537-2 main_#t~post11 := main_~k~0;main_~k~0 := 1 + main_#t~post11;havoc main_#t~post11; 374#L537-3 assume !(main_~k~0 < main_~array_size~0); 379#L537-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 375#L516-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 377#L518 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 390#L520 assume !(test_fun_#t~mem4 < 0);havoc test_fun_#t~mem4; 381#L523-2 [2019-11-28 03:52:56,763 INFO L796 eck$LassoCheckResult]: Loop: 381#L523-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 380#L523 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 381#L523-2 [2019-11-28 03:52:56,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:56,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1235383701, now seen corresponding path program 1 times [2019-11-28 03:52:56,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:56,764 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140715634] [2019-11-28 03:52:56,764 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:56,818 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:56,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:56,819 INFO L82 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 2 times [2019-11-28 03:52:56,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:56,820 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081731643] [2019-11-28 03:52:56,820 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:56,823 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-28 03:52:56,826 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1600242386] [2019-11-28 03:52:56,826 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 03:52:56,861 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-28 03:52:56,861 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2019-11-28 03:52:56,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:56,871 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:56,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:56,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1792764442, now seen corresponding path program 1 times [2019-11-28 03:52:56,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:56,873 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72569335] [2019-11-28 03:52:56,873 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:56,887 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-28 03:52:56,887 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1193195968] [2019-11-28 03:52:56,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 03:52:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:56,942 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:57,256 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 84 [2019-11-28 03:52:57,345 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:52:57,345 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:52:57,345 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:52:57,345 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:52:57,345 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:52:57,345 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:57,345 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:52:57,346 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:52:57,346 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-2.i_Iteration5_Lasso [2019-11-28 03:52:57,346 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:52:57,346 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:52:57,352 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 03:52:57,356 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 03:52:57,358 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 03:52:57,361 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 03:52:57,364 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 03:52:57,366 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 03:52:57,369 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 03:52:57,372 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 03:52:57,374 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 03:52:57,377 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 03:52:57,380 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 03:52:57,382 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 03:52:57,386 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 03:52:57,388 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 03:52:57,391 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 03:52:57,393 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 03:52:57,599 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-11-28 03:52:57,690 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 03:52:57,909 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2019-11-28 03:52:58,202 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:52:58,203 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2019-11-28 03:52:58,222 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 03:52:58,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:58,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:58,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:58,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:58,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:58,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:58,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:58,228 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) [2019-11-28 03:52:58,238 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 03:52:58,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:58,241 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:58,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:58,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:58,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:58,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:58,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:58,245 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) [2019-11-28 03:52:58,253 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 03:52:58,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:58,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:58,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:58,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:58,260 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:58,260 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:52:58,265 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 34 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:52:58,276 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 03:52:58,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:58,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:58,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:58,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:58,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:58,279 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:58,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:58,281 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 03:52:58,289 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 03:52:58,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:58,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:58,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:58,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:58,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:58,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:58,292 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 03:52:58,294 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) [2019-11-28 03:52:58,306 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 03:52:58,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:58,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:58,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:58,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:58,315 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:58,315 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:58,324 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) [2019-11-28 03:52:58,333 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 03:52:58,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:58,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:58,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:58,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:58,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:58,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:58,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:58,338 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) [2019-11-28 03:52:58,347 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 03:52:58,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:58,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:58,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:58,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:58,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:58,349 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:58,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:58,351 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) [2019-11-28 03:52:58,362 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 03:52:58,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:58,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:58,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:58,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:58,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:58,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:58,371 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) [2019-11-28 03:52:58,378 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 03:52:58,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:58,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:58,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:58,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:58,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:58,381 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:58,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:58,383 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:58,389 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 03:52:58,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:58,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:58,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:58,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:58,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:58,392 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:58,392 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:52:58,393 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) [2019-11-28 03:52:58,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:58,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:58,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:58,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:58,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:58,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:58,406 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:58,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:58,407 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) [2019-11-28 03:52:58,414 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 03:52:58,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:58,415 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:58,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:58,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:58,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:58,416 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:58,416 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:58,419 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) [2019-11-28 03:52:58,426 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 03:52:58,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:58,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:58,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:58,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:58,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:58,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:52:58,433 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 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:52:58,444 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 03:52:58,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:58,446 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:58,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:58,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:58,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:58,447 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:58,447 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:58,449 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 03:52:58,457 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 03:52:58,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:58,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:58,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:58,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:58,462 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:58,463 INFO L402 nArgumentSynthesizer]: A total of 2 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 03:52:58,469 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 03:52:58,477 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 03:52:58,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:58,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:58,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:58,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:58,490 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:58,491 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 03:52:58,512 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 03:52:58,520 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 03:52:58,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:58,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:58,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:58,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:58,530 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:58,530 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 03:52:58,542 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:52:58,571 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2019-11-28 03:52:58,571 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. 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 03:52:58,580 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:58,583 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:52:58,584 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:52:58,584 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~numbers~0.base) ULTIMATE.start_main_~numbers~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~numbers~0.base) ULTIMATE.start_main_~numbers~0.offset)_2 Supporting invariants [] [2019-11-28 03:52:58,603 INFO L297 tatePredicateManager]: 4 out of 6 supporting invariants were superfluous and have been removed [2019-11-28 03:52:58,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-28 03:52:58,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:52:58,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-28 03:52:58,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:52:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:52:58,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-28 03:52:58,684 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:52:58,710 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 03:52:58,711 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-28 03:52:58,711 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 30 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-11-28 03:52:58,825 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 30 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 59 states and 78 transitions. Complement of second has 9 states. [2019-11-28 03:52:58,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 2 accepting loop states [2019-11-28 03:52:58,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 03:52:58,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 32 transitions. [2019-11-28 03:52:58,827 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 32 transitions. Stem has 11 letters. Loop has 2 letters. [2019-11-28 03:52:58,827 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:52:58,827 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 32 transitions. Stem has 13 letters. Loop has 2 letters. [2019-11-28 03:52:58,828 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:52:58,828 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 32 transitions. Stem has 11 letters. Loop has 4 letters. [2019-11-28 03:52:58,829 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:52:58,829 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 78 transitions. [2019-11-28 03:52:58,830 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2019-11-28 03:52:58,834 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 54 states and 71 transitions. [2019-11-28 03:52:58,835 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2019-11-28 03:52:58,835 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2019-11-28 03:52:58,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 71 transitions. [2019-11-28 03:52:58,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:52:58,835 INFO L688 BuchiCegarLoop]: Abstraction has 54 states and 71 transitions. [2019-11-28 03:52:58,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 71 transitions. [2019-11-28 03:52:58,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 28. [2019-11-28 03:52:58,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-11-28 03:52:58,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 39 transitions. [2019-11-28 03:52:58,839 INFO L711 BuchiCegarLoop]: Abstraction has 28 states and 39 transitions. [2019-11-28 03:52:58,839 INFO L591 BuchiCegarLoop]: Abstraction has 28 states and 39 transitions. [2019-11-28 03:52:58,839 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-28 03:52:58,839 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 39 transitions. [2019-11-28 03:52:58,840 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:52:58,840 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:52:58,840 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:52:58,841 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:52:58,841 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:52:58,841 INFO L794 eck$LassoCheckResult]: Stem: 572#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 567#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet12, main_#t~post11, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 568#L532 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 569#L532-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;main_~k~0 := 0; 561#L537-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet12, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet12; 554#L537-2 main_#t~post11 := main_~k~0;main_~k~0 := 1 + main_#t~post11;havoc main_#t~post11; 555#L537-3 assume !(main_~k~0 < main_~array_size~0); 562#L537-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 556#L516-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 558#L518 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 574#L520 assume test_fun_#t~mem4 < 0;havoc test_fun_#t~mem4;test_fun_~res~0 := 0; 564#L523-2 [2019-11-28 03:52:58,841 INFO L796 eck$LassoCheckResult]: Loop: 564#L523-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 563#L523 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 564#L523-2 [2019-11-28 03:52:58,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:58,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1235383699, now seen corresponding path program 1 times [2019-11-28 03:52:58,842 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:58,842 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508229145] [2019-11-28 03:52:58,842 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:58,883 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:58,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:58,883 INFO L82 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 3 times [2019-11-28 03:52:58,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:58,884 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401644317] [2019-11-28 03:52:58,884 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:58,886 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-28 03:52:58,887 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1384088336] [2019-11-28 03:52:58,887 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 03:52:58,920 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2019-11-28 03:52:58,921 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2019-11-28 03:52:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:58,927 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:58,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:58,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1792762520, now seen corresponding path program 1 times [2019-11-28 03:52:58,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:58,931 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061218474] [2019-11-28 03:52:58,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:58,941 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-28 03:52:58,941 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [532932062] [2019-11-28 03:52:58,942 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 03:52:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:52:58,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:52:58,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:52:59,005 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 25 treesize of output 9 [2019-11-28 03:52:59,006 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 03:52:59,011 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 03:52:59,011 INFO L508 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 03:52:59,011 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:25, output treesize:5 [2019-11-28 03:52:59,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 03:52:59,018 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061218474] [2019-11-28 03:52:59,018 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-28 03:52:59,018 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532932062] [2019-11-28 03:52:59,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:52:59,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 03:52:59,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069749141] [2019-11-28 03:52:59,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:52:59,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 03:52:59,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 03:52:59,066 INFO L87 Difference]: Start difference. First operand 28 states and 39 transitions. cyclomatic complexity: 15 Second operand 5 states. [2019-11-28 03:52:59,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:52:59,123 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2019-11-28 03:52:59,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 03:52:59,124 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 43 transitions. [2019-11-28 03:52:59,125 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:52:59,125 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 29 states and 38 transitions. [2019-11-28 03:52:59,125 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-28 03:52:59,125 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-28 03:52:59,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 38 transitions. [2019-11-28 03:52:59,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:52:59,126 INFO L688 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2019-11-28 03:52:59,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 38 transitions. [2019-11-28 03:52:59,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 26. [2019-11-28 03:52:59,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-28 03:52:59,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 35 transitions. [2019-11-28 03:52:59,129 INFO L711 BuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2019-11-28 03:52:59,129 INFO L591 BuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2019-11-28 03:52:59,129 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-28 03:52:59,130 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 35 transitions. [2019-11-28 03:52:59,130 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:52:59,130 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:52:59,130 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:52:59,131 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:52:59,131 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:52:59,131 INFO L794 eck$LassoCheckResult]: Stem: 680#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 675#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet12, main_#t~post11, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 676#L532 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 677#L532-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;main_~k~0 := 0; 669#L537-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet12, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet12; 663#L537-2 main_#t~post11 := main_~k~0;main_~k~0 := 1 + main_#t~post11;havoc main_#t~post11; 664#L537-3 assume !(main_~k~0 < main_~array_size~0); 670#L537-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 665#L516-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 666#L518 assume 0 == test_fun_#t~mem3;havoc test_fun_#t~mem3;test_fun_~res~0 := 1; 678#L523-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 679#L523 assume !(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5; 681#L523-3 call write~int(test_fun_~res~0, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 661#L516-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 662#L516-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 667#L518 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 682#L520 assume !(test_fun_#t~mem4 < 0);havoc test_fun_#t~mem4; 672#L523-2 [2019-11-28 03:52:59,132 INFO L796 eck$LassoCheckResult]: Loop: 672#L523-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 671#L523 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 672#L523-2 [2019-11-28 03:52:59,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:59,132 INFO L82 PathProgramCache]: Analyzing trace with hash -1699551859, now seen corresponding path program 1 times [2019-11-28 03:52:59,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:59,132 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812636692] [2019-11-28 03:52:59,132 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:59,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:52:59,223 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:52:59,223 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812636692] [2019-11-28 03:52:59,224 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457546825] [2019-11-28 03:52:59,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 03:52:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:52:59,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 03:52:59,274 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:52:59,348 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:52:59,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 03:52:59,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2019-11-28 03:52:59,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243099551] [2019-11-28 03:52:59,349 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 03:52:59,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:59,349 INFO L82 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 4 times [2019-11-28 03:52:59,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:59,350 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873651196] [2019-11-28 03:52:59,350 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:59,352 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-28 03:52:59,353 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1790536183] [2019-11-28 03:52:59,353 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 03:52:59,381 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-28 03:52:59,381 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2019-11-28 03:52:59,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:59,387 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:59,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:52:59,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-28 03:52:59,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2019-11-28 03:52:59,425 INFO L87 Difference]: Start difference. First operand 26 states and 35 transitions. cyclomatic complexity: 13 Second operand 13 states. [2019-11-28 03:52:59,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:52:59,648 INFO L93 Difference]: Finished difference Result 44 states and 57 transitions. [2019-11-28 03:52:59,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 03:52:59,650 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 57 transitions. [2019-11-28 03:52:59,651 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:52:59,652 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 29 states and 37 transitions. [2019-11-28 03:52:59,653 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-28 03:52:59,653 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-28 03:52:59,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 37 transitions. [2019-11-28 03:52:59,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:52:59,653 INFO L688 BuchiCegarLoop]: Abstraction has 29 states and 37 transitions. [2019-11-28 03:52:59,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 37 transitions. [2019-11-28 03:52:59,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2019-11-28 03:52:59,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-11-28 03:52:59,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2019-11-28 03:52:59,657 INFO L711 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2019-11-28 03:52:59,658 INFO L591 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2019-11-28 03:52:59,658 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-11-28 03:52:59,658 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 36 transitions. [2019-11-28 03:52:59,659 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:52:59,659 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:52:59,659 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:52:59,660 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:52:59,660 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:52:59,660 INFO L794 eck$LassoCheckResult]: Stem: 823#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 818#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet12, main_#t~post11, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 819#L532 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 820#L532-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;main_~k~0 := 0; 811#L537-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet12, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet12; 805#L537-2 main_#t~post11 := main_~k~0;main_~k~0 := 1 + main_#t~post11;havoc main_#t~post11; 806#L537-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet12, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet12; 812#L537-2 main_#t~post11 := main_~k~0;main_~k~0 := 1 + main_#t~post11;havoc main_#t~post11; 828#L537-3 assume !(main_~k~0 < main_~array_size~0); 817#L537-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 807#L516-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 808#L518 assume 0 == test_fun_#t~mem3;havoc test_fun_#t~mem3;test_fun_~res~0 := 1; 821#L523-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 822#L523 assume !(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5; 827#L523-3 call write~int(test_fun_~res~0, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 803#L516-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 804#L516-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 809#L518 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 824#L520 assume !(test_fun_#t~mem4 < 0);havoc test_fun_#t~mem4; 814#L523-2 [2019-11-28 03:52:59,660 INFO L796 eck$LassoCheckResult]: Loop: 814#L523-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 813#L523 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 814#L523-2 [2019-11-28 03:52:59,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:59,661 INFO L82 PathProgramCache]: Analyzing trace with hash -70989845, now seen corresponding path program 2 times [2019-11-28 03:52:59,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:59,661 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760208766] [2019-11-28 03:52:59,662 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:59,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:59,695 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:59,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:59,696 INFO L82 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 5 times [2019-11-28 03:52:59,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:59,696 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773626422] [2019-11-28 03:52:59,697 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:59,699 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-28 03:52:59,700 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [213129787] [2019-11-28 03:52:59,700 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 03:52:59,738 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-28 03:52:59,738 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2019-11-28 03:52:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:59,743 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:59,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:59,744 INFO L82 PathProgramCache]: Analyzing trace with hash 498237168, now seen corresponding path program 1 times [2019-11-28 03:52:59,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:59,744 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565557955] [2019-11-28 03:52:59,745 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:59,752 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-28 03:52:59,753 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1365619846] [2019-11-28 03:52:59,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 03:52:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:59,820 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:53:00,263 WARN L192 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 116 [2019-11-28 03:53:00,364 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:53:00,364 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:53:00,364 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:53:00,365 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:53:00,365 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:53:00,365 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:00,365 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:53:00,365 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:53:00,366 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-2.i_Iteration8_Lasso [2019-11-28 03:53:00,366 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:53:00,366 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:53:00,369 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 03:53:00,377 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 03:53:00,379 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 03:53:00,383 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 03:53:00,385 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 03:53:00,406 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 03:53:00,419 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 03:53:00,423 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 03:53:00,425 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 03:53:00,429 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 03:53:00,431 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 03:53:00,433 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 03:53:00,435 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 03:53:00,438 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 03:53:00,440 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 03:53:00,442 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 03:53:00,465 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: MapEliminator tries to combine Int and (Array Int Int) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceSelectStoreTerm(MapEliminator.java:592) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceStoreTerms(MapEliminator.java:542) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.getRewrittenTransFormula(MapEliminator.java:330) at de.uni_freiburg.informatik.ultimate.lassoranker.preprocessors.MapEliminationLassoPreprocessor.process(MapEliminationLassoPreprocessor.java:109) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.applyPreprocessor(LassoBuilder.java:154) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.preprocess(LassoBuilder.java:262) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.preprocess(LassoAnalysis.java:278) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.(LassoAnalysis.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:612) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.access$16(LassoCheck.java:539) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:957) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:865) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:458) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:380) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 03:53:00,469 INFO L168 Benchmark]: Toolchain (without parser) took 9250.34 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 302.0 MB). Free memory was 957.7 MB in the beginning and 870.6 MB in the end (delta: 87.0 MB). Peak memory consumption was 389.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:53:00,469 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:53:00,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -135.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-28 03:53:00,476 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:53:00,477 INFO L168 Benchmark]: Boogie Preprocessor took 34.28 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:53:00,478 INFO L168 Benchmark]: RCFGBuilder took 407.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:53:00,478 INFO L168 Benchmark]: BuchiAutomizer took 8098.25 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 189.8 MB). Free memory was 1.1 GB in the beginning and 870.6 MB in the end (delta: 197.6 MB). Peak memory consumption was 387.4 MB. Max. memory is 11.5 GB. [2019-11-28 03:53:00,484 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 640.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -135.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.28 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 407.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8098.25 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 189.8 MB). Free memory was 1.1 GB in the beginning and 870.6 MB in the end (delta: 197.6 MB). Peak memory consumption was 387.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: MapEliminator tries to combine Int and (Array Int Int): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...