./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Toulouse-BranchesToLoop-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Toulouse-BranchesToLoop-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/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 64bit --witnessprinter.graph.data.programhash 00af3b6676c9262f2d1d8ee1ad0dddc75df98c14 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:17:36,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:17:36,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:17:36,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:17:36,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:17:36,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:17:36,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:17:36,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:17:37,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:17:37,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:17:37,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:17:37,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:17:37,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:17:37,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:17:37,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:17:37,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:17:37,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:17:37,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:17:37,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:17:37,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:17:37,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:17:37,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:17:37,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:17:37,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:17:37,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:17:37,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:17:37,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:17:37,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:17:37,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:17:37,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:17:37,064 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:17:37,065 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:17:37,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:17:37,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:17:37,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:17:37,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:17:37,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:17:37,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:17:37,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:17:37,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:17:37,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:17:37,076 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-28 03:17:37,120 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:17:37,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:17:37,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:17:37,123 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:17:37,123 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:17:37,123 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:17:37,123 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:17:37,124 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:17:37,124 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:17:37,124 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:17:37,125 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:17:37,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:17:37,126 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:17:37,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:17:37,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:17:37,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:17:37,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:17:37,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:17:37,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:17:37,128 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:17:37,128 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:17:37,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:17:37,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:17:37,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:17:37,129 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:17:37,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:17:37,130 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:17:37,130 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:17:37,130 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:17:37,133 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:17:37,133 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00af3b6676c9262f2d1d8ee1ad0dddc75df98c14 [2020-11-28 03:17:37,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:17:37,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:17:37,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:17:37,475 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:17:37,476 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:17:37,477 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/Toulouse-BranchesToLoop-alloca.i [2020-11-28 03:17:37,565 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/bin/uautomizer/data/5437c5cb0/279ee0744e24420db22c9c88b764371b/FLAG863f51239 [2020-11-28 03:17:38,098 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:17:38,099 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/sv-benchmarks/c/termination-memory-alloca/Toulouse-BranchesToLoop-alloca.i [2020-11-28 03:17:38,126 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/bin/uautomizer/data/5437c5cb0/279ee0744e24420db22c9c88b764371b/FLAG863f51239 [2020-11-28 03:17:38,377 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/bin/uautomizer/data/5437c5cb0/279ee0744e24420db22c9c88b764371b [2020-11-28 03:17:38,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:17:38,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:17:38,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:17:38,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:17:38,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:17:38,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:38" (1/1) ... [2020-11-28 03:17:38,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b88728 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:38, skipping insertion in model container [2020-11-28 03:17:38,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:38" (1/1) ... [2020-11-28 03:17:38,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:17:38,443 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:17:38,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:17:38,760 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:17:38,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:17:38,888 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:17:38,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:38 WrapperNode [2020-11-28 03:17:38,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:17:38,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:17:38,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:17:38,893 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:17:38,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:38" (1/1) ... [2020-11-28 03:17:38,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:38" (1/1) ... [2020-11-28 03:17:38,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:17:38,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:17:38,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:17:38,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:17:38,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:38" (1/1) ... [2020-11-28 03:17:38,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:38" (1/1) ... [2020-11-28 03:17:38,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:38" (1/1) ... [2020-11-28 03:17:38,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:38" (1/1) ... [2020-11-28 03:17:38,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:38" (1/1) ... [2020-11-28 03:17:38,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:38" (1/1) ... [2020-11-28 03:17:38,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:38" (1/1) ... [2020-11-28 03:17:38,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:17:38,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:17:38,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:17:38,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:17:38,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/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 [2020-11-28 03:17:39,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 03:17:39,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 03:17:39,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:17:39,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:17:39,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:17:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:17:39,416 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:17:39,417 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-28 03:17:39,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:39 BoogieIcfgContainer [2020-11-28 03:17:39,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:17:39,419 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:17:39,420 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:17:39,423 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:17:39,424 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:17:39,424 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:17:38" (1/3) ... [2020-11-28 03:17:39,425 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@931a2c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:17:39, skipping insertion in model container [2020-11-28 03:17:39,425 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:17:39,425 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:38" (2/3) ... [2020-11-28 03:17:39,426 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@931a2c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:17:39, skipping insertion in model container [2020-11-28 03:17:39,426 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:17:39,426 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:39" (3/3) ... [2020-11-28 03:17:39,427 INFO L373 chiAutomizerObserver]: Analyzing ICFG Toulouse-BranchesToLoop-alloca.i [2020-11-28 03:17:39,474 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:17:39,478 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:17:39,479 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:17:39,479 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:17:39,479 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:17:39,479 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:17:39,479 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:17:39,479 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:17:39,492 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-11-28 03:17:39,508 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 03:17:39,508 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:17:39,509 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:17:39,513 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-28 03:17:39,513 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 03:17:39,514 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:17:39,514 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-11-28 03:17:39,515 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 03:17:39,515 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:17:39,515 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:17:39,516 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-28 03:17:39,516 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 03:17:39,523 INFO L794 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem14, main_#t~mem8, main_#t~mem9, main_#t~short10, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~m~0.base, main_~m~0.offset, main_~n~0.base, main_~n~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~m~0.base, main_~m~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~n~0.base, main_~n~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset; 4#L553true assume !(0 != main_#t~nondet7);havoc main_#t~nondet7;call write~int(-1, main_~x~0.base, main_~x~0.offset, 4); 12#L558-4true [2020-11-28 03:17:39,524 INFO L796 eck$LassoCheckResult]: Loop: 12#L558-4true call main_#t~mem8 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short10 := main_#t~mem8 < 100; 6#L558true assume !main_#t~short10; 9#L558-2true assume !!main_#t~short10;havoc main_#t~mem9;havoc main_#t~short10;havoc main_#t~mem8;call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem12 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem11 + main_#t~mem12, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem11;havoc main_#t~mem12;call main_#t~mem13 := read~int(main_~z~0.base, main_~z~0.offset, 4);call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13 - main_#t~mem14, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13;havoc main_#t~mem14; 12#L558-4true [2020-11-28 03:17:39,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:39,531 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2020-11-28 03:17:39,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:39,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836628150] [2020-11-28 03:17:39,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:39,713 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:39,755 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:39,786 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:39,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:39,794 INFO L82 PathProgramCache]: Analyzing trace with hash 41873, now seen corresponding path program 1 times [2020-11-28 03:17:39,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:39,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728046799] [2020-11-28 03:17:39,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:39,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:39,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:39,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728046799] [2020-11-28 03:17:39,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:39,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:17:39,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509859479] [2020-11-28 03:17:39,879 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-28 03:17:39,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:39,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:17:39,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:17:39,893 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 3 states. [2020-11-28 03:17:39,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:39,936 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2020-11-28 03:17:39,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:17:39,940 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2020-11-28 03:17:39,942 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 03:17:39,945 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 6 states and 7 transitions. [2020-11-28 03:17:39,946 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2020-11-28 03:17:39,947 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2020-11-28 03:17:39,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7 transitions. [2020-11-28 03:17:39,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:17:39,948 INFO L691 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2020-11-28 03:17:39,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 7 transitions. [2020-11-28 03:17:39,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2020-11-28 03:17:39,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-11-28 03:17:39,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2020-11-28 03:17:39,975 INFO L714 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2020-11-28 03:17:39,975 INFO L594 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2020-11-28 03:17:39,975 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:17:39,976 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2020-11-28 03:17:39,978 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 03:17:39,978 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:17:39,979 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:17:39,979 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-28 03:17:39,979 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 03:17:39,979 INFO L794 eck$LassoCheckResult]: Stem: 35#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 30#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem14, main_#t~mem8, main_#t~mem9, main_#t~short10, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~m~0.base, main_~m~0.offset, main_~n~0.base, main_~n~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~m~0.base, main_~m~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~n~0.base, main_~n~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset; 31#L553 assume !(0 != main_#t~nondet7);havoc main_#t~nondet7;call write~int(-1, main_~x~0.base, main_~x~0.offset, 4); 32#L558-4 [2020-11-28 03:17:39,980 INFO L796 eck$LassoCheckResult]: Loop: 32#L558-4 call main_#t~mem8 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short10 := main_#t~mem8 < 100; 33#L558 assume main_#t~short10;call main_#t~mem9 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short10 := main_#t~mem9 < 100; 34#L558-2 assume !!main_#t~short10;havoc main_#t~mem9;havoc main_#t~short10;havoc main_#t~mem8;call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem12 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem11 + main_#t~mem12, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem11;havoc main_#t~mem12;call main_#t~mem13 := read~int(main_~z~0.base, main_~z~0.offset, 4);call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13 - main_#t~mem14, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13;havoc main_#t~mem14; 32#L558-4 [2020-11-28 03:17:39,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:39,981 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2020-11-28 03:17:39,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:39,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344262401] [2020-11-28 03:17:39,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:40,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:40,028 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:40,068 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:40,075 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:40,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:40,076 INFO L82 PathProgramCache]: Analyzing trace with hash 41811, now seen corresponding path program 1 times [2020-11-28 03:17:40,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:40,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061662915] [2020-11-28 03:17:40,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:40,110 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:40,138 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:40,143 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:40,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:40,144 INFO L82 PathProgramCache]: Analyzing trace with hash 889571280, now seen corresponding path program 1 times [2020-11-28 03:17:40,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:40,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749203963] [2020-11-28 03:17:40,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:40,223 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:40,264 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:40,271 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:40,524 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2020-11-28 03:17:41,212 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 88 [2020-11-28 03:17:41,444 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-28 03:17:41,460 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:17:41,460 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:17:41,462 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:17:41,462 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:17:41,463 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:17:41,463 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:41,467 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:17:41,467 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:17:41,467 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop-alloca.i_Iteration2_Lasso [2020-11-28 03:17:41,468 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:17:41,468 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:17:41,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:41,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:41,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:41,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:41,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:41,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:41,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:41,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:41,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:41,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:41,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:42,238 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2020-11-28 03:17:42,492 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2020-11-28 03:17:42,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:42,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:42,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:42,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:42,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:42,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:43,458 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:17:43,464 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/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) [2020-11-28 03:17:43,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:43,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:43,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:43,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:43,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:43,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:43,503 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:43,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:43,510 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/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) [2020-11-28 03:17:43,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:43,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:43,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:43,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:43,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:43,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:43,568 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:43,568 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 [2020-11-28 03:17:43,571 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/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) [2020-11-28 03:17:43,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:43,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:43,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:43,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:43,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:43,628 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:43,629 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:43,634 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/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) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:43,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:43,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:43,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:43,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:43,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:43,677 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:43,679 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:43,687 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/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) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:43,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:43,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:43,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:43,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:43,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:43,730 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:43,731 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:43,747 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:43,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:43,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:43,795 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:43,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:43,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:43,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:43,796 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:43,796 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:43,799 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/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) [2020-11-28 03:17:43,852 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:43,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:43,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:43,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:43,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:43,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:43,856 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:43,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:43,858 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/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) [2020-11-28 03:17:43,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:43,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:43,911 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:43,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:43,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:43,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:43,912 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:43,912 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:43,916 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/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) [2020-11-28 03:17:43,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:43,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:43,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:43,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:43,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:43,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:43,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:43,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:43,983 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/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 [2020-11-28 03:17:44,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:44,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:44,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:44,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:44,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:44,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:44,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:44,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:44,044 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/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) [2020-11-28 03:17:44,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:44,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:44,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:44,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:44,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:44,107 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:44,109 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:44,119 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/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) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:44,152 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:44,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:44,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:44,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:44,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:44,161 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:44,161 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:44,170 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/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 [2020-11-28 03:17:44,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:44,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:44,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:44,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:44,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:44,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:44,216 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:44,231 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:17:44,344 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-11-28 03:17:44,345 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/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 [2020-11-28 03:17:44,361 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:17:44,371 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-11-28 03:17:44,371 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:17:44,371 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_1 + 199 Supporting invariants [-1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1 - 1 >= 0] [2020-11-28 03:17:44,816 INFO L297 tatePredicateManager]: 36 out of 40 supporting invariants were superfluous and have been removed [2020-11-28 03:17:44,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 03:17:44,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:44,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-28 03:17:44,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:45,002 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2020-11-28 03:17:45,011 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:17:45,029 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:17:45,030 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-28 03:17:45,030 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:13 [2020-11-28 03:17:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:45,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-28 03:17:45,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:45,104 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:17:45,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:45,217 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 [2020-11-28 03:17:45,218 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand 5 states. [2020-11-28 03:17:45,374 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2. Second operand 5 states. Result 12 states and 14 transitions. Complement of second has 7 states. [2020-11-28 03:17:45,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-28 03:17:45,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-28 03:17:45,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2020-11-28 03:17:45,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 3 letters. Loop has 3 letters. [2020-11-28 03:17:45,379 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:45,379 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 6 letters. Loop has 3 letters. [2020-11-28 03:17:45,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:45,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 3 letters. Loop has 6 letters. [2020-11-28 03:17:45,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:45,380 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2020-11-28 03:17:45,381 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 03:17:45,382 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 6 states and 6 transitions. [2020-11-28 03:17:45,382 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2020-11-28 03:17:45,382 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2020-11-28 03:17:45,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6 transitions. [2020-11-28 03:17:45,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:17:45,383 INFO L691 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2020-11-28 03:17:45,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 6 transitions. [2020-11-28 03:17:45,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2020-11-28 03:17:45,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-11-28 03:17:45,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2020-11-28 03:17:45,384 INFO L714 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2020-11-28 03:17:45,384 INFO L594 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2020-11-28 03:17:45,384 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-28 03:17:45,384 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 6 transitions. [2020-11-28 03:17:45,385 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 03:17:45,385 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:17:45,385 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:17:45,385 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-28 03:17:45,385 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 03:17:45,386 INFO L794 eck$LassoCheckResult]: Stem: 262#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 257#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem14, main_#t~mem8, main_#t~mem9, main_#t~short10, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~m~0.base, main_~m~0.offset, main_~n~0.base, main_~n~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~m~0.base, main_~m~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~n~0.base, main_~n~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset; 258#L553 assume 0 != main_#t~nondet7;havoc main_#t~nondet7;call write~int(1, main_~x~0.base, main_~x~0.offset, 4); 259#L558-4 [2020-11-28 03:17:45,386 INFO L796 eck$LassoCheckResult]: Loop: 259#L558-4 call main_#t~mem8 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short10 := main_#t~mem8 < 100; 260#L558 assume main_#t~short10;call main_#t~mem9 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short10 := main_#t~mem9 < 100; 261#L558-2 assume !!main_#t~short10;havoc main_#t~mem9;havoc main_#t~short10;havoc main_#t~mem8;call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem12 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem11 + main_#t~mem12, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem11;havoc main_#t~mem12;call main_#t~mem13 := read~int(main_~z~0.base, main_~z~0.offset, 4);call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13 - main_#t~mem14, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13;havoc main_#t~mem14; 259#L558-4 [2020-11-28 03:17:45,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:45,387 INFO L82 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2020-11-28 03:17:45,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:45,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000741794] [2020-11-28 03:17:45,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:45,436 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:45,467 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:45,472 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:45,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:45,473 INFO L82 PathProgramCache]: Analyzing trace with hash 41811, now seen corresponding path program 2 times [2020-11-28 03:17:45,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:45,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179888700] [2020-11-28 03:17:45,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:45,495 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:45,528 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:45,531 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:45,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:45,532 INFO L82 PathProgramCache]: Analyzing trace with hash 889511698, now seen corresponding path program 1 times [2020-11-28 03:17:45,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:45,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214941322] [2020-11-28 03:17:45,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:45,564 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:45,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:45,613 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:45,630 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:45,870 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2020-11-28 03:17:46,661 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 91 [2020-11-28 03:17:46,961 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-11-28 03:17:46,968 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:17:46,968 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:17:46,968 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:17:46,968 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:17:46,968 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:17:46,969 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:46,969 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:17:46,969 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:17:46,969 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop-alloca.i_Iteration3_Lasso [2020-11-28 03:17:46,969 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:17:46,969 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:17:46,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:46,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:46,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:47,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:47,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:47,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:47,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:47,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:47,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:47,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:47,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:47,704 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2020-11-28 03:17:48,011 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2020-11-28 03:17:48,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:48,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:48,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:48,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:48,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:48,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:48,737 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:17:48,737 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/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 [2020-11-28 03:17:48,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:48,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:48,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:48,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:48,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:48,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:48,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:48,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:48,750 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/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 [2020-11-28 03:17:48,778 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 [2020-11-28 03:17:48,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:48,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:48,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:48,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:48,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:48,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:48,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:48,788 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/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) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:48,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:48,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:48,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:48,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:48,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:48,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:48,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:48,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:48,820 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/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 [2020-11-28 03:17:48,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:48,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:48,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:48,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:48,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:48,845 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:48,846 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:48,849 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/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 [2020-11-28 03:17:48,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:48,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:48,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:48,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:48,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:48,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:48,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:48,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:48,911 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/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) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:48,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:48,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:48,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:48,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:48,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:48,941 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:48,942 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:48,945 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/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) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:48,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:48,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:48,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:48,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:48,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:48,973 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:48,974 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:48,977 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/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) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:49,012 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:49,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:49,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:49,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:49,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:49,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:49,014 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:49,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:49,016 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/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) [2020-11-28 03:17:49,040 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:49,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:49,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:49,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:49,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:49,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:49,042 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:49,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:49,043 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/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) [2020-11-28 03:17:49,064 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:49,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:49,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:49,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:49,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:49,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:49,066 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:49,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:49,067 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/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 [2020-11-28 03:17:49,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:49,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:49,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:49,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:49,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:49,095 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:49,095 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:49,101 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/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 [2020-11-28 03:17:49,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:49,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:49,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:49,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:49,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:49,129 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:49,129 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:49,136 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:17:49,144 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-11-28 03:17:49,144 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5877a2b6-0a48-4b97-aa6b-eb6972566123/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) [2020-11-28 03:17:49,146 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:49,148 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-11-28 03:17:49,148 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:17:49,148 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_2) = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_2 + 199 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_2 - 1 >= 0] [2020-11-28 03:17:49,335 INFO L297 tatePredicateManager]: 36 out of 40 supporting invariants were superfluous and have been removed [2020-11-28 03:17:49,342 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 03:17:49,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:49,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-28 03:17:49,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:49,392 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2020-11-28 03:17:49,393 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:17:49,400 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:17:49,400 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-28 03:17:49,400 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:13 [2020-11-28 03:17:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:49,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-28 03:17:49,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:49,428 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:17:49,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:49,526 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-11-28 03:17:49,526 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1 Second operand 5 states. [2020-11-28 03:17:49,600 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1. Second operand 5 states. Result 9 states and 10 transitions. Complement of second has 7 states. [2020-11-28 03:17:49,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-28 03:17:49,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-28 03:17:49,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. [2020-11-28 03:17:49,603 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 3 letters. Loop has 3 letters. [2020-11-28 03:17:49,603 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:49,603 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 6 letters. Loop has 3 letters. [2020-11-28 03:17:49,603 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:49,603 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 3 letters. Loop has 6 letters. [2020-11-28 03:17:49,603 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:49,603 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2020-11-28 03:17:49,604 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:17:49,604 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2020-11-28 03:17:49,604 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:17:49,604 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:17:49,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:17:49,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:17:49,605 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:17:49,605 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:17:49,605 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:17:49,605 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-28 03:17:49,605 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:17:49,605 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:17:49,605 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:17:49,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:17:49 BoogieIcfgContainer [2020-11-28 03:17:49,611 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:17:49,612 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:17:49,612 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:17:49,612 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:17:49,613 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:39" (3/4) ... [2020-11-28 03:17:49,616 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:17:49,616 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:17:49,617 INFO L168 Benchmark]: Toolchain (without parser) took 11236.58 ms. Allocated memory was 115.3 MB in the beginning and 201.3 MB in the end (delta: 86.0 MB). Free memory was 91.2 MB in the beginning and 134.1 MB in the end (delta: -42.9 MB). Peak memory consumption was 41.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:49,618 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 115.3 MB. Free memory was 72.9 MB in the beginning and 72.9 MB in the end (delta: 56.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:17:49,619 INFO L168 Benchmark]: CACSL2BoogieTranslator took 510.23 ms. Allocated memory is still 115.3 MB. Free memory was 90.9 MB in the beginning and 82.6 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:49,624 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.90 ms. Allocated memory is still 115.3 MB. Free memory was 82.6 MB in the beginning and 80.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:49,625 INFO L168 Benchmark]: Boogie Preprocessor took 24.96 ms. Allocated memory is still 115.3 MB. Free memory was 80.9 MB in the beginning and 79.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:49,626 INFO L168 Benchmark]: RCFGBuilder took 456.50 ms. Allocated memory is still 115.3 MB. Free memory was 79.6 MB in the beginning and 64.5 MB in the end (delta: 15.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:49,627 INFO L168 Benchmark]: BuchiAutomizer took 10192.02 ms. Allocated memory was 115.3 MB in the beginning and 201.3 MB in the end (delta: 86.0 MB). Free memory was 64.5 MB in the beginning and 134.1 MB in the end (delta: -69.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:49,628 INFO L168 Benchmark]: Witness Printer took 4.03 ms. Allocated memory is still 201.3 MB. Free memory is still 134.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:17:49,638 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 115.3 MB. Free memory was 72.9 MB in the beginning and 72.9 MB in the end (delta: 56.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 510.23 ms. Allocated memory is still 115.3 MB. Free memory was 90.9 MB in the beginning and 82.6 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.90 ms. Allocated memory is still 115.3 MB. Free memory was 82.6 MB in the beginning and 80.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.96 ms. Allocated memory is still 115.3 MB. Free memory was 80.9 MB in the beginning and 79.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 456.50 ms. Allocated memory is still 115.3 MB. Free memory was 79.6 MB in the beginning and 64.5 MB in the end (delta: 15.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 10192.02 ms. Allocated memory was 115.3 MB in the beginning and 201.3 MB in the end (delta: 86.0 MB). Free memory was 64.5 MB in the beginning and 134.1 MB in the end (delta: -69.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.03 ms. Allocated memory is still 201.3 MB. Free memory is still 134.1 MB. There was no memory consumed. Max. memory is 16.1 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[z][z] + 199 and consists of 5 locations. One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[y][y] + 199 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 9.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 15 SDtfs, 13 SDslu, 8 SDs, 0 SdLazy, 24 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital348 mio100 ax105 hnf100 lsp90 ukn56 mio100 lsp36 div100 bol100 ite100 ukn100 eq194 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms 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...