./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/array01-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/array01-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer --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 0e0283c2b515067609d1d09b2bc4afe3d1f1d910 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 00:13:30,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 00:13:30,857 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 00:13:30,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 00:13:30,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 00:13:30,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 00:13:30,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 00:13:30,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 00:13:30,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 00:13:30,879 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 00:13:30,880 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 00:13:30,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 00:13:30,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 00:13:30,882 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 00:13:30,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 00:13:30,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 00:13:30,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 00:13:30,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 00:13:30,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 00:13:30,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 00:13:30,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 00:13:30,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 00:13:30,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 00:13:30,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 00:13:30,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 00:13:30,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 00:13:30,903 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 00:13:30,904 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 00:13:30,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 00:13:30,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 00:13:30,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 00:13:30,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 00:13:30,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 00:13:30,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 00:13:30,915 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 00:13:30,915 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 00:13:30,916 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 00:13:30,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 00:13:30,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 00:13:30,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 00:13:30,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 00:13:30,922 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 00:13:30,944 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 00:13:30,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 00:13:30,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 00:13:30,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 00:13:30,946 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 00:13:30,947 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 00:13:30,947 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 00:13:30,947 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 00:13:30,947 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 00:13:30,947 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 00:13:30,948 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 00:13:30,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 00:13:30,949 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 00:13:30,949 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 00:13:30,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 00:13:30,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 00:13:30,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 00:13:30,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 00:13:30,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 00:13:30,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 00:13:30,950 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 00:13:30,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 00:13:30,951 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 00:13:30,951 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 00:13:30,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 00:13:30,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 00:13:30,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 00:13:30,952 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 00:13:30,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 00:13:30,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 00:13:30,952 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 00:13:30,953 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 00:13:30,953 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer 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 -> 0e0283c2b515067609d1d09b2bc4afe3d1f1d910 [2019-11-20 00:13:31,100 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 00:13:31,110 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 00:13:31,113 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 00:13:31,114 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 00:13:31,115 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 00:13:31,115 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/../../sv-benchmarks/c/array-memsafety/array01-alloca-2.i [2019-11-20 00:13:31,168 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/data/28c2828a4/5935afdee7e6453ba0662591afcb3933/FLAG967260d34 [2019-11-20 00:13:31,663 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 00:13:31,665 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/sv-benchmarks/c/array-memsafety/array01-alloca-2.i [2019-11-20 00:13:31,684 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/data/28c2828a4/5935afdee7e6453ba0662591afcb3933/FLAG967260d34 [2019-11-20 00:13:32,182 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/data/28c2828a4/5935afdee7e6453ba0662591afcb3933 [2019-11-20 00:13:32,185 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 00:13:32,186 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 00:13:32,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 00:13:32,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 00:13:32,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 00:13:32,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:13:32" (1/1) ... [2019-11-20 00:13:32,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7594f213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:13:32, skipping insertion in model container [2019-11-20 00:13:32,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:13:32" (1/1) ... [2019-11-20 00:13:32,199 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 00:13:32,233 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 00:13:32,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:13:32,558 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 00:13:32,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:13:32,638 INFO L192 MainTranslator]: Completed translation [2019-11-20 00:13:32,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:13:32 WrapperNode [2019-11-20 00:13:32,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 00:13:32,640 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 00:13:32,640 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 00:13:32,640 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 00:13:32,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:13:32" (1/1) ... [2019-11-20 00:13:32,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:13:32" (1/1) ... [2019-11-20 00:13:32,680 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 00:13:32,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 00:13:32,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 00:13:32,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 00:13:32,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:13:32" (1/1) ... [2019-11-20 00:13:32,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:13:32" (1/1) ... [2019-11-20 00:13:32,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:13:32" (1/1) ... [2019-11-20 00:13:32,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:13:32" (1/1) ... [2019-11-20 00:13:32,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:13:32" (1/1) ... [2019-11-20 00:13:32,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:13:32" (1/1) ... [2019-11-20 00:13:32,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:13:32" (1/1) ... [2019-11-20 00:13:32,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 00:13:32,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 00:13:32,707 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 00:13:32,707 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 00:13:32,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:13:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/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 [2019-11-20 00:13:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 00:13:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 00:13:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 00:13:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 00:13:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 00:13:32,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 00:13:33,097 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 00:13:33,098 INFO L285 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-20 00:13:33,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:13:33 BoogieIcfgContainer [2019-11-20 00:13:33,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 00:13:33,099 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 00:13:33,099 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 00:13:33,102 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 00:13:33,104 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 00:13:33,104 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 12:13:32" (1/3) ... [2019-11-20 00:13:33,105 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6df10001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:13:33, skipping insertion in model container [2019-11-20 00:13:33,106 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 00:13:33,106 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:13:32" (2/3) ... [2019-11-20 00:13:33,107 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6df10001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:13:33, skipping insertion in model container [2019-11-20 00:13:33,108 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 00:13:33,109 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:13:33" (3/3) ... [2019-11-20 00:13:33,110 INFO L371 chiAutomizerObserver]: Analyzing ICFG array01-alloca-2.i [2019-11-20 00:13:33,155 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 00:13:33,156 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 00:13:33,156 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 00:13:33,156 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 00:13:33,156 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 00:13:33,156 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 00:13:33,156 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 00:13:33,157 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 00:13:33,169 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-20 00:13:33,189 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-11-20 00:13:33,189 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:13:33,190 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:13:33,196 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-20 00:13:33,196 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 00:13:33,196 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 00:13:33,196 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-20 00:13:33,198 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-11-20 00:13:33,198 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:13:33,198 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:13:33,199 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-20 00:13:33,199 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 00:13:33,206 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 12#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~k~0, main_#t~ret11, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 4#L526true assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 7#L526-2true call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~k~0 := 0; 16#L531-3true [2019-11-20 00:13:33,206 INFO L796 eck$LassoCheckResult]: Loop: 16#L531-3true assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet10, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet10; 15#L531-2true main_#t~post9 := main_~k~0;main_~k~0 := 1 + main_#t~post9;havoc main_#t~post9; 16#L531-3true [2019-11-20 00:13:33,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:13:33,212 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2019-11-20 00:13:33,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:13:33,219 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095784382] [2019-11-20 00:13:33,219 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:13:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:13:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:13:33,323 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:13:33,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:13:33,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2019-11-20 00:13:33,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:13:33,324 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354828300] [2019-11-20 00:13:33,324 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:13:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:13:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:13:33,346 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:13:33,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:13:33,348 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2019-11-20 00:13:33,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:13:33,348 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451178272] [2019-11-20 00:13:33,348 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:13:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:13:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:13:33,392 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:13:33,643 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-11-20 00:13:33,717 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 00:13:33,718 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 00:13:33,718 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 00:13:33,718 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 00:13:33,718 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 00:13:33,718 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:33,719 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 00:13:33,719 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 00:13:33,719 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-2.i_Iteration1_Lasso [2019-11-20 00:13:33,719 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 00:13:33,719 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 00:13:33,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:33,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:33,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:33,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:33,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:33,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:33,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:33,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:33,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:33,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:34,204 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 00:13:34,208 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:13:34,217 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 [2019-11-20 00:13:34,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:34,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:13:34,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:34,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:34,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:34,224 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:13:34,224 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 [2019-11-20 00:13:34,227 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:13:34,239 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 [2019-11-20 00:13:34,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:34,241 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:13:34,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:34,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:34,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:34,242 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:13:34,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:34,245 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/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 [2019-11-20 00:13:34,270 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 [2019-11-20 00:13:34,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:34,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:34,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:34,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:34,282 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:13:34,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:13:34,289 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:13:34,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:13:34,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:34,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:34,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:34,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:34,315 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:13:34,315 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 [2019-11-20 00:13:34,320 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:13:34,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:13:34,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:34,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:34,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:34,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:34,343 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:13:34,343 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:34,348 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:13:34,366 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 [2019-11-20 00:13:34,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:34,368 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:13:34,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:34,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:34,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:34,370 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:13:34,370 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:34,372 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:13:34,387 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 [2019-11-20 00:13:34,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:34,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:34,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:34,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:34,409 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:13:34,410 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:13:34,424 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 00:13:34,606 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2019-11-20 00:13:34,607 INFO L444 ModelExtractionUtils]: 3 out of 22 variables were initially zero. Simplification set additionally 14 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:13:34,621 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:34,624 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-20 00:13:34,624 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 00:13:34,625 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0) = -2*ULTIMATE.start_main_~k~0 + 1073741819 Supporting invariants [-1*ULTIMATE.start_main_~array_size~0 + 536870910 >= 0] [2019-11-20 00:13:34,649 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2019-11-20 00:13:34,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:13:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:13:34,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 00:13:34,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:13:34,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:13:34,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 00:13:34,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:13:34,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:13:34,765 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 [2019-11-20 00:13:34,766 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 4 states. [2019-11-20 00:13:34,840 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 4 states. Result 38 states and 53 transitions. Complement of second has 8 states. [2019-11-20 00:13:34,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 00:13:34,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 00:13:34,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 35 transitions. [2019-11-20 00:13:34,844 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 35 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-20 00:13:34,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:13:34,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 35 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-20 00:13:34,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:13:34,846 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 35 transitions. Stem has 4 letters. Loop has 4 letters. [2019-11-20 00:13:34,846 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:13:34,847 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 53 transitions. [2019-11-20 00:13:34,850 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 00:13:34,854 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 12 states and 16 transitions. [2019-11-20 00:13:34,855 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-11-20 00:13:34,855 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-20 00:13:34,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2019-11-20 00:13:34,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 00:13:34,856 INFO L688 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2019-11-20 00:13:34,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2019-11-20 00:13:34,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-11-20 00:13:34,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-20 00:13:34,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2019-11-20 00:13:34,882 INFO L711 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2019-11-20 00:13:34,882 INFO L591 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2019-11-20 00:13:34,882 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 00:13:34,883 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2019-11-20 00:13:34,886 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 00:13:34,886 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:13:34,886 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:13:34,887 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 00:13:34,887 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 00:13:34,888 INFO L794 eck$LassoCheckResult]: Stem: 128#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 122#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~k~0, main_#t~ret11, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 123#L526 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 127#L526-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~k~0 := 0; 130#L531-3 assume !(main_~k~0 < main_~array_size~0); 133#L531-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 129#L516-3 [2019-11-20 00:13:34,888 INFO L796 eck$LassoCheckResult]: Loop: 129#L516-3 assume !!(test_fun_~i~0 < test_fun_~N); 126#L517-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 124#L517-1 assume !(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3; 125#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 [2019-11-20 00:13:34,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:13:34,889 INFO L82 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2019-11-20 00:13:34,889 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:13:34,890 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595623775] [2019-11-20 00:13:34,890 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:13:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:13:34,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:13:34,974 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595623775] [2019-11-20 00:13:34,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:13:34,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 00:13:34,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373479688] [2019-11-20 00:13:34,978 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 00:13:34,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:13:34,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1882892, now seen corresponding path program 1 times [2019-11-20 00:13:34,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:13:34,979 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477095444] [2019-11-20 00:13:34,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:13:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:13:34,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:13:35,004 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:13:35,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:13:35,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 00:13:35,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 00:13:35,052 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 6 Second operand 4 states. [2019-11-20 00:13:35,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:13:35,084 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2019-11-20 00:13:35,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 00:13:35,086 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2019-11-20 00:13:35,086 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 00:13:35,087 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 16 transitions. [2019-11-20 00:13:35,087 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-20 00:13:35,087 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-20 00:13:35,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2019-11-20 00:13:35,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 00:13:35,088 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-11-20 00:13:35,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2019-11-20 00:13:35,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2019-11-20 00:13:35,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-20 00:13:35,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2019-11-20 00:13:35,090 INFO L711 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-11-20 00:13:35,090 INFO L591 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-11-20 00:13:35,090 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 00:13:35,090 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2019-11-20 00:13:35,091 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 00:13:35,091 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:13:35,091 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:13:35,092 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:13:35,092 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 00:13:35,092 INFO L794 eck$LassoCheckResult]: Stem: 160#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 154#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~k~0, main_#t~ret11, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 155#L526 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 159#L526-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~k~0 := 0; 162#L531-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet10, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet10; 163#L531-2 main_#t~post9 := main_~k~0;main_~k~0 := 1 + main_#t~post9;havoc main_#t~post9; 164#L531-3 assume !(main_~k~0 < main_~array_size~0); 165#L531-4 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_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, 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;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 161#L516-3 [2019-11-20 00:13:35,092 INFO L796 eck$LassoCheckResult]: Loop: 161#L516-3 assume !!(test_fun_~i~0 < test_fun_~N); 158#L517-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 156#L517-1 assume !(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3; 157#L516-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 161#L516-3 [2019-11-20 00:13:35,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:13:35,093 INFO L82 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2019-11-20 00:13:35,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:13:35,093 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493579025] [2019-11-20 00:13:35,093 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:13:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:13:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:13:35,148 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:13:35,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:13:35,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1882892, now seen corresponding path program 2 times [2019-11-20 00:13:35,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:13:35,155 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563017937] [2019-11-20 00:13:35,155 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:13:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:13:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:13:35,170 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:13:35,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:13:35,171 INFO L82 PathProgramCache]: Analyzing trace with hash -357810950, now seen corresponding path program 1 times [2019-11-20 00:13:35,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:13:35,172 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653451303] [2019-11-20 00:13:35,172 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:13:35,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:13:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:13:35,234 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:13:35,505 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 68 [2019-11-20 00:13:35,605 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 00:13:35,605 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 00:13:35,605 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 00:13:35,605 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 00:13:35,605 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 00:13:35,605 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:35,605 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 00:13:35,606 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 00:13:35,606 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-2.i_Iteration3_Lasso [2019-11-20 00:13:35,606 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 00:13:35,606 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 00:13:35,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:35,800 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2019-11-20 00:13:35,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:35,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:35,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:35,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:35,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:35,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:35,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:35,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:35,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:35,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:35,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:35,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:35,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:35,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:35,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:35,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:35,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:36,273 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 00:13:36,274 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:13:36,280 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 [2019-11-20 00:13:36,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:36,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:36,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:36,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:36,286 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:13:36,286 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:36,293 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/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 [2019-11-20 00:13:36,306 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 [2019-11-20 00:13:36,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:36,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:36,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:36,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:36,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:13:36,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:13:36,321 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:36,337 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 [2019-11-20 00:13:36,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:36,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:36,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:36,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:36,347 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:13:36,347 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:13:36,351 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:13:36,365 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 [2019-11-20 00:13:36,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:36,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:36,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:36,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:36,380 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:13:36,380 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:36,397 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 00:13:36,441 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-11-20 00:13:36,441 INFO L444 ModelExtractionUtils]: 21 out of 37 variables were initially zero. Simplification set additionally 13 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:36,457 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 00:13:36,461 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 00:13:36,462 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 00:13:36,462 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 [] [2019-11-20 00:13:36,477 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2019-11-20 00:13:36,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:13:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:13:36,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 00:13:36,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:13:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:13:36,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 00:13:36,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:13:36,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:13:36,542 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 [2019-11-20 00:13:36,542 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-20 00:13:36,568 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 17 states and 22 transitions. Complement of second has 4 states. [2019-11-20 00:13:36,568 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 [2019-11-20 00:13:36,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 00:13:36,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2019-11-20 00:13:36,569 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 8 letters. Loop has 4 letters. [2019-11-20 00:13:36,569 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:13:36,569 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 12 letters. Loop has 4 letters. [2019-11-20 00:13:36,569 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:13:36,570 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 8 letters. Loop has 8 letters. [2019-11-20 00:13:36,570 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:13:36,570 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 22 transitions. [2019-11-20 00:13:36,571 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 00:13:36,571 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 16 states and 21 transitions. [2019-11-20 00:13:36,572 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-11-20 00:13:36,572 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-20 00:13:36,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2019-11-20 00:13:36,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 00:13:36,572 INFO L688 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2019-11-20 00:13:36,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2019-11-20 00:13:36,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2019-11-20 00:13:36,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-20 00:13:36,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2019-11-20 00:13:36,574 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2019-11-20 00:13:36,574 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2019-11-20 00:13:36,574 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 00:13:36,574 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2019-11-20 00:13:36,575 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 00:13:36,575 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:13:36,575 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:13:36,576 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:13:36,576 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 00:13:36,576 INFO L794 eck$LassoCheckResult]: Stem: 263#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 255#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~k~0, main_#t~ret11, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 256#L526 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 262#L526-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~k~0 := 0; 265#L531-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet10, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet10; 266#L531-2 main_#t~post9 := main_~k~0;main_~k~0 := 1 + main_#t~post9;havoc main_#t~post9; 267#L531-3 assume !(main_~k~0 < main_~array_size~0); 269#L531-4 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_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, 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;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 268#L516-3 assume !!(test_fun_~i~0 < test_fun_~N); 258#L517-3 [2019-11-20 00:13:36,576 INFO L796 eck$LassoCheckResult]: Loop: 258#L517-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 257#L517-1 assume !!(test_fun_#t~mem3 > 0);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);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(test_fun_#t~post5 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem4;havoc test_fun_#t~post5;test_fun_#t~post6 := test_fun_~res~0;test_fun_~res~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 258#L517-3 [2019-11-20 00:13:36,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:13:36,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1185641744, now seen corresponding path program 1 times [2019-11-20 00:13:36,578 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:13:36,578 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363792769] [2019-11-20 00:13:36,579 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:13:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:13:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:13:36,616 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:13:36,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:13:36,618 INFO L82 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 1 times [2019-11-20 00:13:36,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:13:36,618 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724965631] [2019-11-20 00:13:36,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:13:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:13:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:13:36,638 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:13:36,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:13:36,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1235383701, now seen corresponding path program 1 times [2019-11-20 00:13:36,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:13:36,640 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78938207] [2019-11-20 00:13:36,640 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:13:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:13:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:13:36,700 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:13:36,935 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-11-20 00:13:37,012 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 00:13:37,013 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 00:13:37,013 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 00:13:37,013 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 00:13:37,013 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 00:13:37,013 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:37,013 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 00:13:37,013 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 00:13:37,013 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-2.i_Iteration4_Lasso [2019-11-20 00:13:37,013 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 00:13:37,013 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 00:13:37,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:37,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:37,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:37,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:37,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:37,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:37,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:37,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:37,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:37,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:37,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:37,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:37,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:37,202 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2019-11-20 00:13:37,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:37,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:37,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:37,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:37,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:37,640 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 00:13:37,640 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/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 [2019-11-20 00:13:37,645 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 [2019-11-20 00:13:37,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:37,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:13:37,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:37,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:37,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:37,647 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:13:37,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:13:37,649 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:37,654 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 [2019-11-20 00:13:37,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:37,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:37,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:37,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:37,657 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:13:37,657 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:13:37,660 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/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 [2019-11-20 00:13:37,669 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 [2019-11-20 00:13:37,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:37,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:37,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:37,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:37,673 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:13:37,673 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:13:37,677 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:13:37,689 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 [2019-11-20 00:13:37,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:37,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:13:37,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:37,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:37,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:37,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:13:37,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:13:37,694 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/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 [2019-11-20 00:13:37,713 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 [2019-11-20 00:13:37,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:37,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:13:37,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:37,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:37,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:37,716 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:13:37,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:13:37,717 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/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 [2019-11-20 00:13:37,730 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 [2019-11-20 00:13:37,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:37,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:37,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:37,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:37,734 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:13:37,734 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:13:37,741 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:13:37,759 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 [2019-11-20 00:13:37,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:37,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:13:37,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:37,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:37,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:37,762 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:13:37,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:37,765 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:13:37,778 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 [2019-11-20 00:13:37,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:37,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:13:37,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:37,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:37,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:37,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:13:37,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:37,783 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:13:37,789 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 [2019-11-20 00:13:37,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:37,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:13:37,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:37,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:37,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:37,792 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:13:37,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:37,796 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/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 [2019-11-20 00:13:37,800 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 [2019-11-20 00:13:37,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:37,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:13:37,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:37,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:37,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:37,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:13:37,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:13:37,803 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:13:37,813 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 [2019-11-20 00:13:37,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:37,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:37,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:37,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:37,817 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:13:37,817 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:37,820 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:37,833 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 [2019-11-20 00:13:37,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:37,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:13:37,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:37,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:37,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:37,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:13:37,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:13:37,837 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/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 [2019-11-20 00:13:37,841 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 [2019-11-20 00:13:37,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:37,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:37,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:37,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:37,847 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:13:37,847 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:13:37,855 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:13:37,865 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 [2019-11-20 00:13:37,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:37,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:37,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:37,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:37,872 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:13:37,872 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:37,880 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 00:13:37,893 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-11-20 00:13:37,893 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:13:37,897 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:37,901 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 00:13:37,901 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 00:13:37,901 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)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~numbers~0.base) ULTIMATE.start_main_~numbers~0.offset)_1 Supporting invariants [] [2019-11-20 00:13:37,918 INFO L297 tatePredicateManager]: 4 out of 6 supporting invariants were superfluous and have been removed [2019-11-20 00:13:37,923 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 00:13:37,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:13:37,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:13:37,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-20 00:13:37,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:13:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:13:37,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-20 00:13:37,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:13:38,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:13:38,002 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 [2019-11-20 00:13:38,002 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8 Second operand 4 states. [2019-11-20 00:13:38,053 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8. Second operand 4 states. Result 24 states and 31 transitions. Complement of second has 8 states. [2019-11-20 00:13:38,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 00:13:38,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 00:13:38,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2019-11-20 00:13:38,054 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 9 letters. Loop has 2 letters. [2019-11-20 00:13:38,055 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:13:38,055 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 11 letters. Loop has 2 letters. [2019-11-20 00:13:38,055 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:13:38,055 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 9 letters. Loop has 4 letters. [2019-11-20 00:13:38,055 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:13:38,055 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2019-11-20 00:13:38,056 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 00:13:38,056 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 19 states and 24 transitions. [2019-11-20 00:13:38,057 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-11-20 00:13:38,057 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-11-20 00:13:38,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 24 transitions. [2019-11-20 00:13:38,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 00:13:38,057 INFO L688 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2019-11-20 00:13:38,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 24 transitions. [2019-11-20 00:13:38,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2019-11-20 00:13:38,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-20 00:13:38,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2019-11-20 00:13:38,059 INFO L711 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2019-11-20 00:13:38,059 INFO L591 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2019-11-20 00:13:38,059 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-20 00:13:38,059 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2019-11-20 00:13:38,059 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 00:13:38,059 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:13:38,060 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:13:38,060 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:13:38,060 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 00:13:38,060 INFO L794 eck$LassoCheckResult]: Stem: 390#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 387#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~k~0, main_#t~ret11, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 388#L526 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 389#L526-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~k~0 := 0; 394#L531-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet10, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet10; 397#L531-2 main_#t~post9 := main_~k~0;main_~k~0 := 1 + main_#t~post9;havoc main_#t~post9; 398#L531-3 assume !(main_~k~0 < main_~array_size~0); 399#L531-4 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_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, 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;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 395#L516-3 assume !!(test_fun_~i~0 < test_fun_~N); 396#L517-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 385#L517-1 assume !(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3; 386#L516-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 393#L516-3 assume !!(test_fun_~i~0 < test_fun_~N); 384#L517-3 [2019-11-20 00:13:38,060 INFO L796 eck$LassoCheckResult]: Loop: 384#L517-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 383#L517-1 assume !!(test_fun_#t~mem3 > 0);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);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(test_fun_#t~post5 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem4;havoc test_fun_#t~post5;test_fun_#t~post6 := test_fun_~res~0;test_fun_~res~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 384#L517-3 [2019-11-20 00:13:38,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:13:38,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1792762469, now seen corresponding path program 2 times [2019-11-20 00:13:38,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:13:38,061 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663992914] [2019-11-20 00:13:38,061 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:13:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:13:38,140 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:13:38,140 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663992914] [2019-11-20 00:13:38,141 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777727952] [2019-11-20 00:13:38,141 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/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 [2019-11-20 00:13:38,218 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-20 00:13:38,218 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 00:13:38,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 00:13:38,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:13:38,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:13:38,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 00:13:38,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2019-11-20 00:13:38,300 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777774359] [2019-11-20 00:13:38,300 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 00:13:38,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:13:38,300 INFO L82 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 2 times [2019-11-20 00:13:38,300 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:13:38,300 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859429346] [2019-11-20 00:13:38,301 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:13:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:13:38,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:13:38,308 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:13:38,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:13:38,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-20 00:13:38,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2019-11-20 00:13:38,352 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. cyclomatic complexity: 9 Second operand 13 states. [2019-11-20 00:13:38,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:13:38,470 INFO L93 Difference]: Finished difference Result 32 states and 39 transitions. [2019-11-20 00:13:38,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 00:13:38,471 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 39 transitions. [2019-11-20 00:13:38,472 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 00:13:38,472 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 21 states and 25 transitions. [2019-11-20 00:13:38,473 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-11-20 00:13:38,473 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-11-20 00:13:38,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 25 transitions. [2019-11-20 00:13:38,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 00:13:38,473 INFO L688 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2019-11-20 00:13:38,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 25 transitions. [2019-11-20 00:13:38,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2019-11-20 00:13:38,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-20 00:13:38,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2019-11-20 00:13:38,475 INFO L711 BuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2019-11-20 00:13:38,475 INFO L591 BuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2019-11-20 00:13:38,475 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-20 00:13:38,475 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 24 transitions. [2019-11-20 00:13:38,476 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 00:13:38,476 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:13:38,476 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:13:38,477 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:13:38,477 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 00:13:38,477 INFO L794 eck$LassoCheckResult]: Stem: 500#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 497#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~k~0, main_#t~ret11, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 498#L526 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 499#L526-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~k~0 := 0; 505#L531-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet10, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet10; 509#L531-2 main_#t~post9 := main_~k~0;main_~k~0 := 1 + main_#t~post9;havoc main_#t~post9; 510#L531-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet10, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet10; 507#L531-2 main_#t~post9 := main_~k~0;main_~k~0 := 1 + main_#t~post9;havoc main_#t~post9; 508#L531-3 assume !(main_~k~0 < main_~array_size~0); 511#L531-4 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_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, 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;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 506#L516-3 assume !!(test_fun_~i~0 < test_fun_~N); 496#L517-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 512#L517-1 assume !(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3; 503#L516-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 504#L516-3 assume !!(test_fun_~i~0 < test_fun_~N); 494#L517-3 [2019-11-20 00:13:38,477 INFO L796 eck$LassoCheckResult]: Loop: 494#L517-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 493#L517-1 assume !!(test_fun_#t~mem3 > 0);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);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(test_fun_#t~post5 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem4;havoc test_fun_#t~post5;test_fun_#t~post6 := test_fun_~res~0;test_fun_~res~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 494#L517-3 [2019-11-20 00:13:38,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:13:38,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1166615491, now seen corresponding path program 3 times [2019-11-20 00:13:38,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:13:38,478 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375568081] [2019-11-20 00:13:38,478 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:13:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:13:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:13:38,506 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:13:38,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:13:38,507 INFO L82 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 3 times [2019-11-20 00:13:38,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:13:38,507 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166946853] [2019-11-20 00:13:38,507 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:13:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:13:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:13:38,514 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:13:38,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:13:38,515 INFO L82 PathProgramCache]: Analyzing trace with hash 131023752, now seen corresponding path program 1 times [2019-11-20 00:13:38,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:13:38,515 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689544147] [2019-11-20 00:13:38,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:13:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:13:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:13:38,545 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:13:38,886 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 90 [2019-11-20 00:13:38,953 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 00:13:38,953 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 00:13:38,953 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 00:13:38,953 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 00:13:38,953 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 00:13:38,953 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:38,953 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 00:13:38,953 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 00:13:38,953 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-2.i_Iteration6_Lasso [2019-11-20 00:13:38,953 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 00:13:38,954 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 00:13:38,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:38,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:38,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:38,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:38,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:38,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:38,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:38,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:38,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:38,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:38,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:38,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:38,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:38,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:39,149 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-11-20 00:13:39,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:39,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:39,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:39,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:13:39,456 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 00:13:39,456 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:13:39,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:39,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:39,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:13:39,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:39,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:39,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:39,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:13:39,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:13:39,468 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:39,472 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 [2019-11-20 00:13:39,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:39,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:39,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:39,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:39,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:13:39,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:13:39,478 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:39,484 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 [2019-11-20 00:13:39,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:39,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:39,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:39,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:39,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:13:39,486 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:13:39,493 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:13:39,505 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 [2019-11-20 00:13:39,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:39,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:13:39,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:39,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:39,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:39,508 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:13:39,508 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:13:39,509 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:39,514 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 [2019-11-20 00:13:39,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:39,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:39,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:39,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:39,517 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:13:39,517 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:13:39,519 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:39,523 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 [2019-11-20 00:13:39,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:39,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:13:39,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:39,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:39,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:39,525 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:13:39,525 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:13:39,526 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:39,529 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 [2019-11-20 00:13:39,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:39,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:13:39,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:39,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:39,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:39,531 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:13:39,531 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:13:39,532 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:39,537 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 [2019-11-20 00:13:39,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:39,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:13:39,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:39,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:39,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:39,539 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:13:39,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:13:39,540 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:13:39,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:39,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:39,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:13:39,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:39,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:39,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:39,555 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:13:39,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:13:39,557 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:39,561 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 [2019-11-20 00:13:39,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:39,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:39,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:39,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:39,563 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:13:39,563 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:13:39,566 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:39,570 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 [2019-11-20 00:13:39,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:39,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:13:39,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:39,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:39,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:39,573 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:13:39,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:13:39,574 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/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 [2019-11-20 00:13:39,579 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 [2019-11-20 00:13:39,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:39,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:39,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:39,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:39,582 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:13:39,582 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:13:39,585 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:39,593 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 [2019-11-20 00:13:39,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:39,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:13:39,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:39,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:39,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:39,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:13:39,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:13:39,598 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:39,604 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 [2019-11-20 00:13:39,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:39,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:39,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:39,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:39,609 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:13:39,609 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:13:39,616 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:13:39,626 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 [2019-11-20 00:13:39,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:39,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:39,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:39,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:39,635 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:13:39,635 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:39,644 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:39,649 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 [2019-11-20 00:13:39,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:13:39,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:13:39,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:13:39,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:13:39,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:13:39,651 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:13:39,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:13:39,652 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 00:13:39,654 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 00:13:39,654 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c9f5388-cbdd-45cb-aa2f-ccb2c5df4f40/bin/uautomizer/z3 Starting monitored process 47 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 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:13:39,657 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 00:13:39,657 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 00:13:39,657 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 00:13:39,657 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_2 Supporting invariants [] [2019-11-20 00:13:39,667 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2019-11-20 00:13:39,668 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 00:13:39,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:13:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:13:39,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 00:13:39,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:13:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:13:39,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 00:13:39,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:13:39,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:13:39,719 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 [2019-11-20 00:13:39,719 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-11-20 00:13:39,737 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 24 states and 28 transitions. Complement of second has 7 states. [2019-11-20 00:13:39,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 00:13:39,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 00:13:39,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2019-11-20 00:13:39,740 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 15 letters. Loop has 2 letters. [2019-11-20 00:13:39,740 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:13:39,740 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 00:13:39,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:13:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:13:39,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 00:13:39,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:13:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:13:39,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 00:13:39,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:13:39,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:13:39,782 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 00:13:39,782 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-11-20 00:13:39,795 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 24 states and 28 transitions. Complement of second has 7 states. [2019-11-20 00:13:39,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 00:13:39,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 00:13:39,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2019-11-20 00:13:39,796 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 15 letters. Loop has 2 letters. [2019-11-20 00:13:39,796 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:13:39,796 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 00:13:39,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:13:39,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:13:39,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 00:13:39,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:13:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:13:39,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 00:13:39,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:13:39,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:13:39,836 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 00:13:39,836 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-11-20 00:13:39,857 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 26 states and 32 transitions. Complement of second has 6 states. [2019-11-20 00:13:39,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 00:13:39,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 00:13:39,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2019-11-20 00:13:39,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 15 letters. Loop has 2 letters. [2019-11-20 00:13:39,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:13:39,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 17 letters. Loop has 2 letters. [2019-11-20 00:13:39,859 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:13:39,859 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 15 letters. Loop has 4 letters. [2019-11-20 00:13:39,859 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:13:39,859 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 32 transitions. [2019-11-20 00:13:39,860 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 00:13:39,860 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2019-11-20 00:13:39,861 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 00:13:39,861 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 00:13:39,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 00:13:39,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 00:13:39,861 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 00:13:39,861 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 00:13:39,861 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 00:13:39,861 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-20 00:13:39,861 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 00:13:39,861 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 00:13:39,862 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 00:13:39,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 12:13:39 BoogieIcfgContainer [2019-11-20 00:13:39,868 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 00:13:39,868 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 00:13:39,868 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 00:13:39,869 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 00:13:39,869 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:13:33" (3/4) ... [2019-11-20 00:13:39,871 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 00:13:39,871 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 00:13:39,873 INFO L168 Benchmark]: Toolchain (without parser) took 7687.10 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 336.6 MB). Free memory was 946.0 MB in the beginning and 979.9 MB in the end (delta: -33.9 MB). Peak memory consumption was 302.7 MB. Max. memory is 11.5 GB. [2019-11-20 00:13:39,873 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:13:39,874 INFO L168 Benchmark]: CACSL2BoogieTranslator took 452.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -186.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-20 00:13:39,874 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-20 00:13:39,875 INFO L168 Benchmark]: Boogie Preprocessor took 25.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:13:39,875 INFO L168 Benchmark]: RCFGBuilder took 392.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2019-11-20 00:13:39,876 INFO L168 Benchmark]: BuchiAutomizer took 6768.79 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 187.2 MB). Free memory was 1.1 GB in the beginning and 979.9 MB in the end (delta: 124.1 MB). Peak memory consumption was 311.3 MB. Max. memory is 11.5 GB. [2019-11-20 00:13:39,876 INFO L168 Benchmark]: Witness Printer took 3.29 ms. Allocated memory is still 1.4 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:13:39,878 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 452.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -186.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 392.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6768.79 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 187.2 MB). Free memory was 1.1 GB in the beginning and 979.9 MB in the end (delta: 124.1 MB). Peak memory consumption was 311.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.29 ms. Allocated memory is still 1.4 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (2 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -2 * k + 1073741819 and consists of 6 locations. One deterministic module has affine ranking function N + -1 * i and consists of 3 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[numbers][numbers] and consists of 5 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[a][i * 4 + a] and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 13 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.7s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 5.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 20 states and ocurred in iteration 5. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 78 SDtfs, 113 SDslu, 86 SDs, 0 SdLazy, 152 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU2 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital144 mio100 ax112 hnf99 lsp81 ukn84 mio100 lsp60 div100 bol100 ite100 ukn100 eq176 hnf90 smp95 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 41ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...