./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.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_58771fc6-c15e-49af-afe1-484dda7a5073/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/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 ba3b14ef0de39694a8a8eb7210506a4804ce5885 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:29:42,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:29:42,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:29:42,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:29:42,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:29:42,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:29:42,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:29:42,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:29:42,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:29:42,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:29:42,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:29:42,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:29:42,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:29:42,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:29:42,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:29:42,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:29:42,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:29:42,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:29:42,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:29:42,740 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:29:42,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:29:42,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:29:42,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:29:42,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:29:42,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:29:42,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:29:42,756 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:29:42,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:29:42,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:29:42,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:29:42,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:29:42,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:29:42,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:29:42,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:29:42,764 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:29:42,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:29:42,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:29:42,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:29:42,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:29:42,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:29:42,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:29:42,769 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 04:29:42,804 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:29:42,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:29:42,806 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:29:42,806 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:29:42,806 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 04:29:42,807 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 04:29:42,807 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 04:29:42,807 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 04:29:42,807 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 04:29:42,808 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 04:29:42,808 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 04:29:42,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:29:42,808 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 04:29:42,809 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 04:29:42,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 04:29:42,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 04:29:42,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:29:42,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 04:29:42,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 04:29:42,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 04:29:42,810 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 04:29:42,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:29:42,811 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 04:29:42,811 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:29:42,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 04:29:42,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:29:42,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 04:29:42,812 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 04:29:42,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:29:42,812 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 04:29:42,813 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 04:29:42,828 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 04:29:42,828 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_58771fc6-c15e-49af-afe1-484dda7a5073/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 -> ba3b14ef0de39694a8a8eb7210506a4804ce5885 [2019-11-20 04:29:43,038 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:29:43,051 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:29:43,054 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:29:43,056 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:29:43,057 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:29:43,058 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i [2019-11-20 04:29:43,123 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/bin/uautomizer/data/803feeba1/6163b43288f1482fa22891a0fd349365/FLAGa026216a1 [2019-11-20 04:29:43,660 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:29:43,660 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i [2019-11-20 04:29:43,695 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/bin/uautomizer/data/803feeba1/6163b43288f1482fa22891a0fd349365/FLAGa026216a1 [2019-11-20 04:29:43,968 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/bin/uautomizer/data/803feeba1/6163b43288f1482fa22891a0fd349365 [2019-11-20 04:29:43,972 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:29:43,973 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:29:43,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:29:43,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:29:43,979 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:29:43,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:29:43" (1/1) ... [2019-11-20 04:29:43,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18e1abf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:43, skipping insertion in model container [2019-11-20 04:29:43,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:29:43" (1/1) ... [2019-11-20 04:29:43,996 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:29:44,086 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:29:44,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:29:44,743 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:29:44,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:29:44,956 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:29:44,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:44 WrapperNode [2019-11-20 04:29:44,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:29:44,958 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:29:44,958 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:29:44,959 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:29:44,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:44" (1/1) ... [2019-11-20 04:29:44,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:44" (1/1) ... [2019-11-20 04:29:45,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:29:45,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:29:45,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:29:45,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:29:45,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:44" (1/1) ... [2019-11-20 04:29:45,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:44" (1/1) ... [2019-11-20 04:29:45,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:44" (1/1) ... [2019-11-20 04:29:45,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:44" (1/1) ... [2019-11-20 04:29:45,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:44" (1/1) ... [2019-11-20 04:29:45,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:44" (1/1) ... [2019-11-20 04:29:45,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:44" (1/1) ... [2019-11-20 04:29:45,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:29:45,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:29:45,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:29:45,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:29:45,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/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 04:29:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 04:29:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 04:29:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 04:29:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 04:29:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 04:29:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-20 04:29:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:29:45,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:29:45,480 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 04:29:45,480 INFO L285 CfgBuilder]: Removed 12 assume(true) statements. [2019-11-20 04:29:45,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:29:45 BoogieIcfgContainer [2019-11-20 04:29:45,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 04:29:45,483 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 04:29:45,483 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 04:29:45,487 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 04:29:45,488 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 04:29:45,488 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 04:29:43" (1/3) ... [2019-11-20 04:29:45,489 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a66be3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 04:29:45, skipping insertion in model container [2019-11-20 04:29:45,489 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 04:29:45,490 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:44" (2/3) ... [2019-11-20 04:29:45,490 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a66be3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 04:29:45, skipping insertion in model container [2019-11-20 04:29:45,490 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 04:29:45,491 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:29:45" (3/3) ... [2019-11-20 04:29:45,492 INFO L371 chiAutomizerObserver]: Analyzing ICFG memleaks_test18_1.i [2019-11-20 04:29:45,556 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 04:29:45,556 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 04:29:45,556 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 04:29:45,556 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 04:29:45,556 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 04:29:45,557 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 04:29:45,557 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 04:29:45,557 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 04:29:45,569 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-11-20 04:29:45,590 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-20 04:29:45,591 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:29:45,591 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:29:45,598 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 04:29:45,598 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-20 04:29:45,598 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 04:29:45,599 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-11-20 04:29:45,600 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-20 04:29:45,601 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:29:45,601 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:29:45,601 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 04:29:45,601 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-20 04:29:45,607 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$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$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 9#L-1true havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 17#L527true assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 13#L530true entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 8#L767true assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 12#L768-3true [2019-11-20 04:29:45,608 INFO L796 eck$LassoCheckResult]: Loop: 12#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); 10#L768-2true entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 12#L768-3true [2019-11-20 04:29:45,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:29:45,616 INFO L82 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2019-11-20 04:29:45,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:29:45,626 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134530665] [2019-11-20 04:29:45,626 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:29:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:29:45,848 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 04:29:45,849 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134530665] [2019-11-20 04:29:45,850 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:29:45,850 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 04:29:45,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625785612] [2019-11-20 04:29:45,855 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 04:29:45,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:29:45,856 INFO L82 PathProgramCache]: Analyzing trace with hash 49720347, now seen corresponding path program 1 times [2019-11-20 04:29:45,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:29:45,856 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833973855] [2019-11-20 04:29:45,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:29:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:29:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:29:45,923 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:29:46,229 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-11-20 04:29:46,375 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-11-20 04:29:46,379 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:29:46,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 04:29:46,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 04:29:46,398 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 4 states. [2019-11-20 04:29:46,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:29:46,499 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2019-11-20 04:29:46,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 04:29:46,502 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2019-11-20 04:29:46,505 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2019-11-20 04:29:46,510 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 20 states and 25 transitions. [2019-11-20 04:29:46,511 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2019-11-20 04:29:46,512 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-11-20 04:29:46,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2019-11-20 04:29:46,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 04:29:46,513 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2019-11-20 04:29:46,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2019-11-20 04:29:46,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13. [2019-11-20 04:29:46,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-20 04:29:46,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2019-11-20 04:29:46,553 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-11-20 04:29:46,553 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-11-20 04:29:46,553 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 04:29:46,554 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2019-11-20 04:29:46,555 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-20 04:29:46,556 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:29:46,556 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:29:46,557 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 04:29:46,557 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-20 04:29:46,557 INFO L794 eck$LassoCheckResult]: Stem: 68#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); 66#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_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;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; 67#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; 69#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;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 64#L767 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 65#L768-3 [2019-11-20 04:29:46,558 INFO L796 eck$LassoCheckResult]: Loop: 65#L768-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 59#L527-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 60#L530-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 61#L770 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$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); 63#L768-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 65#L768-3 [2019-11-20 04:29:46,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:29:46,558 INFO L82 PathProgramCache]: Analyzing trace with hash 28693831, now seen corresponding path program 1 times [2019-11-20 04:29:46,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:29:46,560 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949162917] [2019-11-20 04:29:46,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:29:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:29:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:29:46,647 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:29:46,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:29:46,651 INFO L82 PathProgramCache]: Analyzing trace with hash 49720347, now seen corresponding path program 2 times [2019-11-20 04:29:46,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:29:46,652 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494070187] [2019-11-20 04:29:46,652 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:29:46,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:29:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:29:46,723 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:29:46,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:29:46,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1173278059, now seen corresponding path program 1 times [2019-11-20 04:29:46,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:29:46,730 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334620007] [2019-11-20 04:29:46,730 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:29:46,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:29:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:29:46,818 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:29:47,096 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-11-20 04:29:47,210 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-11-20 04:29:47,582 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-11-20 04:29:47,729 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-11-20 04:29:47,746 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 04:29:47,747 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 04:29:47,747 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 04:29:47,748 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 04:29:47,748 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 04:29:47,748 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:29:47,749 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 04:29:47,759 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 04:29:47,760 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18_1.i_Iteration2_Lasso [2019-11-20 04:29:47,760 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 04:29:47,760 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 04:29:47,809 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 04:29:47,821 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 04:29:47,827 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 04:29:47,832 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 04:29:47,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:29:47,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:29:47,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:29:47,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:29:47,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:29:47,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:29:47,865 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 04:29:47,871 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 04:29:48,212 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-11-20 04:29:48,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:29:48,370 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 04:29:48,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:29:48,384 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 04:29:48,407 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 04:29:48,412 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 04:29:49,195 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2019-11-20 04:29:49,304 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 04:29:49,310 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/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 04:29:49,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:29:49,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:29:49,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:29:49,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:29:49,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:29:49,341 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:29:49,341 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:29:49,347 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:29:49,364 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 04:29:49,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:29:49,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:29:49,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:29:49,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:29:49,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:29:49,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:29:49,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:29:49,370 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:29:49,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:29:49,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:29:49,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:29:49,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:29:49,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:29:49,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:29:49,398 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:29:49,398 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:29:49,401 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:29:49,420 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 04:29:49,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:29:49,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:29:49,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:29:49,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:29:49,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:29:49,424 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:29:49,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:29:49,426 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/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 04:29:49,438 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 04:29:49,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:29:49,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:29:49,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:29:49,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:29:49,444 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:29:49,445 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:29:49,453 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/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 04:29:49,470 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 04:29:49,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:29:49,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:29:49,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:29:49,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:29:49,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:29:49,474 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:29:49,474 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 04:29:49,476 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/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 04:29:49,485 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 04:29:49,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:29:49,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:29:49,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:29:49,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:29:49,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:29:49,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:29:49,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:29:49,491 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/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 04:29:49,498 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 04:29:49,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:29:49,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:29:49,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:29:49,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:29:49,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:29:49,505 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:29:49,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:29:49,513 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/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) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:29:49,525 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 04:29:49,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:29:49,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:29:49,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:29:49,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:29:49,531 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:29:49,531 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:29:49,536 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/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) [2019-11-20 04:29:49,558 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 04:29:49,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:29:49,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:29:49,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:29:49,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:29:49,565 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:29:49,565 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:29:49,574 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/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) [2019-11-20 04:29:49,595 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 04:29:49,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:29:49,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:29:49,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:29:49,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:29:49,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:29:49,601 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:29:49,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:29:49,603 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:29:49,612 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 04:29:49,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:29:49,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:29:49,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:29:49,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:29:49,640 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:29:49,641 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:29:49,674 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 04:29:49,766 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2019-11-20 04:29:49,766 INFO L444 ModelExtractionUtils]: 18 out of 43 variables were initially zero. Simplification set additionally 20 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/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 04:29:49,778 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 04:29:49,783 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-20 04:29:49,783 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 04:29:49,784 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~i~0) = -2*ULTIMATE.start_entry_point_~i~0 + 19 Supporting invariants [-1*ULTIMATE.start_entry_point_~len~0 + 10 >= 0] [2019-11-20 04:29:49,819 INFO L297 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2019-11-20 04:29:49,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:29:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:29:49,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 04:29:49,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:29:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:29:49,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 04:29:49,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:29:49,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:29:49,986 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 04:29:49,987 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-11-20 04:29:50,096 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 27 states and 36 transitions. Complement of second has 7 states. [2019-11-20 04:29:50,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 04:29:50,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 04:29:50,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2019-11-20 04:29:50,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 5 letters. Loop has 5 letters. [2019-11-20 04:29:50,104 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:29:50,104 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 10 letters. Loop has 5 letters. [2019-11-20 04:29:50,104 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:29:50,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 5 letters. Loop has 10 letters. [2019-11-20 04:29:50,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:29:50,108 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2019-11-20 04:29:50,116 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-20 04:29:50,119 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 20 states and 26 transitions. [2019-11-20 04:29:50,121 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-20 04:29:50,121 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2019-11-20 04:29:50,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2019-11-20 04:29:50,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 04:29:50,122 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2019-11-20 04:29:50,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2019-11-20 04:29:50,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2019-11-20 04:29:50,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-20 04:29:50,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2019-11-20 04:29:50,127 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2019-11-20 04:29:50,127 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2019-11-20 04:29:50,128 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 04:29:50,128 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2019-11-20 04:29:50,130 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 04:29:50,130 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:29:50,130 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:29:50,131 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:29:50,131 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 04:29:50,132 INFO L794 eck$LassoCheckResult]: Stem: 196#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); 193#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_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;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; 194#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; 197#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;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 191#L767 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 192#L768-3 assume !(entry_point_~i~0 < entry_point_~len~0); 188#L773 entry_point_~j~0 := entry_point_~i~0 - 1; 182#L774-3 [2019-11-20 04:29:50,132 INFO L796 eck$LassoCheckResult]: Loop: 182#L774-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 181#L774-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 182#L774-3 [2019-11-20 04:29:50,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:29:50,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1804968475, now seen corresponding path program 1 times [2019-11-20 04:29:50,133 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:29:50,134 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420965535] [2019-11-20 04:29:50,134 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:29:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:29:50,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:29:50,238 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420965535] [2019-11-20 04:29:50,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:29:50,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 04:29:50,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758018687] [2019-11-20 04:29:50,239 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 04:29:50,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:29:50,239 INFO L82 PathProgramCache]: Analyzing trace with hash 2499, now seen corresponding path program 1 times [2019-11-20 04:29:50,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:29:50,240 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122836256] [2019-11-20 04:29:50,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:29:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:29:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:29:50,262 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:29:50,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:29:50,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 04:29:50,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 04:29:50,327 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 8 Second operand 4 states. [2019-11-20 04:29:50,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:29:50,358 INFO L93 Difference]: Finished difference Result 27 states and 34 transitions. [2019-11-20 04:29:50,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 04:29:50,364 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 34 transitions. [2019-11-20 04:29:50,365 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-20 04:29:50,366 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 34 transitions. [2019-11-20 04:29:50,367 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2019-11-20 04:29:50,367 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2019-11-20 04:29:50,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 34 transitions. [2019-11-20 04:29:50,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 04:29:50,367 INFO L688 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2019-11-20 04:29:50,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 34 transitions. [2019-11-20 04:29:50,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 17. [2019-11-20 04:29:50,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-20 04:29:50,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2019-11-20 04:29:50,370 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2019-11-20 04:29:50,370 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2019-11-20 04:29:50,370 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 04:29:50,370 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2019-11-20 04:29:50,371 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 04:29:50,371 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:29:50,371 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:29:50,372 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:29:50,372 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 04:29:50,372 INFO L794 eck$LassoCheckResult]: Stem: 247#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$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); 244#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_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;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; 245#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; 248#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;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 242#L767 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 243#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; 234#L527-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 235#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; 238#L770 assume entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0; 239#L773 entry_point_~j~0 := entry_point_~i~0 - 1; 233#L774-3 [2019-11-20 04:29:50,372 INFO L796 eck$LassoCheckResult]: Loop: 233#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; 232#L774-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 233#L774-3 [2019-11-20 04:29:50,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:29:50,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1173218535, now seen corresponding path program 1 times [2019-11-20 04:29:50,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:29:50,376 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580203656] [2019-11-20 04:29:50,376 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:29:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:29:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:29:50,433 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:29:50,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:29:50,437 INFO L82 PathProgramCache]: Analyzing trace with hash 2499, now seen corresponding path program 2 times [2019-11-20 04:29:50,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:29:50,437 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838417731] [2019-11-20 04:29:50,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:29:50,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:29:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:29:50,454 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:29:50,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:29:50,456 INFO L82 PathProgramCache]: Analyzing trace with hash 2113388251, now seen corresponding path program 1 times [2019-11-20 04:29:50,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:29:50,459 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581394305] [2019-11-20 04:29:50,460 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:29:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:29:50,497 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 04:29:50,498 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581394305] [2019-11-20 04:29:50,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:29:50,498 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 04:29:50,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782720872] [2019-11-20 04:29:50,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:29:50,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 04:29:50,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 04:29:50,538 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 7 Second operand 4 states. [2019-11-20 04:29:50,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:29:50,586 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2019-11-20 04:29:50,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 04:29:50,587 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 32 transitions. [2019-11-20 04:29:50,588 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 04:29:50,589 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 21 states and 26 transitions. [2019-11-20 04:29:50,589 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-11-20 04:29:50,590 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-11-20 04:29:50,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 26 transitions. [2019-11-20 04:29:50,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 04:29:50,590 INFO L688 BuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2019-11-20 04:29:50,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 26 transitions. [2019-11-20 04:29:50,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 17. [2019-11-20 04:29:50,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-20 04:29:50,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2019-11-20 04:29:50,593 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-11-20 04:29:50,593 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-11-20 04:29:50,593 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-20 04:29:50,593 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2019-11-20 04:29:50,594 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 04:29:50,594 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:29:50,594 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:29:50,595 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:29:50,595 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 04:29:50,595 INFO L794 eck$LassoCheckResult]: Stem: 301#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$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); 298#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_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;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; 299#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; 302#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;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 296#L767 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 297#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; 290#L527-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 291#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; 294#L770 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 295#L768-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 300#L768-3 assume !(entry_point_~i~0 < entry_point_~len~0); 293#L773 entry_point_~j~0 := entry_point_~i~0 - 1; 287#L774-3 [2019-11-20 04:29:50,595 INFO L796 eck$LassoCheckResult]: Loop: 287#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; 286#L774-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 287#L774-3 [2019-11-20 04:29:50,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:29:50,596 INFO L82 PathProgramCache]: Analyzing trace with hash 2113443111, now seen corresponding path program 1 times [2019-11-20 04:29:50,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:29:50,596 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255242641] [2019-11-20 04:29:50,596 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:29:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:29:50,649 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 04:29:50,649 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255242641] [2019-11-20 04:29:50,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:29:50,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 04:29:50,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41882931] [2019-11-20 04:29:50,650 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 04:29:50,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:29:50,650 INFO L82 PathProgramCache]: Analyzing trace with hash 2499, now seen corresponding path program 3 times [2019-11-20 04:29:50,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:29:50,651 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519285290] [2019-11-20 04:29:50,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:29:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:29:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:29:50,666 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:29:50,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:29:50,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 04:29:50,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 04:29:50,715 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand 4 states. [2019-11-20 04:29:50,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:29:50,757 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2019-11-20 04:29:50,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 04:29:50,758 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 30 transitions. [2019-11-20 04:29:50,760 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2019-11-20 04:29:50,760 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 25 states and 28 transitions. [2019-11-20 04:29:50,760 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2019-11-20 04:29:50,761 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-11-20 04:29:50,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 28 transitions. [2019-11-20 04:29:50,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 04:29:50,761 INFO L688 BuchiCegarLoop]: Abstraction has 25 states and 28 transitions. [2019-11-20 04:29:50,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 28 transitions. [2019-11-20 04:29:50,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 17. [2019-11-20 04:29:50,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-20 04:29:50,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2019-11-20 04:29:50,764 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-11-20 04:29:50,764 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-11-20 04:29:50,764 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-20 04:29:50,764 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2019-11-20 04:29:50,765 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 04:29:50,765 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:29:50,765 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:29:50,766 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:29:50,766 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 04:29:50,766 INFO L794 eck$LassoCheckResult]: Stem: 354#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); 351#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_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;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; 352#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; 355#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;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 349#L767 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 350#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; 343#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; 344#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; 347#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); 348#L768-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 353#L768-3 assume !(entry_point_~i~0 < entry_point_~len~0); 346#L773 entry_point_~j~0 := entry_point_~i~0 - 1; 340#L774-3 [2019-11-20 04:29:50,766 INFO L796 eck$LassoCheckResult]: Loop: 340#L774-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$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; 339#L774-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 340#L774-3 [2019-11-20 04:29:50,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:29:50,767 INFO L82 PathProgramCache]: Analyzing trace with hash 2056184809, now seen corresponding path program 1 times [2019-11-20 04:29:50,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:29:50,767 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280877712] [2019-11-20 04:29:50,768 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:29:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:29:50,858 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 04:29:50,858 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280877712] [2019-11-20 04:29:50,858 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438888371] [2019-11-20 04:29:50,858 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/bin/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 04:29:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:29:50,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 04:29:50,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:29:51,036 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 04:29:51,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 04:29:51,037 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2019-11-20 04:29:51,037 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302887867] [2019-11-20 04:29:51,038 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 04:29:51,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:29:51,038 INFO L82 PathProgramCache]: Analyzing trace with hash 2499, now seen corresponding path program 4 times [2019-11-20 04:29:51,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:29:51,038 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628273249] [2019-11-20 04:29:51,039 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:29:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:29:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:29:51,057 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:29:51,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:29:51,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 04:29:51,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2019-11-20 04:29:51,110 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand 7 states. [2019-11-20 04:29:51,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:29:51,159 INFO L93 Difference]: Finished difference Result 32 states and 37 transitions. [2019-11-20 04:29:51,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 04:29:51,160 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2019-11-20 04:29:51,161 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-20 04:29:51,162 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 32 states and 37 transitions. [2019-11-20 04:29:51,162 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2019-11-20 04:29:51,162 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2019-11-20 04:29:51,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 37 transitions. [2019-11-20 04:29:51,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 04:29:51,162 INFO L688 BuchiCegarLoop]: Abstraction has 32 states and 37 transitions. [2019-11-20 04:29:51,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 37 transitions. [2019-11-20 04:29:51,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 22. [2019-11-20 04:29:51,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-20 04:29:51,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2019-11-20 04:29:51,169 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 26 transitions. [2019-11-20 04:29:51,169 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 26 transitions. [2019-11-20 04:29:51,170 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-20 04:29:51,170 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 26 transitions. [2019-11-20 04:29:51,171 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 04:29:51,172 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:29:51,172 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:29:51,173 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:29:51,174 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 04:29:51,175 INFO L794 eck$LassoCheckResult]: Stem: 446#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$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); 443#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_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;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; 444#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; 448#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;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 441#L767 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 442#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; 447#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; 449#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; 439#L770 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 440#L768-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 445#L768-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 433#L527-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 434#L530-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 437#L770 assume entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0; 438#L773 entry_point_~j~0 := entry_point_~i~0 - 1; 432#L774-3 [2019-11-20 04:29:51,175 INFO L796 eck$LassoCheckResult]: Loop: 432#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; 431#L774-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 432#L774-3 [2019-11-20 04:29:51,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:29:51,175 INFO L82 PathProgramCache]: Analyzing trace with hash 979558027, now seen corresponding path program 1 times [2019-11-20 04:29:51,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:29:51,176 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854281019] [2019-11-20 04:29:51,176 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:29:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:29:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:29:51,231 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:29:51,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:29:51,232 INFO L82 PathProgramCache]: Analyzing trace with hash 2499, now seen corresponding path program 5 times [2019-11-20 04:29:51,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:29:51,233 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014474401] [2019-11-20 04:29:51,233 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:29:51,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:29:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:29:51,256 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:29:51,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:29:51,261 INFO L82 PathProgramCache]: Analyzing trace with hash 757427661, now seen corresponding path program 1 times [2019-11-20 04:29:51,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:29:51,262 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627815694] [2019-11-20 04:29:51,262 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:29:51,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:29:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:29:51,315 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:29:52,257 WARN L191 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 144 [2019-11-20 04:29:52,540 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-11-20 04:29:52,543 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 04:29:52,543 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 04:29:52,543 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 04:29:52,543 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 04:29:52,543 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 04:29:52,544 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:29:52,544 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 04:29:52,544 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 04:29:52,544 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18_1.i_Iteration7_Lasso [2019-11-20 04:29:52,544 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 04:29:52,544 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 04:29:52,553 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 04:29:52,562 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 04:29:52,565 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 04:29:52,569 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 04:29:52,573 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 04:29:52,576 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 04:29:52,580 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 04:29:52,583 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 04:29:52,586 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 04:29:52,588 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 04:29:52,592 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 04:29:52,597 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 04:29:52,601 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 04:29:52,605 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 04:29:52,613 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 04:29:52,616 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 04:29:52,620 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 04:29:52,855 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2019-11-20 04:29:52,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:29:52,912 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 04:29:52,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:29:52,920 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 04:29:52,927 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 04:29:53,404 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2019-11-20 04:29:53,463 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 04:29:53,463 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/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 04:29:53,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:29:53,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:29:53,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:29:53,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:29:53,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:29:53,476 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:29:53,477 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:29:53,486 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/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 04:29:53,499 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 Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:29:53,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:29:53,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:29:53,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:29:53,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:29:53,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:29:53,508 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:29:53,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:29:53,513 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/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 04:29:53,526 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 04:29:53,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:29:53,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:29:53,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:29:53,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:29:53,546 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:29:53,546 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:29:53,561 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/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 04:29:53,569 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 04:29:53,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:29:53,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:29:53,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:29:53,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:29:53,574 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:29:53,574 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:29:53,581 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/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) [2019-11-20 04:29:53,608 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 04:29:53,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:29:53,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:29:53,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:29:53,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:29:53,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:29:53,612 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:29:53,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:29:53,614 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:29:53,631 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 04:29:53,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:29:53,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:29:53,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:29:53,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:29:53,636 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:29:53,636 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:29:53,641 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:29:53,658 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 04:29:53,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:29:53,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:29:53,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:29:53,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:29:53,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:29:53,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:29:53,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:29:53,664 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/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 04:29:53,676 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 04:29:53,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:29:53,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:29:53,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:29:53,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:29:53,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:29:53,679 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:29:53,679 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 04:29:53,681 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/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) [2019-11-20 04:29:53,691 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 04:29:53,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:29:53,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:29:53,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:29:53,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:29:53,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:29:53,696 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:29:53,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:29:53,699 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:29:53,707 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 04:29:53,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:29:53,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:29:53,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:29:53,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:29:53,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:29:53,712 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:29:53,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:29:53,714 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/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 04:29:53,721 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 04:29:53,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:29:53,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:29:53,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:29:53,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:29:53,726 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:29:53,726 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:29:53,731 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/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 04:29:53,737 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 04:29:53,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:29:53,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:29:53,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:29:53,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:29:53,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:29:53,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:29:53,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:29:53,741 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/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 04:29:53,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:29:53,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:29:53,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:29:53,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:29:53,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:29:53,752 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:29:53,752 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:29:53,757 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/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 04:29:53,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:29:53,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:29:53,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:29:53,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:29:53,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:29:53,771 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:29:53,771 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 04:29:53,777 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/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) [2019-11-20 04:29:53,787 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 04:29:53,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:29:53,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:29:53,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:29:53,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:29:53,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:29:53,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:29:53,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:29:53,792 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/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) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:29:53,801 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 04:29:53,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:29:53,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:29:53,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:29:53,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:29:53,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:29:53,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:29:53,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:29:53,810 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/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 04:29:53,823 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 04:29:53,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:29:53,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:29:53,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:29:53,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:29:53,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:29:53,826 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:29:53,826 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 04:29:53,828 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/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 04:29:53,835 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 04:29:53,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:29:53,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:29:53,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:29:53,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:29:53,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:29:53,839 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:29:53,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:29:53,841 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/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 04:29:53,850 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 04:29:53,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:29:53,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:29:53,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:29:53,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:29:53,867 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:29:53,868 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:29:53,883 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 04:29:53,916 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-11-20 04:29:53,916 INFO L444 ModelExtractionUtils]: 3 out of 22 variables were initially zero. Simplification set additionally 16 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58771fc6-c15e-49af-afe1-484dda7a5073/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 04:29:53,921 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:29:53,925 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 04:29:53,925 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 04:29:53,926 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~j~0) = 2*ULTIMATE.start_entry_point_~j~0 + 1 Supporting invariants [] [2019-11-20 04:29:53,961 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-11-20 04:29:53,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:29:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:29:54,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 04:29:54,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:29:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:29:54,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 04:29:54,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:29:54,050 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 04:29:54,051 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 04:29:54,051 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 26 transitions. cyclomatic complexity: 6 Second operand 3 states. [2019-11-20 04:29:54,061 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 26 transitions. cyclomatic complexity: 6. Second operand 3 states. Result 24 states and 29 transitions. Complement of second has 4 states. [2019-11-20 04:29:54,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 04:29:54,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 04:29:54,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2019-11-20 04:29:54,062 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 15 letters. Loop has 2 letters. [2019-11-20 04:29:54,062 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:29:54,063 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 17 letters. Loop has 2 letters. [2019-11-20 04:29:54,063 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:29:54,063 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 15 letters. Loop has 4 letters. [2019-11-20 04:29:54,063 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:29:54,063 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2019-11-20 04:29:54,064 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 04:29:54,064 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2019-11-20 04:29:54,064 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 04:29:54,065 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 04:29:54,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 04:29:54,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 04:29:54,065 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:29:54,065 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:29:54,065 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:29:54,065 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-11-20 04:29:54,065 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 04:29:54,066 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 04:29:54,066 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 04:29:54,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 04:29:54 BoogieIcfgContainer [2019-11-20 04:29:54,072 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 04:29:54,072 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 04:29:54,072 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 04:29:54,073 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 04:29:54,073 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:29:45" (3/4) ... [2019-11-20 04:29:54,076 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 04:29:54,077 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 04:29:54,078 INFO L168 Benchmark]: Toolchain (without parser) took 10104.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -144.8 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. [2019-11-20 04:29:54,079 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:29:54,079 INFO L168 Benchmark]: CACSL2BoogieTranslator took 983.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -158.8 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-11-20 04:29:54,080 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.97 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-20 04:29:54,080 INFO L168 Benchmark]: Boogie Preprocessor took 45.08 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-20 04:29:54,081 INFO L168 Benchmark]: RCFGBuilder took 419.12 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 04:29:54,082 INFO L168 Benchmark]: BuchiAutomizer took 8589.54 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 45.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -12.5 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2019-11-20 04:29:54,082 INFO L168 Benchmark]: Witness Printer took 4.26 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 04:29:54,085 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 983.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -158.8 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.97 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.08 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 419.12 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 8589.54 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 45.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -12.5 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.26 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 -2 * i + 19 and consists of 5 locations. One deterministic module has affine ranking function 2 * j + 1 and consists of 3 locations. 5 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.5s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 7.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. 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, 139 SDslu, 109 SDs, 0 SdLazy, 92 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: 35ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...