./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/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 902bca7b1502ca5dcb44bb7e7d9bc6d169c57d43 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 00:46:03,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 00:46:03,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 00:46:03,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 00:46:03,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 00:46:03,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 00:46:03,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 00:46:03,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 00:46:03,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 00:46:03,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 00:46:03,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 00:46:03,650 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 00:46:03,650 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 00:46:03,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 00:46:03,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 00:46:03,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 00:46:03,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 00:46:03,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 00:46:03,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 00:46:03,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 00:46:03,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 00:46:03,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 00:46:03,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 00:46:03,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 00:46:03,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 00:46:03,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 00:46:03,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 00:46:03,680 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 00:46:03,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 00:46:03,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 00:46:03,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 00:46:03,683 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 00:46:03,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 00:46:03,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 00:46:03,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 00:46:03,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 00:46:03,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 00:46:03,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 00:46:03,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 00:46:03,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 00:46:03,690 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 00:46:03,691 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 00:46:03,712 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 00:46:03,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 00:46:03,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 00:46:03,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 00:46:03,714 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 00:46:03,714 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 00:46:03,714 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 00:46:03,715 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 00:46:03,715 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 00:46:03,715 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 00:46:03,715 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 00:46:03,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 00:46:03,716 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 00:46:03,716 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 00:46:03,717 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 00:46:03,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 00:46:03,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 00:46:03,717 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 00:46:03,718 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 00:46:03,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 00:46:03,718 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 00:46:03,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 00:46:03,719 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 00:46:03,719 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 00:46:03,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 00:46:03,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 00:46:03,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 00:46:03,720 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 00:46:03,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 00:46:03,721 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 00:46:03,721 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 00:46:03,722 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 00:46:03,722 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_b369de67-194e-4d27-88c1-129b8f076386/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 -> 902bca7b1502ca5dcb44bb7e7d9bc6d169c57d43 [2019-11-20 00:46:03,910 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 00:46:03,922 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 00:46:03,926 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 00:46:03,927 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 00:46:03,928 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 00:46:03,934 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2019-11-20 00:46:04,001 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/data/21a70e288/77c5e16bb55741db96783497edc31276/FLAGe1d951786 [2019-11-20 00:46:04,466 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 00:46:04,467 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2019-11-20 00:46:04,488 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/data/21a70e288/77c5e16bb55741db96783497edc31276/FLAGe1d951786 [2019-11-20 00:46:04,749 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/data/21a70e288/77c5e16bb55741db96783497edc31276 [2019-11-20 00:46:04,752 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 00:46:04,753 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 00:46:04,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 00:46:04,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 00:46:04,758 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 00:46:04,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:46:04" (1/1) ... [2019-11-20 00:46:04,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b992cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:04, skipping insertion in model container [2019-11-20 00:46:04,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:46:04" (1/1) ... [2019-11-20 00:46:04,770 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 00:46:04,852 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 00:46:05,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:46:05,501 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 00:46:05,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:46:05,673 INFO L192 MainTranslator]: Completed translation [2019-11-20 00:46:05,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:05 WrapperNode [2019-11-20 00:46:05,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 00:46:05,675 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 00:46:05,675 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 00:46:05,675 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 00:46:05,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:05" (1/1) ... [2019-11-20 00:46:05,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:05" (1/1) ... [2019-11-20 00:46:05,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 00:46:05,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 00:46:05,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 00:46:05,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 00:46:05,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:05" (1/1) ... [2019-11-20 00:46:05,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:05" (1/1) ... [2019-11-20 00:46:05,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:05" (1/1) ... [2019-11-20 00:46:05,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:05" (1/1) ... [2019-11-20 00:46:05,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:05" (1/1) ... [2019-11-20 00:46:05,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:05" (1/1) ... [2019-11-20 00:46:05,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:05" (1/1) ... [2019-11-20 00:46:05,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 00:46:05,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 00:46:05,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 00:46:05,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 00:46:05,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:05,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 00:46:05,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 00:46:05,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 00:46:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 00:46:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 00:46:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-20 00:46:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 00:46:05,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 00:46:06,393 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 00:46:06,393 INFO L285 CfgBuilder]: Removed 20 assume(true) statements. [2019-11-20 00:46:06,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:46:06 BoogieIcfgContainer [2019-11-20 00:46:06,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 00:46:06,395 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 00:46:06,395 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 00:46:06,400 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 00:46:06,402 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 00:46:06,402 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 12:46:04" (1/3) ... [2019-11-20 00:46:06,403 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d9bd336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:46:06, skipping insertion in model container [2019-11-20 00:46:06,403 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 00:46:06,404 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:05" (2/3) ... [2019-11-20 00:46:06,405 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d9bd336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:46:06, skipping insertion in model container [2019-11-20 00:46:06,405 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 00:46:06,406 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:46:06" (3/3) ... [2019-11-20 00:46:06,410 INFO L371 chiAutomizerObserver]: Analyzing ICFG memleaks_test17_2-2.i [2019-11-20 00:46:06,466 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 00:46:06,467 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 00:46:06,467 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 00:46:06,467 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 00:46:06,467 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 00:46:06,468 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 00:46:06,468 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 00:46:06,468 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 00:46:06,487 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states. [2019-11-20 00:46:06,508 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2019-11-20 00:46:06,509 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:46:06,509 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:46:06,515 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:46:06,515 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 00:46:06,515 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 00:46:06,516 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states. [2019-11-20 00:46:06,518 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2019-11-20 00:46:06,518 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:46:06,518 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:46:06,519 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:46:06,519 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 00:46:06,525 INFO L794 eck$LassoCheckResult]: Stem: 25#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 8#L-1true havoc entry_point_#t~ret44, entry_point_#t~ret45.base, entry_point_#t~ret45.offset, entry_point_#t~post46, entry_point_#t~ret47, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;havoc ldv_positive_#res;havoc ldv_positive_#t~nondet4, ldv_positive_~r~1;ldv_positive_~r~1 := ldv_positive_#t~nondet4;havoc ldv_positive_#t~nondet4; 9#L521true assume !(ldv_positive_~r~1 > 0);ldv_positive_#res := 1; 7#L522true entry_point_#t~ret44 := ldv_positive_#res;entry_point_~len~0 := entry_point_#t~ret44;havoc entry_point_#t~ret44;assume 0 != (if entry_point_~len~0 < 16777216 then 1 else 0);ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 28#L527true assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 11#L530true entry_point_#t~ret45.base, entry_point_#t~ret45.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret45.base, entry_point_#t~ret45.offset;havoc entry_point_#t~ret45.base, entry_point_#t~ret45.offset; 18#L790true assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 24#L791-3true [2019-11-20 00:46:06,525 INFO L796 eck$LassoCheckResult]: Loop: 24#L791-3true assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 6#L791-2true entry_point_#t~post46 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post46;havoc entry_point_#t~post46; 24#L791-3true [2019-11-20 00:46:06,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:06,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1806815372, now seen corresponding path program 1 times [2019-11-20 00:46:06,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:06,543 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282171412] [2019-11-20 00:46:06,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:46:06,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:46:06,744 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282171412] [2019-11-20 00:46:06,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:46:06,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 00:46:06,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924023786] [2019-11-20 00:46:06,751 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 00:46:06,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:06,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1827, now seen corresponding path program 1 times [2019-11-20 00:46:06,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:06,752 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995771422] [2019-11-20 00:46:06,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:06,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:06,805 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:46:06,919 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:46:06,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 00:46:06,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 00:46:06,934 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 4 states. [2019-11-20 00:46:07,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:46:07,036 INFO L93 Difference]: Finished difference Result 47 states and 56 transitions. [2019-11-20 00:46:07,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 00:46:07,039 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 56 transitions. [2019-11-20 00:46:07,042 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 19 [2019-11-20 00:46:07,050 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 35 states and 44 transitions. [2019-11-20 00:46:07,051 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2019-11-20 00:46:07,051 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2019-11-20 00:46:07,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 44 transitions. [2019-11-20 00:46:07,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 00:46:07,054 INFO L688 BuchiCegarLoop]: Abstraction has 35 states and 44 transitions. [2019-11-20 00:46:07,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 44 transitions. [2019-11-20 00:46:07,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 23. [2019-11-20 00:46:07,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-11-20 00:46:07,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 29 transitions. [2019-11-20 00:46:07,084 INFO L711 BuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2019-11-20 00:46:07,084 INFO L591 BuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2019-11-20 00:46:07,084 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 00:46:07,085 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 29 transitions. [2019-11-20 00:46:07,089 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2019-11-20 00:46:07,089 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:46:07,089 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:46:07,090 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:46:07,090 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 00:46:07,090 INFO L794 eck$LassoCheckResult]: Stem: 104#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); 101#L-1 havoc entry_point_#t~ret44, entry_point_#t~ret45.base, entry_point_#t~ret45.offset, entry_point_#t~post46, entry_point_#t~ret47, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;havoc ldv_positive_#res;havoc ldv_positive_#t~nondet4, ldv_positive_~r~1;ldv_positive_~r~1 := ldv_positive_#t~nondet4;havoc ldv_positive_#t~nondet4; 102#L521 assume !(ldv_positive_~r~1 > 0);ldv_positive_#res := 1; 99#L522 entry_point_#t~ret44 := ldv_positive_#res;entry_point_~len~0 := entry_point_#t~ret44;havoc entry_point_#t~ret44;assume 0 != (if entry_point_~len~0 < 16777216 then 1 else 0);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; 100#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; 106#L530 entry_point_#t~ret45.base, entry_point_#t~ret45.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret45.base, entry_point_#t~ret45.offset;havoc entry_point_#t~ret45.base, entry_point_#t~ret45.offset; 91#L790 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 92#L791-3 [2019-11-20 00:46:07,091 INFO L796 eck$LassoCheckResult]: Loop: 92#L791-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 98#L791-2 entry_point_#t~post46 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post46;havoc entry_point_#t~post46; 92#L791-3 [2019-11-20 00:46:07,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:07,091 INFO L82 PathProgramCache]: Analyzing trace with hash 1806813450, now seen corresponding path program 1 times [2019-11-20 00:46:07,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:07,092 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633015221] [2019-11-20 00:46:07,092 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:07,163 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:46:07,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:07,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1827, now seen corresponding path program 2 times [2019-11-20 00:46:07,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:07,168 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363415190] [2019-11-20 00:46:07,169 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:07,200 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:46:07,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:07,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1180938732, now seen corresponding path program 1 times [2019-11-20 00:46:07,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:07,203 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351496100] [2019-11-20 00:46:07,203 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:07,265 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:46:07,638 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2019-11-20 00:46:07,774 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-11-20 00:46:07,786 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 00:46:07,787 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 00:46:07,788 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 00:46:07,788 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 00:46:07,788 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 00:46:07,788 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:07,788 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 00:46:07,789 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 00:46:07,789 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test17_2-2.i_Iteration2_Lasso [2019-11-20 00:46:07,789 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 00:46:07,789 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 00:46:07,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:07,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:07,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:07,851 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 00:46:07,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:07,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:07,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:07,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:07,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:07,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:07,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:07,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:07,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:08,226 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-11-20 00:46:08,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:08,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:08,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:09,000 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2019-11-20 00:46:09,034 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 00:46:09,040 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/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 00:46:09,054 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:09,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:09,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:09,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:09,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:09,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:09,060 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:09,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:46:09,062 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:09,068 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:09,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:09,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:09,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:09,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:09,079 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:09,080 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:09,085 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:09,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:09,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:09,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:09,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:09,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:09,109 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:09,109 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:09,136 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:09,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:09,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:09,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:09,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:09,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:09,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:09,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:09,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:46:09,155 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/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 00:46:09,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:09,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:09,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:09,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:09,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:09,165 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:09,166 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:09,170 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:09,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:09,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:09,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:09,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:09,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:09,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:09,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:09,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:46:09,181 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/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 00:46:09,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:09,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:09,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:09,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:09,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:09,200 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:09,201 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:09,216 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/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 00:46:09,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:09,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:09,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:09,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:09,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:09,233 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:09,233 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:09,238 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:09,254 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:09,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:09,257 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:09,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:09,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:09,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:09,259 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:09,259 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:46:09,262 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:09,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:09,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:09,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:09,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:09,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:09,272 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:09,273 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:09,277 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:09,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:09,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:09,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:09,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:09,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:09,289 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:09,289 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:09,293 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/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 00:46:09,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:09,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:09,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:09,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:09,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:09,306 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:09,307 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:09,310 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:09,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:09,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:09,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:09,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:09,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:09,323 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:09,323 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:09,328 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:09,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:09,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:09,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:09,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:09,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:09,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:09,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:09,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:09,356 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:09,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:09,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:09,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:09,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:09,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:09,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:09,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:09,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:46:09,374 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:09,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:09,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:09,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:09,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:09,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:09,389 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:09,389 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:09,394 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:09,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:09,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:09,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:09,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:09,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:09,410 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:09,410 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:09,425 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:09,438 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 00:46:09,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:09,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:09,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:09,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:09,443 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:09,443 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:09,448 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/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 00:46:09,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:09,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:09,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:09,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:09,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:09,485 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:09,486 INFO L402 nArgumentSynthesizer]: A total of 2 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 00:46:09,494 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:09,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:09,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:09,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:09,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:09,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:09,530 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:09,530 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 00:46:09,557 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 00:46:09,665 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2019-11-20 00:46:09,666 INFO L444 ModelExtractionUtils]: 5 out of 34 variables were initially zero. Simplification set additionally 25 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:09,683 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:09,687 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 00:46:09,687 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 00:46:09,688 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~array~0.offset, ULTIMATE.start_entry_point_~i~2, v_rep(select #length ULTIMATE.start_ldv_malloc_#t~malloc12.base)_1) = -1*ULTIMATE.start_entry_point_~array~0.offset - 4*ULTIMATE.start_entry_point_~i~2 + 1*v_rep(select #length ULTIMATE.start_ldv_malloc_#t~malloc12.base)_1 Supporting invariants [] [2019-11-20 00:46:09,745 INFO L297 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2019-11-20 00:46:09,762 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 00:46:09,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:46:09,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 00:46:09,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:46:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:46:09,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 00:46:09,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:46:09,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:46:09,936 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2019-11-20 00:46:09,937 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 29 transitions. cyclomatic complexity: 10 Second operand 5 states. [2019-11-20 00:46:10,083 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 29 transitions. cyclomatic complexity: 10. Second operand 5 states. Result 36 states and 47 transitions. Complement of second has 9 states. [2019-11-20 00:46:10,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 00:46:10,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 00:46:10,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 17 transitions. [2019-11-20 00:46:10,088 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-20 00:46:10,089 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:46:10,090 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 9 letters. Loop has 2 letters. [2019-11-20 00:46:10,090 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:46:10,090 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 7 letters. Loop has 4 letters. [2019-11-20 00:46:10,090 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:46:10,091 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 47 transitions. [2019-11-20 00:46:10,096 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2019-11-20 00:46:10,097 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 29 states and 37 transitions. [2019-11-20 00:46:10,098 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2019-11-20 00:46:10,098 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2019-11-20 00:46:10,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 37 transitions. [2019-11-20 00:46:10,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 00:46:10,099 INFO L688 BuchiCegarLoop]: Abstraction has 29 states and 37 transitions. [2019-11-20 00:46:10,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 37 transitions. [2019-11-20 00:46:10,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 24. [2019-11-20 00:46:10,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-20 00:46:10,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 31 transitions. [2019-11-20 00:46:10,105 INFO L711 BuchiCegarLoop]: Abstraction has 24 states and 31 transitions. [2019-11-20 00:46:10,105 INFO L591 BuchiCegarLoop]: Abstraction has 24 states and 31 transitions. [2019-11-20 00:46:10,105 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 00:46:10,105 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 31 transitions. [2019-11-20 00:46:10,109 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2019-11-20 00:46:10,110 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:46:10,110 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:46:10,111 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:46:10,111 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-20 00:46:10,111 INFO L794 eck$LassoCheckResult]: Stem: 255#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); 252#L-1 havoc entry_point_#t~ret44, entry_point_#t~ret45.base, entry_point_#t~ret45.offset, entry_point_#t~post46, entry_point_#t~ret47, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;havoc ldv_positive_#res;havoc ldv_positive_#t~nondet4, ldv_positive_~r~1;ldv_positive_~r~1 := ldv_positive_#t~nondet4;havoc ldv_positive_#t~nondet4; 253#L521 assume !(ldv_positive_~r~1 > 0);ldv_positive_#res := 1; 249#L522 entry_point_#t~ret44 := ldv_positive_#res;entry_point_~len~0 := entry_point_#t~ret44;havoc entry_point_#t~ret44;assume 0 != (if entry_point_~len~0 < 16777216 then 1 else 0);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; 250#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; 256#L530 entry_point_#t~ret45.base, entry_point_#t~ret45.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret45.base, entry_point_#t~ret45.offset;havoc entry_point_#t~ret45.base, entry_point_#t~ret45.offset; 240#L790 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 241#L791-3 assume !(entry_point_~i~2 < entry_point_~len~0); 251#L791-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 254#L766-3 [2019-11-20 00:46:10,111 INFO L796 eck$LassoCheckResult]: Loop: 254#L766-3 assume !!(alloc_17_~i~0 < alloc_17_~len);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 234#L527-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 235#L530-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 244#L768 assume !(alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0);call write~$Pointer$(alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~i~0, 4); 246#L766-2 alloc_17_#t~post38 := alloc_17_~i~0;alloc_17_~i~0 := 1 + alloc_17_#t~post38;havoc alloc_17_#t~post38; 254#L766-3 [2019-11-20 00:46:10,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:10,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1180938674, now seen corresponding path program 1 times [2019-11-20 00:46:10,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:10,113 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561109629] [2019-11-20 00:46:10,113 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:46:10,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:46:10,224 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561109629] [2019-11-20 00:46:10,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:46:10,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 00:46:10,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844521923] [2019-11-20 00:46:10,225 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 00:46:10,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:10,226 INFO L82 PathProgramCache]: Analyzing trace with hash 67852142, now seen corresponding path program 1 times [2019-11-20 00:46:10,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:10,226 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199029469] [2019-11-20 00:46:10,226 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:10,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:10,263 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:46:10,535 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-11-20 00:46:10,656 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-11-20 00:46:10,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:46:10,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 00:46:10,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-20 00:46:10,658 INFO L87 Difference]: Start difference. First operand 24 states and 31 transitions. cyclomatic complexity: 11 Second operand 5 states. [2019-11-20 00:46:10,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:46:10,730 INFO L93 Difference]: Finished difference Result 46 states and 58 transitions. [2019-11-20 00:46:10,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 00:46:10,734 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 58 transitions. [2019-11-20 00:46:10,736 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2019-11-20 00:46:10,737 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 46 states and 58 transitions. [2019-11-20 00:46:10,737 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2019-11-20 00:46:10,738 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2019-11-20 00:46:10,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 58 transitions. [2019-11-20 00:46:10,742 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 00:46:10,743 INFO L688 BuchiCegarLoop]: Abstraction has 46 states and 58 transitions. [2019-11-20 00:46:10,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 58 transitions. [2019-11-20 00:46:10,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 29. [2019-11-20 00:46:10,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-20 00:46:10,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2019-11-20 00:46:10,749 INFO L711 BuchiCegarLoop]: Abstraction has 29 states and 36 transitions. [2019-11-20 00:46:10,749 INFO L591 BuchiCegarLoop]: Abstraction has 29 states and 36 transitions. [2019-11-20 00:46:10,749 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 00:46:10,750 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 36 transitions. [2019-11-20 00:46:10,750 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2019-11-20 00:46:10,755 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:46:10,755 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:46:10,756 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:46:10,757 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-20 00:46:10,758 INFO L794 eck$LassoCheckResult]: Stem: 337#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$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); 333#L-1 havoc entry_point_#t~ret44, entry_point_#t~ret45.base, entry_point_#t~ret45.offset, entry_point_#t~post46, entry_point_#t~ret47, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;havoc ldv_positive_#res;havoc ldv_positive_#t~nondet4, ldv_positive_~r~1;ldv_positive_~r~1 := ldv_positive_#t~nondet4;havoc ldv_positive_#t~nondet4; 334#L521 assume ldv_positive_~r~1 > 0;ldv_positive_#res := ldv_positive_~r~1; 336#L522 entry_point_#t~ret44 := ldv_positive_#res;entry_point_~len~0 := entry_point_#t~ret44;havoc entry_point_#t~ret44;assume 0 != (if entry_point_~len~0 < 16777216 then 1 else 0);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; 341#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; 342#L530 entry_point_#t~ret45.base, entry_point_#t~ret45.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret45.base, entry_point_#t~ret45.offset;havoc entry_point_#t~ret45.base, entry_point_#t~ret45.offset; 344#L790 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 343#L791-3 assume !(entry_point_~i~2 < entry_point_~len~0); 335#L791-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 338#L766-3 [2019-11-20 00:46:10,758 INFO L796 eck$LassoCheckResult]: Loop: 338#L766-3 assume !!(alloc_17_~i~0 < alloc_17_~len);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; 316#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; 317#L530-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 326#L768 assume !(alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0);call write~$Pointer$(alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~i~0, 4); 328#L766-2 alloc_17_#t~post38 := alloc_17_~i~0;alloc_17_~i~0 := 1 + alloc_17_#t~post38;havoc alloc_17_#t~post38; 338#L766-3 [2019-11-20 00:46:10,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:10,759 INFO L82 PathProgramCache]: Analyzing trace with hash -594068688, now seen corresponding path program 1 times [2019-11-20 00:46:10,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:10,760 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950429704] [2019-11-20 00:46:10,760 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:10,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:46:10,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:46:10,831 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950429704] [2019-11-20 00:46:10,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:46:10,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 00:46:10,832 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535265392] [2019-11-20 00:46:10,832 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 00:46:10,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:10,832 INFO L82 PathProgramCache]: Analyzing trace with hash 67852142, now seen corresponding path program 2 times [2019-11-20 00:46:10,833 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:10,833 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235258324] [2019-11-20 00:46:10,833 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:10,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:10,864 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:46:11,078 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-11-20 00:46:11,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:46:11,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 00:46:11,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-20 00:46:11,159 INFO L87 Difference]: Start difference. First operand 29 states and 36 transitions. cyclomatic complexity: 11 Second operand 5 states. [2019-11-20 00:46:11,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:46:11,215 INFO L93 Difference]: Finished difference Result 30 states and 36 transitions. [2019-11-20 00:46:11,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 00:46:11,218 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 36 transitions. [2019-11-20 00:46:11,219 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2019-11-20 00:46:11,219 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 30 states and 36 transitions. [2019-11-20 00:46:11,220 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2019-11-20 00:46:11,220 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2019-11-20 00:46:11,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 36 transitions. [2019-11-20 00:46:11,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 00:46:11,220 INFO L688 BuchiCegarLoop]: Abstraction has 30 states and 36 transitions. [2019-11-20 00:46:11,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 36 transitions. [2019-11-20 00:46:11,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2019-11-20 00:46:11,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-20 00:46:11,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 30 transitions. [2019-11-20 00:46:11,223 INFO L711 BuchiCegarLoop]: Abstraction has 24 states and 30 transitions. [2019-11-20 00:46:11,223 INFO L591 BuchiCegarLoop]: Abstraction has 24 states and 30 transitions. [2019-11-20 00:46:11,223 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-20 00:46:11,224 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 30 transitions. [2019-11-20 00:46:11,224 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2019-11-20 00:46:11,224 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:46:11,224 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:46:11,225 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:46:11,226 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-20 00:46:11,226 INFO L794 eck$LassoCheckResult]: Stem: 407#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); 404#L-1 havoc entry_point_#t~ret44, entry_point_#t~ret45.base, entry_point_#t~ret45.offset, entry_point_#t~post46, entry_point_#t~ret47, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;havoc ldv_positive_#res;havoc ldv_positive_#t~nondet4, ldv_positive_~r~1;ldv_positive_~r~1 := ldv_positive_#t~nondet4;havoc ldv_positive_#t~nondet4; 405#L521 assume !(ldv_positive_~r~1 > 0);ldv_positive_#res := 1; 402#L522 entry_point_#t~ret44 := ldv_positive_#res;entry_point_~len~0 := entry_point_#t~ret44;havoc entry_point_#t~ret44;assume 0 != (if entry_point_~len~0 < 16777216 then 1 else 0);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; 403#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; 409#L530 entry_point_#t~ret45.base, entry_point_#t~ret45.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret45.base, entry_point_#t~ret45.offset;havoc entry_point_#t~ret45.base, entry_point_#t~ret45.offset; 393#L790 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 394#L791-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 400#L791-2 entry_point_#t~post46 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post46;havoc entry_point_#t~post46; 401#L791-3 assume !(entry_point_~i~2 < entry_point_~len~0); 406#L791-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 408#L766-3 [2019-11-20 00:46:11,226 INFO L796 eck$LassoCheckResult]: Loop: 408#L766-3 assume !!(alloc_17_~i~0 < alloc_17_~len);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 387#L527-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 388#L530-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 397#L768 assume !(alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0);call write~$Pointer$(alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~i~0, 4); 399#L766-2 alloc_17_#t~post38 := alloc_17_~i~0;alloc_17_~i~0 := 1 + alloc_17_#t~post38;havoc alloc_17_#t~post38; 408#L766-3 [2019-11-20 00:46:11,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:11,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1010756116, now seen corresponding path program 1 times [2019-11-20 00:46:11,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:11,227 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767837458] [2019-11-20 00:46:11,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:11,259 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:46:11,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:11,260 INFO L82 PathProgramCache]: Analyzing trace with hash 67852142, now seen corresponding path program 3 times [2019-11-20 00:46:11,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:11,260 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646711883] [2019-11-20 00:46:11,261 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:11,276 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:46:11,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:11,276 INFO L82 PathProgramCache]: Analyzing trace with hash 754630971, now seen corresponding path program 1 times [2019-11-20 00:46:11,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:11,277 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282299331] [2019-11-20 00:46:11,277 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:11,327 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:46:11,507 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-11-20 00:46:12,077 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 122 [2019-11-20 00:46:12,283 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-11-20 00:46:12,286 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 00:46:12,286 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 00:46:12,286 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 00:46:12,286 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 00:46:12,287 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 00:46:12,287 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:12,287 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 00:46:12,287 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 00:46:12,287 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test17_2-2.i_Iteration5_Lasso [2019-11-20 00:46:12,287 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 00:46:12,287 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 00:46:12,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:12,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:12,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:12,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:12,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:12,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:12,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:12,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:12,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:12,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:12,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:12,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:12,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:12,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:12,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:12,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:12,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:12,743 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 82 [2019-11-20 00:46:12,878 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-11-20 00:46:12,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:12,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:12,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:12,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:12,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:12,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:12,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:13,430 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2019-11-20 00:46:13,630 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-11-20 00:46:13,718 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 00:46:13,718 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:13,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:13,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:13,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:13,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:13,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:13,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:13,728 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:13,728 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:46:13,729 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:13,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:13,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:13,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:13,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:13,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:13,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:13,736 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:13,736 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:46:13,737 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:13,742 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:13,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:13,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:13,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:13,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:13,745 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:13,745 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:13,750 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:13,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:13,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:13,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:13,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:13,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:13,758 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:13,758 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:13,765 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:13,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:13,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:13,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:13,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:13,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:13,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:13,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:13,781 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:13,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:13,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:13,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:13,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:13,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:13,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:13,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:13,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:13,812 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/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) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:13,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:13,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:13,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:13,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:13,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:13,821 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:13,822 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:13,827 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:13,831 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:13,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:13,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:13,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:13,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:13,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:13,834 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:13,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:46:13,835 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/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 00:46:13,839 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:13,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:13,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:13,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:13,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:13,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:13,842 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:13,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:46:13,844 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/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 00:46:13,863 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:13,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:13,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:13,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:13,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:13,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:13,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:13,866 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 00:46:13,869 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/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 00:46:13,883 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:13,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:13,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:13,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:13,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:13,887 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:13,887 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:13,891 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/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) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:13,896 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:13,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:13,897 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:13,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:13,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:13,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:13,898 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:13,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:46:13,899 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:13,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:13,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:13,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:13,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:13,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:13,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:13,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:13,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:46:13,911 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:13,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:13,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:13,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:13,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:13,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:13,920 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:13,920 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:13,925 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:13,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:13,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:13,941 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:13,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:13,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:13,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:13,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:13,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:13,944 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:13,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:13,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:13,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:13,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:13,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:13,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:13,953 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:13,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:13,955 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:13,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:13,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:13,968 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-20 00:46:13,968 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 00:46:13,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:14,004 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2019-11-20 00:46:14,004 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-20 00:46:14,046 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:14,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:14,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:14,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:14,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:14,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:14,072 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:14,072 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:14,081 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:14,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:14,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:14,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:14,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:14,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:14,094 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:14,094 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:14,099 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:14,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:14,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:14,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:14,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:14,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:14,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:14,109 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:14,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:14,111 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:14,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:14,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:14,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:14,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:14,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:14,126 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:14,126 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:14,131 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:14,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:14,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:14,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:14,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:14,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:14,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:14,142 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:14,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:14,144 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:14,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:14,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:14,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:14,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:14,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:14,156 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:14,156 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:14,161 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:14,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:14,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:14,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:14,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:14,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:14,171 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:14,171 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:14,176 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:14,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:14,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:14,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:14,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:14,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:14,200 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:14,201 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:14,206 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 48 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 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:14,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:14,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:14,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:14,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:14,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:14,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:14,215 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:14,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:46:14,217 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 49 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 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:14,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:14,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:14,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:14,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:14,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:14,226 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:14,226 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:14,233 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:14,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:14,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:14,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:14,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:14,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:14,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:14,245 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:14,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:14,247 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:14,254 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:14,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:14,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:14,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:14,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:14,258 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:14,258 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:14,264 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:14,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:14,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:14,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:14,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:14,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:14,275 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:14,275 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:14,281 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:14,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:14,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:14,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:14,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:14,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:14,316 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:14,316 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:14,362 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 00:46:14,426 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-20 00:46:14,426 INFO L444 ModelExtractionUtils]: 24 out of 58 variables were initially zero. Simplification set additionally 31 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:14,432 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:14,438 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 00:46:14,438 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 00:46:14,439 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_alloc_17_~i~0, ULTIMATE.start_alloc_17_~len) = -1*ULTIMATE.start_alloc_17_~i~0 + 1*ULTIMATE.start_alloc_17_~len Supporting invariants [] [2019-11-20 00:46:14,511 INFO L297 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2019-11-20 00:46:14,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:46:14,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 00:46:14,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:46:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:46:14,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 00:46:14,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:46:14,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:46:14,598 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 00:46:14,598 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 30 transitions. cyclomatic complexity: 10 Second operand 3 states. [2019-11-20 00:46:14,636 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 30 transitions. cyclomatic complexity: 10. Second operand 3 states. Result 43 states and 56 transitions. Complement of second has 6 states. [2019-11-20 00:46:14,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 00:46:14,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 00:46:14,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 32 transitions. [2019-11-20 00:46:14,638 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 11 letters. Loop has 5 letters. [2019-11-20 00:46:14,638 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:46:14,638 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 16 letters. Loop has 5 letters. [2019-11-20 00:46:14,639 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:46:14,639 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 11 letters. Loop has 10 letters. [2019-11-20 00:46:14,640 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:46:14,640 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 56 transitions. [2019-11-20 00:46:14,641 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2019-11-20 00:46:14,642 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 31 states and 40 transitions. [2019-11-20 00:46:14,642 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2019-11-20 00:46:14,643 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2019-11-20 00:46:14,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 40 transitions. [2019-11-20 00:46:14,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 00:46:14,643 INFO L688 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2019-11-20 00:46:14,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 40 transitions. [2019-11-20 00:46:14,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 28. [2019-11-20 00:46:14,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-11-20 00:46:14,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 37 transitions. [2019-11-20 00:46:14,647 INFO L711 BuchiCegarLoop]: Abstraction has 28 states and 37 transitions. [2019-11-20 00:46:14,647 INFO L591 BuchiCegarLoop]: Abstraction has 28 states and 37 transitions. [2019-11-20 00:46:14,647 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-20 00:46:14,647 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 37 transitions. [2019-11-20 00:46:14,648 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-20 00:46:14,648 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:46:14,648 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:46:14,649 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:46:14,649 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 00:46:14,649 INFO L794 eck$LassoCheckResult]: Stem: 585#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); 582#L-1 havoc entry_point_#t~ret44, entry_point_#t~ret45.base, entry_point_#t~ret45.offset, entry_point_#t~post46, entry_point_#t~ret47, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;havoc ldv_positive_#res;havoc ldv_positive_#t~nondet4, ldv_positive_~r~1;ldv_positive_~r~1 := ldv_positive_#t~nondet4;havoc ldv_positive_#t~nondet4; 583#L521 assume !(ldv_positive_~r~1 > 0);ldv_positive_#res := 1; 579#L522 entry_point_#t~ret44 := ldv_positive_#res;entry_point_~len~0 := entry_point_#t~ret44;havoc entry_point_#t~ret44;assume 0 != (if entry_point_~len~0 < 16777216 then 1 else 0);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; 580#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; 586#L530 entry_point_#t~ret45.base, entry_point_#t~ret45.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret45.base, entry_point_#t~ret45.offset;havoc entry_point_#t~ret45.base, entry_point_#t~ret45.offset; 569#L790 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 570#L791-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 577#L791-2 entry_point_#t~post46 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post46;havoc entry_point_#t~post46; 578#L791-3 assume !(entry_point_~i~2 < entry_point_~len~0); 581#L791-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 584#L766-3 assume !(alloc_17_~i~0 < alloc_17_~len); 588#L766-4 alloc_17_#res := 0; 568#L777 entry_point_#t~ret47 := alloc_17_#res;havoc entry_point_#t~ret47;free_17_#in~array.base, free_17_#in~array.offset, free_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc free_17_#t~mem43.base, free_17_#t~mem43.offset, free_17_#t~post42, free_17_~array.base, free_17_~array.offset, free_17_~len, free_17_~i~1;free_17_~array.base, free_17_~array.offset := free_17_#in~array.base, free_17_#in~array.offset;free_17_~len := free_17_#in~len;havoc free_17_~i~1;free_17_~i~1 := 0; 572#L781-3 [2019-11-20 00:46:14,650 INFO L796 eck$LassoCheckResult]: Loop: 572#L781-3 assume !!(free_17_~i~1 < free_17_~len);call free_17_#t~mem43.base, free_17_#t~mem43.offset := read~$Pointer$(free_17_~array.base, free_17_~array.offset + 4 * free_17_~i~1, 4);call ULTIMATE.dealloc(free_17_#t~mem43.base, free_17_#t~mem43.offset);havoc free_17_#t~mem43.base, free_17_#t~mem43.offset; 571#L781-2 free_17_#t~post42 := free_17_~i~1;free_17_~i~1 := 1 + free_17_#t~post42;havoc free_17_#t~post42; 572#L781-3 [2019-11-20 00:46:14,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:14,650 INFO L82 PathProgramCache]: Analyzing trace with hash -580221115, now seen corresponding path program 1 times [2019-11-20 00:46:14,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:14,650 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566573913] [2019-11-20 00:46:14,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:14,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:46:14,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 00:46:14,720 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566573913] [2019-11-20 00:46:14,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:46:14,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 00:46:14,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463641383] [2019-11-20 00:46:14,721 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 00:46:14,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:14,721 INFO L82 PathProgramCache]: Analyzing trace with hash 3683, now seen corresponding path program 1 times [2019-11-20 00:46:14,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:14,722 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220163610] [2019-11-20 00:46:14,722 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:14,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:14,730 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:46:14,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:46:14,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 00:46:14,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 00:46:14,768 INFO L87 Difference]: Start difference. First operand 28 states and 37 transitions. cyclomatic complexity: 13 Second operand 5 states. [2019-11-20 00:46:14,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:46:14,854 INFO L93 Difference]: Finished difference Result 67 states and 86 transitions. [2019-11-20 00:46:14,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 00:46:14,855 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 86 transitions. [2019-11-20 00:46:14,856 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 12 [2019-11-20 00:46:14,857 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 67 states and 86 transitions. [2019-11-20 00:46:14,857 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 49 [2019-11-20 00:46:14,857 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 49 [2019-11-20 00:46:14,857 INFO L73 IsDeterministic]: Start isDeterministic. Operand 67 states and 86 transitions. [2019-11-20 00:46:14,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 00:46:14,858 INFO L688 BuchiCegarLoop]: Abstraction has 67 states and 86 transitions. [2019-11-20 00:46:14,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states and 86 transitions. [2019-11-20 00:46:14,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 37. [2019-11-20 00:46:14,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-11-20 00:46:14,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions. [2019-11-20 00:46:14,861 INFO L711 BuchiCegarLoop]: Abstraction has 37 states and 48 transitions. [2019-11-20 00:46:14,861 INFO L591 BuchiCegarLoop]: Abstraction has 37 states and 48 transitions. [2019-11-20 00:46:14,861 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-20 00:46:14,861 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 48 transitions. [2019-11-20 00:46:14,862 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-20 00:46:14,862 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:46:14,862 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:46:14,862 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:46:14,862 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 00:46:14,862 INFO L794 eck$LassoCheckResult]: Stem: 694#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$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$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 688#L-1 havoc entry_point_#t~ret44, entry_point_#t~ret45.base, entry_point_#t~ret45.offset, entry_point_#t~post46, entry_point_#t~ret47, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;havoc ldv_positive_#res;havoc ldv_positive_#t~nondet4, ldv_positive_~r~1;ldv_positive_~r~1 := ldv_positive_#t~nondet4;havoc ldv_positive_#t~nondet4; 689#L521 assume ldv_positive_~r~1 > 0;ldv_positive_#res := ldv_positive_~r~1; 693#L522 entry_point_#t~ret44 := ldv_positive_#res;entry_point_~len~0 := entry_point_#t~ret44;havoc entry_point_#t~ret44;assume 0 != (if entry_point_~len~0 < 16777216 then 1 else 0);ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 704#L527 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 697#L530 entry_point_#t~ret45.base, entry_point_#t~ret45.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret45.base, entry_point_#t~ret45.offset;havoc entry_point_#t~ret45.base, entry_point_#t~ret45.offset; 698#L790 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 703#L791-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 684#L791-2 entry_point_#t~post46 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post46;havoc entry_point_#t~post46; 685#L791-3 assume !(entry_point_~i~2 < entry_point_~len~0); 695#L791-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 696#L766-3 assume !(alloc_17_~i~0 < alloc_17_~len); 701#L766-4 alloc_17_#res := 0; 675#L777 entry_point_#t~ret47 := alloc_17_#res;havoc entry_point_#t~ret47;free_17_#in~array.base, free_17_#in~array.offset, free_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc free_17_#t~mem43.base, free_17_#t~mem43.offset, free_17_#t~post42, free_17_~array.base, free_17_~array.offset, free_17_~len, free_17_~i~1;free_17_~array.base, free_17_~array.offset := free_17_#in~array.base, free_17_#in~array.offset;free_17_~len := free_17_#in~len;havoc free_17_~i~1;free_17_~i~1 := 0; 679#L781-3 [2019-11-20 00:46:14,863 INFO L796 eck$LassoCheckResult]: Loop: 679#L781-3 assume !!(free_17_~i~1 < free_17_~len);call free_17_#t~mem43.base, free_17_#t~mem43.offset := read~$Pointer$(free_17_~array.base, free_17_~array.offset + 4 * free_17_~i~1, 4);call ULTIMATE.dealloc(free_17_#t~mem43.base, free_17_#t~mem43.offset);havoc free_17_#t~mem43.base, free_17_#t~mem43.offset; 678#L781-2 free_17_#t~post42 := free_17_~i~1;free_17_~i~1 := 1 + free_17_#t~post42;havoc free_17_#t~post42; 679#L781-3 [2019-11-20 00:46:14,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:14,863 INFO L82 PathProgramCache]: Analyzing trace with hash -838386553, now seen corresponding path program 1 times [2019-11-20 00:46:14,863 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:14,863 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076511942] [2019-11-20 00:46:14,863 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:46:14,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 00:46:14,913 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076511942] [2019-11-20 00:46:14,914 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:46:14,914 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 00:46:14,914 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588699140] [2019-11-20 00:46:14,914 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 00:46:14,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:14,915 INFO L82 PathProgramCache]: Analyzing trace with hash 3683, now seen corresponding path program 2 times [2019-11-20 00:46:14,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:14,915 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068541400] [2019-11-20 00:46:14,915 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:14,924 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Exception during sending of exit command (exit): Broken pipe [2019-11-20 00:46:14,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:46:14,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 00:46:14,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 00:46:14,984 INFO L87 Difference]: Start difference. First operand 37 states and 48 transitions. cyclomatic complexity: 16 Second operand 5 states. [2019-11-20 00:46:15,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:46:15,039 INFO L93 Difference]: Finished difference Result 51 states and 64 transitions. [2019-11-20 00:46:15,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 00:46:15,040 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 64 transitions. [2019-11-20 00:46:15,041 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2019-11-20 00:46:15,042 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 51 states and 64 transitions. [2019-11-20 00:46:15,042 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2019-11-20 00:46:15,042 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2019-11-20 00:46:15,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 64 transitions. [2019-11-20 00:46:15,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 00:46:15,043 INFO L688 BuchiCegarLoop]: Abstraction has 51 states and 64 transitions. [2019-11-20 00:46:15,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 64 transitions. [2019-11-20 00:46:15,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 28. [2019-11-20 00:46:15,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-11-20 00:46:15,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2019-11-20 00:46:15,046 INFO L711 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2019-11-20 00:46:15,046 INFO L591 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2019-11-20 00:46:15,046 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-11-20 00:46:15,046 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 36 transitions. [2019-11-20 00:46:15,047 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-20 00:46:15,047 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:46:15,047 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:46:15,047 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:46:15,048 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 00:46:15,048 INFO L794 eck$LassoCheckResult]: Stem: 791#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); 788#L-1 havoc entry_point_#t~ret44, entry_point_#t~ret45.base, entry_point_#t~ret45.offset, entry_point_#t~post46, entry_point_#t~ret47, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;havoc ldv_positive_#res;havoc ldv_positive_#t~nondet4, ldv_positive_~r~1;ldv_positive_~r~1 := ldv_positive_#t~nondet4;havoc ldv_positive_#t~nondet4; 789#L521 assume !(ldv_positive_~r~1 > 0);ldv_positive_#res := 1; 786#L522 entry_point_#t~ret44 := ldv_positive_#res;entry_point_~len~0 := entry_point_#t~ret44;havoc entry_point_#t~ret44;assume 0 != (if entry_point_~len~0 < 16777216 then 1 else 0);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; 787#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; 793#L530 entry_point_#t~ret45.base, entry_point_#t~ret45.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret45.base, entry_point_#t~ret45.offset;havoc entry_point_#t~ret45.base, entry_point_#t~ret45.offset; 776#L790 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 777#L791-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 784#L791-2 entry_point_#t~post46 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post46;havoc entry_point_#t~post46; 785#L791-3 assume !(entry_point_~i~2 < entry_point_~len~0); 790#L791-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 792#L766-3 assume !!(alloc_17_~i~0 < alloc_17_~len);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; 768#L527-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 769#L530-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 780#L768 assume alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0; 781#L768-1 alloc_17_~j~0 := alloc_17_~i~0 - 1; 773#L773-3 [2019-11-20 00:46:15,048 INFO L796 eck$LassoCheckResult]: Loop: 773#L773-3 assume !!(alloc_17_~j~0 >= 0);call alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset := read~$Pointer$(alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~j~0, 4);call ULTIMATE.dealloc(alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset);havoc alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset;call write~$Pointer$(0, 0, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~j~0, 4); 772#L773-2 alloc_17_#t~post40 := alloc_17_~j~0;alloc_17_~j~0 := alloc_17_#t~post40 - 1;havoc alloc_17_#t~post40; 773#L773-3 [2019-11-20 00:46:15,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:15,048 INFO L82 PathProgramCache]: Analyzing trace with hash 754690497, now seen corresponding path program 1 times [2019-11-20 00:46:15,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:15,049 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103657816] [2019-11-20 00:46:15,049 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:15,077 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:46:15,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:15,082 INFO L82 PathProgramCache]: Analyzing trace with hash 3171, now seen corresponding path program 1 times [2019-11-20 00:46:15,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:15,083 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076882523] [2019-11-20 00:46:15,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:15,102 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:46:15,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:15,102 INFO L82 PathProgramCache]: Analyzing trace with hash -591903197, now seen corresponding path program 1 times [2019-11-20 00:46:15,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:15,103 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719160281] [2019-11-20 00:46:15,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:46:15,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 00:46:15,224 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719160281] [2019-11-20 00:46:15,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:46:15,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-20 00:46:15,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081292794] [2019-11-20 00:46:15,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:46:15,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 00:46:15,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-20 00:46:15,341 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. cyclomatic complexity: 12 Second operand 7 states. [2019-11-20 00:46:15,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:46:15,472 INFO L93 Difference]: Finished difference Result 71 states and 87 transitions. [2019-11-20 00:46:15,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-20 00:46:15,473 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 71 states and 87 transitions. [2019-11-20 00:46:15,474 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 12 [2019-11-20 00:46:15,475 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 71 states to 71 states and 87 transitions. [2019-11-20 00:46:15,475 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 53 [2019-11-20 00:46:15,475 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 53 [2019-11-20 00:46:15,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 87 transitions. [2019-11-20 00:46:15,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 00:46:15,476 INFO L688 BuchiCegarLoop]: Abstraction has 71 states and 87 transitions. [2019-11-20 00:46:15,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 87 transitions. [2019-11-20 00:46:15,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 47. [2019-11-20 00:46:15,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-20 00:46:15,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 61 transitions. [2019-11-20 00:46:15,480 INFO L711 BuchiCegarLoop]: Abstraction has 47 states and 61 transitions. [2019-11-20 00:46:15,480 INFO L591 BuchiCegarLoop]: Abstraction has 47 states and 61 transitions. [2019-11-20 00:46:15,480 INFO L424 BuchiCegarLoop]: ======== Iteration 9============ [2019-11-20 00:46:15,480 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states and 61 transitions. [2019-11-20 00:46:15,481 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-20 00:46:15,481 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:46:15,481 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:46:15,482 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:46:15,482 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 00:46:15,483 INFO L794 eck$LassoCheckResult]: Stem: 916#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); 910#L-1 havoc entry_point_#t~ret44, entry_point_#t~ret45.base, entry_point_#t~ret45.offset, entry_point_#t~post46, entry_point_#t~ret47, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;havoc ldv_positive_#res;havoc ldv_positive_#t~nondet4, ldv_positive_~r~1;ldv_positive_~r~1 := ldv_positive_#t~nondet4;havoc ldv_positive_#t~nondet4; 911#L521 assume ldv_positive_~r~1 > 0;ldv_positive_#res := ldv_positive_~r~1; 915#L522 entry_point_#t~ret44 := ldv_positive_#res;entry_point_~len~0 := entry_point_#t~ret44;havoc entry_point_#t~ret44;assume 0 != (if entry_point_~len~0 < 16777216 then 1 else 0);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; 926#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; 927#L530 entry_point_#t~ret45.base, entry_point_#t~ret45.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret45.base, entry_point_#t~ret45.offset;havoc entry_point_#t~ret45.base, entry_point_#t~ret45.offset; 898#L790 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 899#L791-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 912#L791-2 entry_point_#t~post46 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post46;havoc entry_point_#t~post46; 913#L791-3 assume !(entry_point_~i~2 < entry_point_~len~0); 914#L791-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 922#L766-3 assume !!(alloc_17_~i~0 < alloc_17_~len);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; 889#L527-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 890#L530-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 902#L768 assume alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0; 903#L768-1 alloc_17_~j~0 := alloc_17_~i~0 - 1; 895#L773-3 assume !(alloc_17_~j~0 >= 0); 896#L773-4 alloc_17_#res := 3; 897#L777 entry_point_#t~ret47 := alloc_17_#res;havoc entry_point_#t~ret47;free_17_#in~array.base, free_17_#in~array.offset, free_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc free_17_#t~mem43.base, free_17_#t~mem43.offset, free_17_#t~post42, free_17_~array.base, free_17_~array.offset, free_17_~len, free_17_~i~1;free_17_~array.base, free_17_~array.offset := free_17_#in~array.base, free_17_#in~array.offset;free_17_~len := free_17_#in~len;havoc free_17_~i~1;free_17_~i~1 := 0; 901#L781-3 [2019-11-20 00:46:15,483 INFO L796 eck$LassoCheckResult]: Loop: 901#L781-3 assume !!(free_17_~i~1 < free_17_~len);call free_17_#t~mem43.base, free_17_#t~mem43.offset := read~$Pointer$(free_17_~array.base, free_17_~array.offset + 4 * free_17_~i~1, 4);call ULTIMATE.dealloc(free_17_#t~mem43.base, free_17_#t~mem43.offset);havoc free_17_#t~mem43.base, free_17_#t~mem43.offset; 900#L781-2 free_17_#t~post42 := free_17_~i~1;free_17_~i~1 := 1 + free_17_#t~post42;havoc free_17_#t~post42; 901#L781-3 [2019-11-20 00:46:15,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:15,483 INFO L82 PathProgramCache]: Analyzing trace with hash 419216258, now seen corresponding path program 1 times [2019-11-20 00:46:15,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:15,484 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977588878] [2019-11-20 00:46:15,484 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:15,514 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:46:15,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:15,515 INFO L82 PathProgramCache]: Analyzing trace with hash 3683, now seen corresponding path program 3 times [2019-11-20 00:46:15,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:15,515 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629312166] [2019-11-20 00:46:15,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:15,521 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:46:15,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:15,522 INFO L82 PathProgramCache]: Analyzing trace with hash -860099164, now seen corresponding path program 1 times [2019-11-20 00:46:15,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:15,523 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815205040] [2019-11-20 00:46:15,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:15,555 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:46:16,342 WARN L191 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 157 [2019-11-20 00:46:16,542 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-11-20 00:46:16,544 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 00:46:16,544 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 00:46:16,544 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 00:46:16,544 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 00:46:16,544 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 00:46:16,544 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:16,545 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 00:46:16,545 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 00:46:16,545 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test17_2-2.i_Iteration9_Lasso [2019-11-20 00:46:16,545 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 00:46:16,545 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 00:46:16,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:16,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:16,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:16,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:16,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:16,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:16,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:16,906 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-11-20 00:46:16,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:16,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:16,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:16,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:16,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:16,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:16,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:16,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:16,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:16,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:16,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:16,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:16,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:16,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:16,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:16,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:17,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:17,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:17,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:17,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:17,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:17,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:17,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:17,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:17,310 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-11-20 00:46:17,562 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2019-11-20 00:46:17,736 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 00:46:17,736 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 55 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 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:17,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:17,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:17,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:17,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:17,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:17,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:17,745 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:17,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:46:17,746 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 56 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 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:17,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:17,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:17,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:17,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:17,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:17,770 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:17,770 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:17,773 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 57 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 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:17,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:17,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:17,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:17,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:17,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:17,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:17,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:17,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:46:17,781 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 58 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 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:17,787 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 00:46:17,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:17,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:17,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:17,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:17,791 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:17,791 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:17,795 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:17,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:17,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:17,809 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:17,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:17,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:17,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:17,810 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:17,810 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:17,812 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 60 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 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:17,819 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:17,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:17,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:17,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:17,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:17,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:17,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:17,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:46:17,823 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:17,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:17,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:17,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:17,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:17,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:17,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:17,843 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:17,848 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:17,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:17,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:17,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:17,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:17,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:17,869 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:17,869 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:17,873 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:17,880 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:17,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:17,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:17,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:17,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:17,886 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:17,887 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:17,895 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 64 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 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:17,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:17,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:17,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:17,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:17,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:17,904 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:17,904 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:17,907 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 65 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 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:17,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:17,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:17,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:17,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:17,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:17,914 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:17,914 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:17,917 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 66 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 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:17,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:17,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:17,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:17,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:17,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:17,926 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:17,926 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:17,932 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 67 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 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:17,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:17,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:17,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:17,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:17,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:17,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:17,939 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:17,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:46:17,940 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 68 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 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:17,945 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:17,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:17,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:17,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:17,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:17,948 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:17,948 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:17,951 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 69 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 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:17,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:17,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:17,958 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-20 00:46:17,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:17,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:17,964 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-20 00:46:17,964 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:17,972 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 70 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 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:17,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:17,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:17,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:17,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:17,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:17,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:17,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:17,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:46:17,980 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 71 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 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:17,985 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:17,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:17,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:17,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:17,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:17,999 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:17,999 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:18,016 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 00:46:18,068 INFO L443 ModelExtractionUtils]: Simplification made 24 calls to the SMT solver. [2019-11-20 00:46:18,068 INFO L444 ModelExtractionUtils]: 30 out of 55 variables were initially zero. Simplification set additionally 22 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 72 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 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:18,071 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 00:46:18,073 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 00:46:18,073 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 00:46:18,073 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_free_17_~i~1, ULTIMATE.start_free_17_~len) = -1*ULTIMATE.start_free_17_~i~1 + 1*ULTIMATE.start_free_17_~len Supporting invariants [] [2019-11-20 00:46:18,096 INFO L297 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2019-11-20 00:46:18,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:18,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:46:18,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 00:46:18,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:46:18,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:46:18,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 00:46:18,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:46:18,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:46:18,150 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 00:46:18,150 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 47 states and 61 transitions. cyclomatic complexity: 20 Second operand 3 states. [2019-11-20 00:46:18,164 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 47 states and 61 transitions. cyclomatic complexity: 20. Second operand 3 states. Result 49 states and 64 transitions. Complement of second has 4 states. [2019-11-20 00:46:18,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 00:46:18,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 00:46:18,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 29 transitions. [2019-11-20 00:46:18,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 29 transitions. Stem has 19 letters. Loop has 2 letters. [2019-11-20 00:46:18,165 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:46:18,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 29 transitions. Stem has 21 letters. Loop has 2 letters. [2019-11-20 00:46:18,166 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:46:18,166 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 29 transitions. Stem has 19 letters. Loop has 4 letters. [2019-11-20 00:46:18,166 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:46:18,166 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 64 transitions. [2019-11-20 00:46:18,167 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 00:46:18,168 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 23 states and 27 transitions. [2019-11-20 00:46:18,168 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-11-20 00:46:18,168 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-11-20 00:46:18,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 27 transitions. [2019-11-20 00:46:18,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 00:46:18,168 INFO L688 BuchiCegarLoop]: Abstraction has 23 states and 27 transitions. [2019-11-20 00:46:18,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 27 transitions. [2019-11-20 00:46:18,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2019-11-20 00:46:18,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-11-20 00:46:18,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2019-11-20 00:46:18,171 INFO L711 BuchiCegarLoop]: Abstraction has 23 states and 27 transitions. [2019-11-20 00:46:18,171 INFO L591 BuchiCegarLoop]: Abstraction has 23 states and 27 transitions. [2019-11-20 00:46:18,171 INFO L424 BuchiCegarLoop]: ======== Iteration 10============ [2019-11-20 00:46:18,171 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 27 transitions. [2019-11-20 00:46:18,172 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 00:46:18,172 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:46:18,172 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:46:18,173 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:46:18,173 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 00:46:18,173 INFO L794 eck$LassoCheckResult]: Stem: 1124#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); 1121#L-1 havoc entry_point_#t~ret44, entry_point_#t~ret45.base, entry_point_#t~ret45.offset, entry_point_#t~post46, entry_point_#t~ret47, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;havoc ldv_positive_#res;havoc ldv_positive_#t~nondet4, ldv_positive_~r~1;ldv_positive_~r~1 := ldv_positive_#t~nondet4;havoc ldv_positive_#t~nondet4; 1122#L521 assume ldv_positive_~r~1 > 0;ldv_positive_#res := ldv_positive_~r~1; 1118#L522 entry_point_#t~ret44 := ldv_positive_#res;entry_point_~len~0 := entry_point_#t~ret44;havoc entry_point_#t~ret44;assume 0 != (if entry_point_~len~0 < 16777216 then 1 else 0);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; 1119#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; 1125#L530 entry_point_#t~ret45.base, entry_point_#t~ret45.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret45.base, entry_point_#t~ret45.offset;havoc entry_point_#t~ret45.base, entry_point_#t~ret45.offset; 1110#L790 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 1111#L791-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1116#L791-2 entry_point_#t~post46 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post46;havoc entry_point_#t~post46; 1117#L791-3 assume !(entry_point_~i~2 < entry_point_~len~0); 1120#L791-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 1123#L766-3 assume !!(alloc_17_~i~0 < alloc_17_~len);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; 1106#L527-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 1107#L530-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 1114#L768 assume !(alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0);call write~$Pointer$(alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~i~0, 4); 1115#L766-2 alloc_17_#t~post38 := alloc_17_~i~0;alloc_17_~i~0 := 1 + alloc_17_#t~post38;havoc alloc_17_#t~post38; 1126#L766-3 assume !!(alloc_17_~i~0 < alloc_17_~len);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; 1104#L527-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 1105#L530-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 1112#L768 assume alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0; 1113#L768-1 alloc_17_~j~0 := alloc_17_~i~0 - 1; 1109#L773-3 [2019-11-20 00:46:18,174 INFO L796 eck$LassoCheckResult]: Loop: 1109#L773-3 assume !!(alloc_17_~j~0 >= 0);call alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset := read~$Pointer$(alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~j~0, 4);call ULTIMATE.dealloc(alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset);havoc alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset;call write~$Pointer$(0, 0, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~j~0, 4); 1108#L773-2 alloc_17_#t~post40 := alloc_17_~j~0;alloc_17_~j~0 := alloc_17_#t~post40 - 1;havoc alloc_17_#t~post40; 1109#L773-3 [2019-11-20 00:46:18,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:18,174 INFO L82 PathProgramCache]: Analyzing trace with hash 718228858, now seen corresponding path program 1 times [2019-11-20 00:46:18,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:18,174 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040690628] [2019-11-20 00:46:18,174 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:18,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:46:18,215 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 00:46:18,216 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040690628] [2019-11-20 00:46:18,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:46:18,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 00:46:18,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246652024] [2019-11-20 00:46:18,216 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 00:46:18,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:18,217 INFO L82 PathProgramCache]: Analyzing trace with hash 3171, now seen corresponding path program 2 times [2019-11-20 00:46:18,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:18,217 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782724631] [2019-11-20 00:46:18,217 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:18,225 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:46:18,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:46:18,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 00:46:18,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 00:46:18,318 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. cyclomatic complexity: 7 Second operand 4 states. [2019-11-20 00:46:18,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:46:18,342 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2019-11-20 00:46:18,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 00:46:18,344 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 33 transitions. [2019-11-20 00:46:18,344 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-20 00:46:18,345 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 28 states and 31 transitions. [2019-11-20 00:46:18,345 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2019-11-20 00:46:18,345 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2019-11-20 00:46:18,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 31 transitions. [2019-11-20 00:46:18,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 00:46:18,345 INFO L688 BuchiCegarLoop]: Abstraction has 28 states and 31 transitions. [2019-11-20 00:46:18,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 31 transitions. [2019-11-20 00:46:18,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 23. [2019-11-20 00:46:18,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-11-20 00:46:18,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2019-11-20 00:46:18,347 INFO L711 BuchiCegarLoop]: Abstraction has 23 states and 26 transitions. [2019-11-20 00:46:18,347 INFO L591 BuchiCegarLoop]: Abstraction has 23 states and 26 transitions. [2019-11-20 00:46:18,348 INFO L424 BuchiCegarLoop]: ======== Iteration 11============ [2019-11-20 00:46:18,348 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 26 transitions. [2019-11-20 00:46:18,348 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 00:46:18,348 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:46:18,348 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:46:18,349 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:46:18,349 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 00:46:18,349 INFO L794 eck$LassoCheckResult]: Stem: 1185#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$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$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 1182#L-1 havoc entry_point_#t~ret44, entry_point_#t~ret45.base, entry_point_#t~ret45.offset, entry_point_#t~post46, entry_point_#t~ret47, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;havoc ldv_positive_#res;havoc ldv_positive_#t~nondet4, ldv_positive_~r~1;ldv_positive_~r~1 := ldv_positive_#t~nondet4;havoc ldv_positive_#t~nondet4; 1183#L521 assume ldv_positive_~r~1 > 0;ldv_positive_#res := ldv_positive_~r~1; 1180#L522 entry_point_#t~ret44 := ldv_positive_#res;entry_point_~len~0 := entry_point_#t~ret44;havoc entry_point_#t~ret44;assume 0 != (if entry_point_~len~0 < 16777216 then 1 else 0);ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 1181#L527 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 1187#L530 entry_point_#t~ret45.base, entry_point_#t~ret45.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret45.base, entry_point_#t~ret45.offset;havoc entry_point_#t~ret45.base, entry_point_#t~ret45.offset; 1172#L790 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 1173#L791-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1178#L791-2 entry_point_#t~post46 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post46;havoc entry_point_#t~post46; 1179#L791-3 assume !(entry_point_~i~2 < entry_point_~len~0); 1184#L791-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 1186#L766-3 assume !!(alloc_17_~i~0 < alloc_17_~len);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 1168#L527-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 1169#L530-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 1176#L768 assume !(alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0);call write~$Pointer$(alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~i~0, 4); 1177#L766-2 alloc_17_#t~post38 := alloc_17_~i~0;alloc_17_~i~0 := 1 + alloc_17_#t~post38;havoc alloc_17_#t~post38; 1188#L766-3 assume !!(alloc_17_~i~0 < alloc_17_~len);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 1166#L527-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 1167#L530-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 1174#L768 assume alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0; 1175#L768-1 alloc_17_~j~0 := alloc_17_~i~0 - 1; 1171#L773-3 [2019-11-20 00:46:18,349 INFO L796 eck$LassoCheckResult]: Loop: 1171#L773-3 assume !!(alloc_17_~j~0 >= 0);call alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset := read~$Pointer$(alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~j~0, 4);call ULTIMATE.dealloc(alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset);havoc alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset;call write~$Pointer$(0, 0, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~j~0, 4); 1170#L773-2 alloc_17_#t~post40 := alloc_17_~j~0;alloc_17_~j~0 := alloc_17_#t~post40 - 1;havoc alloc_17_#t~post40; 1171#L773-3 [2019-11-20 00:46:18,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:18,350 INFO L82 PathProgramCache]: Analyzing trace with hash 38170488, now seen corresponding path program 1 times [2019-11-20 00:46:18,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:18,350 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245428850] [2019-11-20 00:46:18,350 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:46:18,418 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:46:18,418 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245428850] [2019-11-20 00:46:18,418 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [842042837] [2019-11-20 00:46:18,419 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 00:46:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:46:18,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 00:46:18,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:46:18,553 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:46:18,553 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 00:46:18,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2019-11-20 00:46:18,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994015444] [2019-11-20 00:46:18,554 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 00:46:18,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:18,554 INFO L82 PathProgramCache]: Analyzing trace with hash 3171, now seen corresponding path program 3 times [2019-11-20 00:46:18,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:18,554 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844193498] [2019-11-20 00:46:18,555 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:18,563 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:46:18,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:46:18,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-20 00:46:18,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-11-20 00:46:18,706 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. cyclomatic complexity: 6 Second operand 10 states. [2019-11-20 00:46:18,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:46:18,807 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2019-11-20 00:46:18,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 00:46:18,809 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 36 transitions. [2019-11-20 00:46:18,809 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 00:46:18,810 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 26 states and 29 transitions. [2019-11-20 00:46:18,810 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-11-20 00:46:18,810 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-11-20 00:46:18,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 29 transitions. [2019-11-20 00:46:18,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 00:46:18,810 INFO L688 BuchiCegarLoop]: Abstraction has 26 states and 29 transitions. [2019-11-20 00:46:18,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 29 transitions. [2019-11-20 00:46:18,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2019-11-20 00:46:18,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-20 00:46:18,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2019-11-20 00:46:18,812 INFO L711 BuchiCegarLoop]: Abstraction has 25 states and 28 transitions. [2019-11-20 00:46:18,812 INFO L591 BuchiCegarLoop]: Abstraction has 25 states and 28 transitions. [2019-11-20 00:46:18,812 INFO L424 BuchiCegarLoop]: ======== Iteration 12============ [2019-11-20 00:46:18,812 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 28 transitions. [2019-11-20 00:46:18,812 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 00:46:18,812 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:46:18,812 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:46:18,813 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:46:18,813 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 00:46:18,813 INFO L794 eck$LassoCheckResult]: Stem: 1322#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); 1317#L-1 havoc entry_point_#t~ret44, entry_point_#t~ret45.base, entry_point_#t~ret45.offset, entry_point_#t~post46, entry_point_#t~ret47, entry_point_~i~2, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;havoc entry_point_~i~2;havoc ldv_positive_#res;havoc ldv_positive_#t~nondet4, ldv_positive_~r~1;ldv_positive_~r~1 := ldv_positive_#t~nondet4;havoc ldv_positive_#t~nondet4; 1318#L521 assume ldv_positive_~r~1 > 0;ldv_positive_#res := ldv_positive_~r~1; 1315#L522 entry_point_#t~ret44 := ldv_positive_#res;entry_point_~len~0 := entry_point_#t~ret44;havoc entry_point_#t~ret44;assume 0 != (if entry_point_~len~0 < 16777216 then 1 else 0);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; 1316#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; 1323#L530 entry_point_#t~ret45.base, entry_point_#t~ret45.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret45.base, entry_point_#t~ret45.offset;havoc entry_point_#t~ret45.base, entry_point_#t~ret45.offset; 1307#L790 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;entry_point_~i~2 := 0; 1308#L791-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1313#L791-2 entry_point_#t~post46 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post46;havoc entry_point_#t~post46; 1314#L791-3 assume !!(entry_point_~i~2 < entry_point_~len~0);call write~$Pointer$(0, 0, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~2, 4); 1319#L791-2 entry_point_#t~post46 := entry_point_~i~2;entry_point_~i~2 := 1 + entry_point_#t~post46;havoc entry_point_#t~post46; 1325#L791-3 assume !(entry_point_~i~2 < entry_point_~len~0); 1320#L791-4 alloc_17_#in~array.base, alloc_17_#in~array.offset, alloc_17_#in~len := entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~len~0;havoc alloc_17_#res;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset, alloc_17_#t~post38, alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset, alloc_17_#t~post40, alloc_17_~array.base, alloc_17_~array.offset, alloc_17_~len, alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~i~0, alloc_17_~j~0;alloc_17_~array.base, alloc_17_~array.offset := alloc_17_#in~array.base, alloc_17_#in~array.offset;alloc_17_~len := alloc_17_#in~len;havoc alloc_17_~p~0.base, alloc_17_~p~0.offset;alloc_17_~i~0 := 0;havoc alloc_17_~j~0; 1321#L766-3 assume !!(alloc_17_~i~0 < alloc_17_~len);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; 1303#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; 1304#L530-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 1311#L768 assume !(alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0);call write~$Pointer$(alloc_17_~p~0.base, alloc_17_~p~0.offset, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~i~0, 4); 1312#L766-2 alloc_17_#t~post38 := alloc_17_~i~0;alloc_17_~i~0 := 1 + alloc_17_#t~post38;havoc alloc_17_#t~post38; 1324#L766-3 assume !!(alloc_17_~i~0 < alloc_17_~len);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; 1301#L527-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 1302#L530-1 alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;alloc_17_~p~0.base, alloc_17_~p~0.offset := alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset;havoc alloc_17_#t~ret39.base, alloc_17_#t~ret39.offset; 1309#L768 assume alloc_17_~p~0.base == 0 && alloc_17_~p~0.offset == 0; 1310#L768-1 alloc_17_~j~0 := alloc_17_~i~0 - 1; 1306#L773-3 [2019-11-20 00:46:18,813 INFO L796 eck$LassoCheckResult]: Loop: 1306#L773-3 assume !!(alloc_17_~j~0 >= 0);call alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset := read~$Pointer$(alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~j~0, 4);call ULTIMATE.dealloc(alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset);havoc alloc_17_#t~mem41.base, alloc_17_#t~mem41.offset;call write~$Pointer$(0, 0, alloc_17_~array.base, alloc_17_~array.offset + 4 * alloc_17_~j~0, 4); 1305#L773-2 alloc_17_#t~post40 := alloc_17_~j~0;alloc_17_~j~0 := alloc_17_#t~post40 - 1;havoc alloc_17_#t~post40; 1306#L773-3 [2019-11-20 00:46:18,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:18,814 INFO L82 PathProgramCache]: Analyzing trace with hash -2124874406, now seen corresponding path program 2 times [2019-11-20 00:46:18,814 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:18,814 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971625694] [2019-11-20 00:46:18,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:18,853 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:46:18,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:18,854 INFO L82 PathProgramCache]: Analyzing trace with hash 3171, now seen corresponding path program 4 times [2019-11-20 00:46:18,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:18,854 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289252796] [2019-11-20 00:46:18,855 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:18,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:18,861 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:46:18,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:18,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1894836356, now seen corresponding path program 1 times [2019-11-20 00:46:18,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:46:18,862 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085236108] [2019-11-20 00:46:18,862 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:46:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:46:18,905 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:46:20,940 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 252 DAG size of output: 213 [2019-11-20 00:46:20,988 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 00:46:21,336 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-11-20 00:46:21,337 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 00:46:21,343 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 00:46:21,664 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-11-20 00:46:21,665 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 00:46:21,667 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-11-20 00:46:21,667 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:334, output treesize:326 [2019-11-20 00:46:21,990 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-11-20 00:46:21,993 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 00:46:21,993 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 00:46:21,993 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 00:46:21,993 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 00:46:21,994 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 00:46:21,994 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:21,994 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 00:46:21,994 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 00:46:21,994 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test17_2-2.i_Iteration12_Lasso [2019-11-20 00:46:21,994 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 00:46:21,994 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 00:46:21,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:22,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:22,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:22,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:22,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:22,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:22,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:22,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:22,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:22,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:22,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:22,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:22,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:22,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:22,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:22,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:22,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:22,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:22,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:22,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:22,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:22,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:22,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:22,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:22,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:22,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:22,445 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2019-11-20 00:46:22,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:22,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:46:22,871 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2019-11-20 00:46:23,174 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2019-11-20 00:46:23,276 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 00:46:23,276 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 74 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 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:23,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:23,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:46:23,284 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 75 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 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,290 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:23,290 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:23,293 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:23,297 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 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,299 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:23,299 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:23,302 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 77 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 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,308 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:23,308 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:23,313 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:23,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:23,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,324 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:23,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,326 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:23,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:23,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:23,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,338 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:23,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,354 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:23,354 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,358 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:23,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,369 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:23,369 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,373 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:23,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,383 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:23,383 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,387 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:23,392 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:23,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,394 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:23,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,396 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:23,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,405 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:23,405 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,409 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:23,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,416 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:23,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,417 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:23,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,419 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:23,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:23,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:23,433 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:23,440 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:23,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:23,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,444 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:23,450 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,452 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:23,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,453 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:23,453 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,455 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 89 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 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,461 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,462 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:23,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,463 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:23,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:46:23,464 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 90 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 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:23,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,470 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:23,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:46:23,471 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 91 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 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,475 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:23,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,476 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:23,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:46:23,477 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 92 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 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,480 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,483 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:23,483 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:23,485 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 93 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 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:23,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,490 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:23,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:46:23,491 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 94 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 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:23,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,498 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:23,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:46:23,499 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 95 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 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,505 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:23,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,506 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:23,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:46:23,507 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 96 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 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,513 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,514 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:23,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:23,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:46:23,515 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 97 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 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,521 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:23,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:23,524 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 98 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 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:23,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,529 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:23,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:46:23,530 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 99 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 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,537 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:23,537 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:23,540 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 100 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 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,546 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:23,546 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:23,549 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 101 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 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:23,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,555 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:23,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:46:23,556 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 102 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 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,562 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:23,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,562 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:23,563 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:46:23,564 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 103 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 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:23,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:23,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:46:23,571 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 104 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 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,574 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,576 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2019-11-20 00:46:23,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,583 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 00:46:23,583 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:23,594 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 105 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 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,602 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:23,603 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:23,607 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 106 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 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,613 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:23,613 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:23,617 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:23,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:46:23,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,632 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:46:23,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,634 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 108 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 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,637 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 00:46:23,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:46:23,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:46:23,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:46:23,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:46:23,647 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 00:46:23,647 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 00:46:23,665 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 00:46:23,692 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-20 00:46:23,692 INFO L444 ModelExtractionUtils]: 29 out of 46 variables were initially zero. Simplification set additionally 14 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b369de67-194e-4d27-88c1-129b8f076386/bin/uautomizer/z3 Starting monitored process 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:46:23,698 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:46:23,702 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 00:46:23,702 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 00:46:23,702 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_alloc_17_~j~0) = 2*ULTIMATE.start_alloc_17_~j~0 + 1 Supporting invariants [] [2019-11-20 00:46:23,765 INFO L297 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2019-11-20 00:46:23,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:46:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:46:23,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 00:46:23,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:46:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:46:23,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 00:46:23,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:46:23,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:46:23,865 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 00:46:23,865 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 28 transitions. cyclomatic complexity: 6 Second operand 3 states. [2019-11-20 00:46:23,877 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 28 transitions. cyclomatic complexity: 6. Second operand 3 states. Result 27 states and 31 transitions. Complement of second has 4 states. [2019-11-20 00:46:23,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 00:46:23,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 00:46:23,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 21 transitions. [2019-11-20 00:46:23,878 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 21 transitions. Stem has 23 letters. Loop has 2 letters. [2019-11-20 00:46:23,878 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:46:23,878 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 21 transitions. Stem has 25 letters. Loop has 2 letters. [2019-11-20 00:46:23,879 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:46:23,879 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 21 transitions. Stem has 23 letters. Loop has 4 letters. [2019-11-20 00:46:23,879 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:46:23,879 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 31 transitions. [2019-11-20 00:46:23,880 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 00:46:23,880 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2019-11-20 00:46:23,880 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 00:46:23,880 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 00:46:23,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 00:46:23,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 00:46:23,880 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 00:46:23,881 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 00:46:23,881 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 00:46:23,881 INFO L424 BuchiCegarLoop]: ======== Iteration 13============ [2019-11-20 00:46:23,881 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 00:46:23,881 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 00:46:23,881 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 00:46:23,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 12:46:23 BoogieIcfgContainer [2019-11-20 00:46:23,888 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 00:46:23,889 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 00:46:23,889 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 00:46:23,889 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 00:46:23,890 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:46:06" (3/4) ... [2019-11-20 00:46:23,894 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 00:46:23,894 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 00:46:23,895 INFO L168 Benchmark]: Toolchain (without parser) took 19142.56 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 389.5 MB). Free memory was 939.4 MB in the beginning and 875.1 MB in the end (delta: 64.3 MB). Peak memory consumption was 453.9 MB. Max. memory is 11.5 GB. [2019-11-20 00:46:23,896 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:46:23,896 INFO L168 Benchmark]: CACSL2BoogieTranslator took 920.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -187.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-11-20 00:46:23,896 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:46:23,897 INFO L168 Benchmark]: Boogie Preprocessor took 51.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:46:23,897 INFO L168 Benchmark]: RCFGBuilder took 605.15 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: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2019-11-20 00:46:23,898 INFO L168 Benchmark]: BuchiAutomizer took 17493.57 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 225.4 MB). Free memory was 1.1 GB in the beginning and 875.1 MB in the end (delta: 223.7 MB). Peak memory consumption was 449.2 MB. Max. memory is 11.5 GB. [2019-11-20 00:46:23,898 INFO L168 Benchmark]: Witness Printer took 4.89 ms. Allocated memory is still 1.4 GB. Free memory is still 875.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:46:23,900 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 920.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -187.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.13 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. * Boogie Preprocessor took 51.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 605.15 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: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 17493.57 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 225.4 MB). Free memory was 1.1 GB in the beginning and 875.1 MB in the end (delta: 223.7 MB). Peak memory consumption was 449.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.89 ms. Allocated memory is still 1.4 GB. Free memory is still 875.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 12 terminating modules (8 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * array + -4 * i + unknown-#length-unknown[malloc(size)] and consists of 6 locations. One deterministic module has affine ranking function -1 * i + len and consists of 4 locations. One deterministic module has affine ranking function -1 * i + len and consists of 3 locations. One deterministic module has affine ranking function 2 * j + 1 and consists of 3 locations. 8 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 17.4s and 13 iterations. TraceHistogramMax:2. Analysis of lassos took 15.8s. Construction of modules took 0.3s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 7. Automata minimization 0.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 126 StatesRemovedByMinimization, 10 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 47 states and ocurred in iteration 8. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 344 SDtfs, 483 SDslu, 534 SDs, 0 SdLazy, 280 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU7 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital315 mio100 ax110 hnf100 lsp83 ukn59 mio100 lsp53 div100 bol100 ite100 ukn100 eq190 hnf89 smp96 dnf110 smp97 tf100 neg98 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 88ms VariablesStem: 7 VariablesLoop: 6 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...