./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18.i -s /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3c7f8519a8c276dd62400de22bd8a8ed2f8e4176 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 04:55:06,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:55:06,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:55:06,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:55:06,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:55:06,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:55:06,079 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:55:06,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:55:06,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:55:06,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:55:06,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:55:06,098 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:55:06,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:55:06,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:55:06,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:55:06,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:55:06,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:55:06,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:55:06,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:55:06,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:55:06,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:55:06,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:55:06,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:55:06,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:55:06,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:55:06,120 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:55:06,121 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:55:06,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:55:06,122 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:55:06,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:55:06,124 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:55:06,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:55:06,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:55:06,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:55:06,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:55:06,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:55:06,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:55:06,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:55:06,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:55:06,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:55:06,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:55:06,130 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 04:55:06,155 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:55:06,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:55:06,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:55:06,156 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:55:06,156 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 04:55:06,157 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 04:55:06,157 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 04:55:06,157 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 04:55:06,157 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 04:55:06,157 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 04:55:06,157 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 04:55:06,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:55:06,158 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 04:55:06,158 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 04:55:06,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 04:55:06,158 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 04:55:06,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:55:06,159 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 04:55:06,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 04:55:06,159 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 04:55:06,159 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 04:55:06,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:55:06,160 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 04:55:06,160 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:55:06,160 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 04:55:06,160 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:55:06,160 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 04:55:06,160 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 04:55:06,161 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:55:06,161 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 04:55:06,161 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 04:55:06,162 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 04:55:06,162 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c7f8519a8c276dd62400de22bd8a8ed2f8e4176 [2019-11-20 04:55:06,309 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:55:06,322 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:55:06,325 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:55:06,326 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:55:06,327 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:55:06,332 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18.i [2019-11-20 04:55:06,392 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/data/7c9625e93/120f6871d033433ea134c106f51eb3dd/FLAG2b76a5c98 [2019-11-20 04:55:06,857 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:55:06,857 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/sv-benchmarks/c/ldv-memsafety/memleaks_test18.i [2019-11-20 04:55:06,873 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/data/7c9625e93/120f6871d033433ea134c106f51eb3dd/FLAG2b76a5c98 [2019-11-20 04:55:07,195 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/data/7c9625e93/120f6871d033433ea134c106f51eb3dd [2019-11-20 04:55:07,198 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:55:07,199 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:55:07,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:55:07,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:55:07,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:55:07,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:55:07" (1/1) ... [2019-11-20 04:55:07,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64eb0ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:07, skipping insertion in model container [2019-11-20 04:55:07,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:55:07" (1/1) ... [2019-11-20 04:55:07,214 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:55:07,289 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:55:07,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:55:07,690 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:55:07,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:55:07,837 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:55:07,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:07 WrapperNode [2019-11-20 04:55:07,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:55:07,839 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:55:07,839 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:55:07,839 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:55:07,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:07" (1/1) ... [2019-11-20 04:55:07,866 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:07" (1/1) ... [2019-11-20 04:55:07,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:55:07,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:55:07,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:55:07,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:55:07,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:07" (1/1) ... [2019-11-20 04:55:07,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:07" (1/1) ... [2019-11-20 04:55:07,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:07" (1/1) ... [2019-11-20 04:55:07,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:07" (1/1) ... [2019-11-20 04:55:07,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:07" (1/1) ... [2019-11-20 04:55:07,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:07" (1/1) ... [2019-11-20 04:55:07,913 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:07" (1/1) ... [2019-11-20 04:55:07,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:55:07,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:55:07,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:55:07,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:55:07,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:07,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 04:55:07,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 04:55:07,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 04:55:07,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 04:55:07,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 04:55:07,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-20 04:55:08,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:55:08,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:55:08,309 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 04:55:08,309 INFO L285 CfgBuilder]: Removed 12 assume(true) statements. [2019-11-20 04:55:08,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:55:08 BoogieIcfgContainer [2019-11-20 04:55:08,311 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 04:55:08,311 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 04:55:08,312 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 04:55:08,315 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 04:55:08,316 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 04:55:08,316 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 04:55:07" (1/3) ... [2019-11-20 04:55:08,317 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5477bd47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 04:55:08, skipping insertion in model container [2019-11-20 04:55:08,317 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 04:55:08,317 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:07" (2/3) ... [2019-11-20 04:55:08,318 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5477bd47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 04:55:08, skipping insertion in model container [2019-11-20 04:55:08,318 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 04:55:08,318 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:55:08" (3/3) ... [2019-11-20 04:55:08,319 INFO L371 chiAutomizerObserver]: Analyzing ICFG memleaks_test18.i [2019-11-20 04:55:08,358 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 04:55:08,358 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 04:55:08,358 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 04:55:08,359 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 04:55:08,359 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 04:55:08,359 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 04:55:08,359 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 04:55:08,359 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 04:55:08,369 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-20 04:55:08,388 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-20 04:55:08,388 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:55:08,388 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:55:08,394 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 04:55:08,394 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-20 04:55:08,395 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 04:55:08,395 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-20 04:55:08,396 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-20 04:55:08,396 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:55:08,397 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:55:08,397 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 04:55:08,397 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-20 04:55:08,402 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 8#L-1true havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 18#L527true assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 12#L530true entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset; 13#L764true assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 11#L768-3true [2019-11-20 04:55:08,403 INFO L796 eck$LassoCheckResult]: Loop: 11#L768-3true assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 4#L527-1true assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 15#L530-1true entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 7#L770true assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 9#L768-2true entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 11#L768-3true [2019-11-20 04:55:08,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:55:08,409 INFO L82 PathProgramCache]: Analyzing trace with hash 28695751, now seen corresponding path program 1 times [2019-11-20 04:55:08,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:55:08,417 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613638491] [2019-11-20 04:55:08,417 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:55:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:55:08,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:55:08,586 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613638491] [2019-11-20 04:55:08,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:55:08,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 04:55:08,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753580545] [2019-11-20 04:55:08,591 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 04:55:08,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:55:08,592 INFO L82 PathProgramCache]: Analyzing trace with hash 47811737, now seen corresponding path program 1 times [2019-11-20 04:55:08,592 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:55:08,592 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907783930] [2019-11-20 04:55:08,592 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:55:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:55:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:55:08,641 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:55:08,994 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-11-20 04:55:09,120 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-11-20 04:55:09,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:55:09,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 04:55:09,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 04:55:09,139 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 4 states. [2019-11-20 04:55:09,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:55:09,209 INFO L93 Difference]: Finished difference Result 32 states and 37 transitions. [2019-11-20 04:55:09,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 04:55:09,211 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2019-11-20 04:55:09,213 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2019-11-20 04:55:09,217 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 20 states and 25 transitions. [2019-11-20 04:55:09,218 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2019-11-20 04:55:09,218 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-11-20 04:55:09,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2019-11-20 04:55:09,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 04:55:09,220 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2019-11-20 04:55:09,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2019-11-20 04:55:09,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13. [2019-11-20 04:55:09,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-20 04:55:09,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2019-11-20 04:55:09,245 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-11-20 04:55:09,245 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-11-20 04:55:09,245 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 04:55:09,245 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2019-11-20 04:55:09,246 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-20 04:55:09,246 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:55:09,246 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:55:09,247 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 04:55:09,247 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-20 04:55:09,247 INFO L794 eck$LassoCheckResult]: Stem: 70#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 67#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 68#L527 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 71#L530 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset; 72#L764 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 69#L768-3 [2019-11-20 04:55:09,247 INFO L796 eck$LassoCheckResult]: Loop: 69#L768-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 62#L527-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 63#L530-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 64#L770 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 65#L768-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 69#L768-3 [2019-11-20 04:55:09,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:55:09,248 INFO L82 PathProgramCache]: Analyzing trace with hash 28693829, now seen corresponding path program 1 times [2019-11-20 04:55:09,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:55:09,248 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617928764] [2019-11-20 04:55:09,248 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:55:09,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:55:09,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:55:09,279 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:55:09,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:55:09,280 INFO L82 PathProgramCache]: Analyzing trace with hash 47811737, now seen corresponding path program 2 times [2019-11-20 04:55:09,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:55:09,281 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414851179] [2019-11-20 04:55:09,281 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:55:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:55:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:55:09,313 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:55:09,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:55:09,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1232444971, now seen corresponding path program 1 times [2019-11-20 04:55:09,314 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:55:09,314 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92035880] [2019-11-20 04:55:09,314 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:55:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:55:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:55:09,370 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:55:09,606 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-11-20 04:55:09,969 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-11-20 04:55:10,091 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-11-20 04:55:10,103 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 04:55:10,109 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 04:55:10,109 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 04:55:10,110 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 04:55:10,110 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 04:55:10,110 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:10,110 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 04:55:10,110 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 04:55:10,111 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18.i_Iteration2_Lasso [2019-11-20 04:55:10,111 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 04:55:10,111 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 04:55:10,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:10,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:10,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:10,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:10,443 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-11-20 04:55:10,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:10,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:10,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:10,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:10,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:10,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:10,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:10,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:10,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:10,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:10,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:10,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:10,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:10,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:11,100 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2019-11-20 04:55:11,300 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 04:55:11,304 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:11,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:11,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:11,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:11,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:11,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:11,321 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:55:11,321 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:55:11,325 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:11,329 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:11,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:11,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:55:11,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:11,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:11,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:11,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:55:11,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:55:11,333 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/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) [2019-11-20 04:55:11,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:11,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:11,359 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:55:11,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:11,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:11,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:11,360 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:55:11,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:11,362 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/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 [2019-11-20 04:55:11,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:11,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:11,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:11,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:11,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:11,394 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:55:11,394 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:55:11,405 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/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 [2019-11-20 04:55:11,422 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:11,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:11,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:11,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:11,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:11,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:55:11,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:55:11,434 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:55:11,450 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:11,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:11,452 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:55:11,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:11,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:11,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:11,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:55:11,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:11,456 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/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) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:11,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:11,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:11,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:11,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:11,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:11,474 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:55:11,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:55:11,485 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/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) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:11,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:11,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:11,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:55:11,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:11,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:11,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:11,503 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:55:11,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:55:11,513 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:55:11,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:11,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:11,532 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-20 04:55:11,533 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 04:55:11,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:11,568 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2019-11-20 04:55:11,569 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-20 04:55:11,607 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:11,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:11,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:11,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:11,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:11,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:11,645 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:55:11,646 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:55:11,669 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 04:55:11,720 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-11-20 04:55:11,720 INFO L444 ModelExtractionUtils]: 30 out of 43 variables were initially zero. Simplification set additionally 10 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:11,738 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 04:55:11,742 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 04:55:11,742 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 04:55:11,743 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~len~0, ULTIMATE.start_entry_point_~i~0) = 1*ULTIMATE.start_entry_point_~len~0 - 1*ULTIMATE.start_entry_point_~i~0 Supporting invariants [] [2019-11-20 04:55:11,761 INFO L297 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2019-11-20 04:55:11,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:55:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:55:11,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 04:55:11,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:55:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:55:11,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 04:55:11,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:55:11,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:55:11,861 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 04:55:11,862 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-20 04:55:11,921 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 27 states and 36 transitions. Complement of second has 6 states. [2019-11-20 04:55:11,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 04:55:11,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 04:55:11,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2019-11-20 04:55:11,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 5 letters. [2019-11-20 04:55:11,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:55:11,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 10 letters. Loop has 5 letters. [2019-11-20 04:55:11,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:55:11,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 10 letters. [2019-11-20 04:55:11,928 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:55:11,928 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2019-11-20 04:55:11,934 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-20 04:55:11,935 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 20 states and 26 transitions. [2019-11-20 04:55:11,936 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-20 04:55:11,936 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2019-11-20 04:55:11,936 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2019-11-20 04:55:11,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 04:55:11,936 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2019-11-20 04:55:11,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2019-11-20 04:55:11,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2019-11-20 04:55:11,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-20 04:55:11,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2019-11-20 04:55:11,939 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2019-11-20 04:55:11,939 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2019-11-20 04:55:11,939 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 04:55:11,939 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2019-11-20 04:55:11,940 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 04:55:11,940 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:55:11,940 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:55:11,941 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:55:11,941 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 04:55:11,941 INFO L794 eck$LassoCheckResult]: Stem: 186#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 183#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 184#L527 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 188#L530 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset; 189#L764 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 187#L768-3 assume !(entry_point_~i~0 < entry_point_~len~0); 180#L773 entry_point_~j~0 := entry_point_~i~0 - 1; 174#L774-3 [2019-11-20 04:55:11,941 INFO L796 eck$LassoCheckResult]: Loop: 174#L774-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 173#L774-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 174#L774-3 [2019-11-20 04:55:11,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:55:11,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1804966489, now seen corresponding path program 1 times [2019-11-20 04:55:11,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:55:11,942 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380811623] [2019-11-20 04:55:11,942 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:55:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:55:11,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:55:11,987 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380811623] [2019-11-20 04:55:11,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:55:11,988 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 04:55:11,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631924529] [2019-11-20 04:55:11,988 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 04:55:11,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:55:11,988 INFO L82 PathProgramCache]: Analyzing trace with hash 2435, now seen corresponding path program 1 times [2019-11-20 04:55:11,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:55:11,989 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746993287] [2019-11-20 04:55:11,989 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:55:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:55:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:55:11,996 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:55:12,040 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:55:12,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 04:55:12,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 04:55:12,041 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 8 Second operand 4 states. [2019-11-20 04:55:12,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:55:12,071 INFO L93 Difference]: Finished difference Result 27 states and 34 transitions. [2019-11-20 04:55:12,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 04:55:12,072 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 34 transitions. [2019-11-20 04:55:12,073 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-20 04:55:12,074 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 34 transitions. [2019-11-20 04:55:12,074 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2019-11-20 04:55:12,074 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2019-11-20 04:55:12,074 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 34 transitions. [2019-11-20 04:55:12,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 04:55:12,074 INFO L688 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2019-11-20 04:55:12,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 34 transitions. [2019-11-20 04:55:12,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 17. [2019-11-20 04:55:12,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-20 04:55:12,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2019-11-20 04:55:12,076 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2019-11-20 04:55:12,077 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2019-11-20 04:55:12,077 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 04:55:12,077 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2019-11-20 04:55:12,077 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 04:55:12,077 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:55:12,077 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:55:12,078 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:55:12,078 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 04:55:12,078 INFO L794 eck$LassoCheckResult]: Stem: 237#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 234#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 235#L527 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 239#L530 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset; 240#L764 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 238#L768-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 226#L527-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 227#L530-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 230#L770 assume entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0; 231#L773 entry_point_~j~0 := entry_point_~i~0 - 1; 225#L774-3 [2019-11-20 04:55:12,078 INFO L796 eck$LassoCheckResult]: Loop: 225#L774-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 224#L774-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 225#L774-3 [2019-11-20 04:55:12,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:55:12,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1232385447, now seen corresponding path program 1 times [2019-11-20 04:55:12,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:55:12,079 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956177332] [2019-11-20 04:55:12,079 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:55:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:55:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:55:12,128 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:55:12,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:55:12,129 INFO L82 PathProgramCache]: Analyzing trace with hash 2435, now seen corresponding path program 2 times [2019-11-20 04:55:12,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:55:12,129 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960789940] [2019-11-20 04:55:12,130 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:55:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:55:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:55:12,145 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:55:12,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:55:12,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1088560603, now seen corresponding path program 1 times [2019-11-20 04:55:12,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:55:12,150 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282775766] [2019-11-20 04:55:12,150 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:55:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:55:12,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:55:12,205 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282775766] [2019-11-20 04:55:12,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:55:12,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 04:55:12,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702039170] [2019-11-20 04:55:12,251 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:55:12,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 04:55:12,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 04:55:12,252 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 7 Second operand 4 states. [2019-11-20 04:55:12,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:55:12,297 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2019-11-20 04:55:12,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 04:55:12,298 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 32 transitions. [2019-11-20 04:55:12,299 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 04:55:12,300 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 21 states and 26 transitions. [2019-11-20 04:55:12,300 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-11-20 04:55:12,300 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-11-20 04:55:12,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 26 transitions. [2019-11-20 04:55:12,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 04:55:12,300 INFO L688 BuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2019-11-20 04:55:12,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 26 transitions. [2019-11-20 04:55:12,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 17. [2019-11-20 04:55:12,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-20 04:55:12,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2019-11-20 04:55:12,302 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-11-20 04:55:12,302 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-11-20 04:55:12,302 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-20 04:55:12,302 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2019-11-20 04:55:12,303 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 04:55:12,303 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:55:12,303 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:55:12,304 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:55:12,304 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 04:55:12,304 INFO L794 eck$LassoCheckResult]: Stem: 291#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 288#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 289#L527 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 293#L530 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset; 294#L764 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 292#L768-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 282#L527-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 283#L530-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 286#L770 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 287#L768-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 290#L768-3 assume !(entry_point_~i~0 < entry_point_~len~0); 285#L773 entry_point_~j~0 := entry_point_~i~0 - 1; 279#L774-3 [2019-11-20 04:55:12,304 INFO L796 eck$LassoCheckResult]: Loop: 279#L774-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 278#L774-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 279#L774-3 [2019-11-20 04:55:12,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:55:12,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1088615463, now seen corresponding path program 1 times [2019-11-20 04:55:12,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:55:12,310 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190276516] [2019-11-20 04:55:12,310 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:55:12,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:55:12,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:55:12,367 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190276516] [2019-11-20 04:55:12,367 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:55:12,367 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 04:55:12,368 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126343384] [2019-11-20 04:55:12,368 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 04:55:12,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:55:12,368 INFO L82 PathProgramCache]: Analyzing trace with hash 2435, now seen corresponding path program 3 times [2019-11-20 04:55:12,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:55:12,368 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281319822] [2019-11-20 04:55:12,368 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:55:12,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:55:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:55:12,378 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:55:12,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:55:12,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 04:55:12,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 04:55:12,415 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand 4 states. [2019-11-20 04:55:12,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:55:12,455 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2019-11-20 04:55:12,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 04:55:12,457 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 30 transitions. [2019-11-20 04:55:12,458 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2019-11-20 04:55:12,458 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 25 states and 28 transitions. [2019-11-20 04:55:12,458 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2019-11-20 04:55:12,459 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-11-20 04:55:12,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 28 transitions. [2019-11-20 04:55:12,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 04:55:12,459 INFO L688 BuchiCegarLoop]: Abstraction has 25 states and 28 transitions. [2019-11-20 04:55:12,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 28 transitions. [2019-11-20 04:55:12,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 17. [2019-11-20 04:55:12,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-20 04:55:12,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2019-11-20 04:55:12,461 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-11-20 04:55:12,461 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-11-20 04:55:12,461 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-20 04:55:12,461 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2019-11-20 04:55:12,462 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 04:55:12,462 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:55:12,462 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:55:12,462 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:55:12,462 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 04:55:12,462 INFO L794 eck$LassoCheckResult]: Stem: 344#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 341#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 342#L527 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 346#L530 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset; 347#L764 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 345#L768-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 335#L527-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 336#L530-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 339#L770 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 340#L768-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 343#L768-3 assume !(entry_point_~i~0 < entry_point_~len~0); 338#L773 entry_point_~j~0 := entry_point_~i~0 - 1; 332#L774-3 [2019-11-20 04:55:12,463 INFO L796 eck$LassoCheckResult]: Loop: 332#L774-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 331#L774-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 332#L774-3 [2019-11-20 04:55:12,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:55:12,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1031357161, now seen corresponding path program 1 times [2019-11-20 04:55:12,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:55:12,463 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100855781] [2019-11-20 04:55:12,463 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:55:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:55:12,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:55:12,516 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100855781] [2019-11-20 04:55:12,516 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155020207] [2019-11-20 04:55:12,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 04:55:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:55:12,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 04:55:12,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:55:12,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:55:12,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 04:55:12,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2019-11-20 04:55:12,628 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61068419] [2019-11-20 04:55:12,628 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 04:55:12,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:55:12,628 INFO L82 PathProgramCache]: Analyzing trace with hash 2435, now seen corresponding path program 4 times [2019-11-20 04:55:12,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:55:12,628 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364917724] [2019-11-20 04:55:12,629 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:55:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:55:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:55:12,646 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:55:12,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:55:12,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 04:55:12,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2019-11-20 04:55:12,711 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand 7 states. [2019-11-20 04:55:12,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:55:12,765 INFO L93 Difference]: Finished difference Result 32 states and 37 transitions. [2019-11-20 04:55:12,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 04:55:12,766 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2019-11-20 04:55:12,767 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-20 04:55:12,767 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 32 states and 37 transitions. [2019-11-20 04:55:12,768 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2019-11-20 04:55:12,768 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2019-11-20 04:55:12,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 37 transitions. [2019-11-20 04:55:12,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 04:55:12,768 INFO L688 BuchiCegarLoop]: Abstraction has 32 states and 37 transitions. [2019-11-20 04:55:12,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 37 transitions. [2019-11-20 04:55:12,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 22. [2019-11-20 04:55:12,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-20 04:55:12,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2019-11-20 04:55:12,770 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 26 transitions. [2019-11-20 04:55:12,770 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 26 transitions. [2019-11-20 04:55:12,770 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-20 04:55:12,770 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 26 transitions. [2019-11-20 04:55:12,771 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 04:55:12,771 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:55:12,771 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:55:12,772 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:55:12,772 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 04:55:12,772 INFO L794 eck$LassoCheckResult]: Stem: 436#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 433#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 434#L527 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 440#L530 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset; 441#L764 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 437#L768-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 438#L527-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 444#L530-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 443#L770 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 442#L768-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 439#L768-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 425#L527-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 426#L530-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 429#L770 assume entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0; 430#L773 entry_point_~j~0 := entry_point_~i~0 - 1; 424#L774-3 [2019-11-20 04:55:12,772 INFO L796 eck$LassoCheckResult]: Loop: 424#L774-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 423#L774-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 424#L774-3 [2019-11-20 04:55:12,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:55:12,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1033365559, now seen corresponding path program 1 times [2019-11-20 04:55:12,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:55:12,773 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227217421] [2019-11-20 04:55:12,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:55:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:55:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:55:12,818 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:55:12,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:55:12,819 INFO L82 PathProgramCache]: Analyzing trace with hash 2435, now seen corresponding path program 5 times [2019-11-20 04:55:12,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:55:12,819 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201640998] [2019-11-20 04:55:12,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:55:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:55:12,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:55:12,835 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:55:12,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:55:12,837 INFO L82 PathProgramCache]: Analyzing trace with hash -926855349, now seen corresponding path program 1 times [2019-11-20 04:55:12,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:55:12,837 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616611360] [2019-11-20 04:55:12,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:55:12,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:55:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:55:12,884 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:55:13,782 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 144 [2019-11-20 04:55:13,990 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-11-20 04:55:13,993 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 04:55:13,993 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 04:55:13,993 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 04:55:13,993 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 04:55:13,993 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 04:55:13,993 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:13,993 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 04:55:13,993 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 04:55:13,993 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18.i_Iteration7_Lasso [2019-11-20 04:55:13,993 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 04:55:13,994 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 04:55:13,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:14,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:14,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:14,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:14,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:14,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:14,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:14,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:14,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:14,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:14,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:14,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:14,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:14,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:14,285 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2019-11-20 04:55:14,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:14,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:14,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:14,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:14,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:14,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:14,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:14,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:55:14,747 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2019-11-20 04:55:14,842 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 04:55:14,843 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:14,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:14,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:14,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:14,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:14,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:14,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:55:14,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:55:14,861 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:14,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:14,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:14,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:55:14,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:14,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:14,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:14,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:55:14,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:55:14,877 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:14,883 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:14,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:14,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:14,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:14,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:14,887 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:55:14,887 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:55:14,891 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/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) [2019-11-20 04:55:14,908 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 Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:14,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:14,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:14,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:14,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:14,912 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:55:14,912 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:55:14,917 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:55:14,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:14,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:14,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:55:14,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:14,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:14,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:14,934 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:55:14,934 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:55:14,936 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:14,945 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:14,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:14,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:14,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:14,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:14,950 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:55:14,950 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:55:14,954 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:14,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:14,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:14,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:55:14,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:14,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:14,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:14,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:55:14,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:55:14,981 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/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 [2019-11-20 04:55:14,985 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:14,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:14,987 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:55:14,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:14,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:14,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:14,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:55:14,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:55:15,000 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/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 [2019-11-20 04:55:15,005 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:15,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:15,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:55:15,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:15,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:15,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:15,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:55:15,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:55:15,008 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:55:15,022 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:15,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:15,023 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:55:15,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:15,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:15,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:15,024 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:55:15,024 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:15,026 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:15,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:15,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:15,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:15,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:15,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:15,034 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:55:15,034 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:55:15,039 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/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) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:15,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:15,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:15,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:55:15,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:15,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:15,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:15,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:55:15,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:55:15,048 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:15,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:15,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:15,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:15,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:15,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:15,056 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:55:15,056 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:55:15,060 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:15,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:15,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:15,067 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:55:15,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:15,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:15,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:15,068 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:55:15,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:55:15,069 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:55:15,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:15,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:15,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:55:15,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:15,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:15,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:15,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:55:15,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:15,085 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:55:15,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:15,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:15,093 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2019-11-20 04:55:15,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:15,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:15,101 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 04:55:15,101 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:15,117 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:15,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:15,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:15,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:15,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:15,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:15,138 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:55:15,138 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:55:15,145 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:55:15,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:15,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:15,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:15,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:15,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:15,162 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:55:15,162 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:15,166 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:55:15,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:15,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:15,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:55:15,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:15,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:15,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:15,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:55:15,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:15,181 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:55:15,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:15,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:15,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:15,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:15,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:15,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:55:15,197 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:15,201 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:55:15,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:15,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:15,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:15,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:15,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:15,213 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:55:15,213 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:15,217 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:55:15,225 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:15,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:15,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:15,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:15,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:15,230 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:55:15,230 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:15,234 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:15,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:15,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:15,241 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:55:15,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:15,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:15,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:15,242 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:55:15,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:55:15,243 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:55:15,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:15,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:15,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:15,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:15,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:15,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:55:15,252 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:15,256 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:55:15,261 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:15,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:15,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:55:15,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:15,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:15,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:15,270 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:55:15,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:55:15,273 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:55:15,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:55:15,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:55:15,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:55:15,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:55:15,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:55:15,290 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:55:15,290 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:15,303 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 04:55:15,338 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2019-11-20 04:55:15,338 INFO L444 ModelExtractionUtils]: 3 out of 22 variables were initially zero. Simplification set additionally 14 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_003180a2-0849-4fa2-a553-b506b88b8a8c/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:55:15,346 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 04:55:15,348 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-20 04:55:15,348 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 04:55:15,348 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~len~0, ULTIMATE.start_entry_point_~j~0) = 1*ULTIMATE.start_entry_point_~len~0 + 2*ULTIMATE.start_entry_point_~j~0 Supporting invariants [1*ULTIMATE.start_entry_point_~len~0 - 10 >= 0] [2019-11-20 04:55:15,370 INFO L297 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2019-11-20 04:55:15,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:55:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:55:15,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 04:55:15,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:55:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:55:15,448 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 04:55:15,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:55:15,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:55:15,466 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-20 04:55:15,466 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 26 transitions. cyclomatic complexity: 6 Second operand 4 states. [2019-11-20 04:55:15,510 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 26 transitions. cyclomatic complexity: 6. Second operand 4 states. Result 24 states and 29 transitions. Complement of second has 5 states. [2019-11-20 04:55:15,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 04:55:15,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 04:55:15,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2019-11-20 04:55:15,511 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 15 letters. Loop has 2 letters. [2019-11-20 04:55:15,511 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:55:15,511 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 17 letters. Loop has 2 letters. [2019-11-20 04:55:15,512 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:55:15,512 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 15 letters. Loop has 4 letters. [2019-11-20 04:55:15,512 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:55:15,512 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2019-11-20 04:55:15,513 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 04:55:15,513 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2019-11-20 04:55:15,513 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 04:55:15,514 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 04:55:15,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 04:55:15,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 04:55:15,514 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:55:15,514 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:55:15,514 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:55:15,514 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-11-20 04:55:15,514 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 04:55:15,514 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 04:55:15,514 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 04:55:15,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 04:55:15 BoogieIcfgContainer [2019-11-20 04:55:15,525 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 04:55:15,525 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 04:55:15,525 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 04:55:15,526 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 04:55:15,526 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:55:08" (3/4) ... [2019-11-20 04:55:15,531 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 04:55:15,531 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 04:55:15,534 INFO L168 Benchmark]: Toolchain (without parser) took 8335.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.9 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -139.2 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. [2019-11-20 04:55:15,534 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:55:15,535 INFO L168 Benchmark]: CACSL2BoogieTranslator took 638.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -167.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-20 04:55:15,539 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 04:55:15,539 INFO L168 Benchmark]: Boogie Preprocessor took 28.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:55:15,540 INFO L168 Benchmark]: RCFGBuilder took 394.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-20 04:55:15,540 INFO L168 Benchmark]: BuchiAutomizer took 7213.84 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 53.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 184 B). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. [2019-11-20 04:55:15,541 INFO L168 Benchmark]: Witness Printer took 7.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:55:15,546 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 638.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -167.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 394.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7213.84 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 53.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 184 B). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. * Witness Printer took 7.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (5 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function len + -1 * i and consists of 4 locations. One deterministic module has affine ranking function len + 2 * j and consists of 4 locations. 5 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.1s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 6.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 42 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 22 states and ocurred in iteration 6. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 113 SDtfs, 141 SDslu, 120 SDs, 0 SdLazy, 100 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU4 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital255 mio100 ax111 hnf101 lsp83 ukn56 mio100 lsp58 div100 bol100 ite100 ukn100 eq191 hnf90 smp100 dnf109 smp92 tf100 neg98 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 91ms VariablesStem: 7 VariablesLoop: 8 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 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...