./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.05-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_825b9e96-4e39-4470-ae7e-bde1fd140b92/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.05-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f1e9ba7e316537618e1819aa49662575d0a5a8e7 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:12:13,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 09:12:13,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 09:12:13,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 09:12:13,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 09:12:13,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 09:12:13,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 09:12:13,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 09:12:13,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 09:12:13,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 09:12:13,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 09:12:13,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 09:12:13,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 09:12:13,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 09:12:13,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 09:12:13,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 09:12:13,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 09:12:13,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 09:12:13,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 09:12:13,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 09:12:13,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 09:12:13,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 09:12:13,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 09:12:13,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 09:12:13,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 09:12:13,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 09:12:13,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 09:12:13,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 09:12:13,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 09:12:13,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 09:12:13,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 09:12:13,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 09:12:13,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 09:12:13,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 09:12:13,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 09:12:13,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 09:12:13,740 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 09:12:13,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 09:12:13,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 09:12:13,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 09:12:13,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 09:12:13,744 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 09:12:13,776 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 09:12:13,776 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 09:12:13,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 09:12:13,778 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 09:12:13,778 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 09:12:13,778 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 09:12:13,778 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 09:12:13,778 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 09:12:13,779 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 09:12:13,779 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 09:12:13,779 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 09:12:13,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 09:12:13,779 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 09:12:13,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 09:12:13,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 09:12:13,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 09:12:13,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 09:12:13,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 09:12:13,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 09:12:13,781 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 09:12:13,781 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 09:12:13,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 09:12:13,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 09:12:13,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 09:12:13,782 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 09:12:13,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 09:12:13,782 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 09:12:13,782 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 09:12:13,783 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 09:12:13,783 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_825b9e96-4e39-4470-ae7e-bde1fd140b92/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1e9ba7e316537618e1819aa49662575d0a5a8e7 [2019-11-20 09:12:13,942 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 09:12:13,955 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 09:12:13,960 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 09:12:13,962 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 09:12:13,964 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 09:12:13,965 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/b.05-alloca.i [2019-11-20 09:12:14,036 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/bin/uautomizer/data/45ab9c1d5/41e163dd4a364d2ab5633b876c657f42/FLAG7b513bd2d [2019-11-20 09:12:14,511 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 09:12:14,511 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/sv-benchmarks/c/termination-memory-alloca/b.05-alloca.i [2019-11-20 09:12:14,523 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/bin/uautomizer/data/45ab9c1d5/41e163dd4a364d2ab5633b876c657f42/FLAG7b513bd2d [2019-11-20 09:12:14,535 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/bin/uautomizer/data/45ab9c1d5/41e163dd4a364d2ab5633b876c657f42 [2019-11-20 09:12:14,538 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 09:12:14,539 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 09:12:14,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 09:12:14,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 09:12:14,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 09:12:14,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:12:14" (1/1) ... [2019-11-20 09:12:14,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec2c2e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:14, skipping insertion in model container [2019-11-20 09:12:14,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:12:14" (1/1) ... [2019-11-20 09:12:14,560 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 09:12:14,620 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 09:12:15,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:12:15,039 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 09:12:15,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:12:15,128 INFO L192 MainTranslator]: Completed translation [2019-11-20 09:12:15,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:15 WrapperNode [2019-11-20 09:12:15,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 09:12:15,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 09:12:15,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 09:12:15,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 09:12:15,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:15" (1/1) ... [2019-11-20 09:12:15,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:15" (1/1) ... [2019-11-20 09:12:15,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 09:12:15,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 09:12:15,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 09:12:15,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 09:12:15,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:15" (1/1) ... [2019-11-20 09:12:15,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:15" (1/1) ... [2019-11-20 09:12:15,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:15" (1/1) ... [2019-11-20 09:12:15,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:15" (1/1) ... [2019-11-20 09:12:15,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:15" (1/1) ... [2019-11-20 09:12:15,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:15" (1/1) ... [2019-11-20 09:12:15,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:15" (1/1) ... [2019-11-20 09:12:15,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 09:12:15,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 09:12:15,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 09:12:15,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 09:12:15,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/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 09:12:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 09:12:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 09:12:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 09:12:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 09:12:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 09:12:15,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 09:12:15,549 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 09:12:15,549 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 09:12:15,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:12:15 BoogieIcfgContainer [2019-11-20 09:12:15,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 09:12:15,551 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 09:12:15,551 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 09:12:15,555 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 09:12:15,556 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 09:12:15,556 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 09:12:14" (1/3) ... [2019-11-20 09:12:15,557 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@495f31e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 09:12:15, skipping insertion in model container [2019-11-20 09:12:15,557 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 09:12:15,557 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:15" (2/3) ... [2019-11-20 09:12:15,558 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@495f31e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 09:12:15, skipping insertion in model container [2019-11-20 09:12:15,558 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 09:12:15,558 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:12:15" (3/3) ... [2019-11-20 09:12:15,559 INFO L371 chiAutomizerObserver]: Analyzing ICFG b.05-alloca.i [2019-11-20 09:12:15,630 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 09:12:15,630 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 09:12:15,631 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 09:12:15,631 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 09:12:15,632 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 09:12:15,632 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 09:12:15,632 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 09:12:15,632 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 09:12:15,649 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-20 09:12:15,672 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-20 09:12:15,672 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 09:12:15,673 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 09:12:15,679 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 09:12:15,680 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:12:15,680 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 09:12:15,680 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-20 09:12:15,683 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-20 09:12:15,683 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 09:12:15,683 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 09:12:15,683 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 09:12:15,684 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:12:15,691 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~ret17;test_fun_#in~x, test_fun_#in~tmp := main_#t~nondet15, main_#t~nondet16;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~nondet4, test_fun_#t~mem12, test_fun_#t~nondet13, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~short11, test_fun_#t~mem14, test_fun_~x, test_fun_~tmp, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~tmp := test_fun_#in~tmp;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~tmp, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);call write~int(test_fun_#t~nondet4, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~nondet4; 6#L554-11true [2019-11-20 09:12:15,692 INFO L796 eck$LassoCheckResult]: Loop: 6#L554-11true call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 8#L554-1true assume test_fun_#t~short7;call test_fun_#t~mem6 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem6 >= 0; 12#L554-3true test_fun_#t~short9 := test_fun_#t~short7; 14#L554-4true assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 1073741824; 3#L554-6true test_fun_#t~short11 := test_fun_#t~short9; 4#L554-7true assume test_fun_#t~short11;call test_fun_#t~mem10 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);test_fun_#t~short11 := test_fun_~x == 2 * test_fun_#t~mem10; 5#L554-9true assume !!test_fun_#t~short11;havoc test_fun_#t~short11;havoc test_fun_#t~short7;havoc test_fun_#t~short9;havoc test_fun_#t~mem10;havoc test_fun_#t~mem8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12;call write~int(test_fun_#t~nondet13, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~nondet13; 6#L554-11true [2019-11-20 09:12:15,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:12:15,698 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-20 09:12:15,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:12:15,707 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264588288] [2019-11-20 09:12:15,707 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:12:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:12:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:12:15,858 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:12:15,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:12:15,859 INFO L82 PathProgramCache]: Analyzing trace with hash -334850282, now seen corresponding path program 1 times [2019-11-20 09:12:15,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:12:15,860 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069075502] [2019-11-20 09:12:15,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:12:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:12:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:12:15,919 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:12:15,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:12:15,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1211446548, now seen corresponding path program 1 times [2019-11-20 09:12:15,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:12:15,921 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145480116] [2019-11-20 09:12:15,921 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:12:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:12:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:12:16,020 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:12:16,339 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2019-11-20 09:12:16,677 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 66 [2019-11-20 09:12:16,774 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 09:12:16,775 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 09:12:16,775 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 09:12:16,776 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 09:12:16,776 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 09:12:16,777 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:12:16,777 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 09:12:16,777 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 09:12:16,777 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.05-alloca.i_Iteration1_Lasso [2019-11-20 09:12:16,777 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 09:12:16,778 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 09:12:16,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:12:16,815 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 09:12:16,817 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 09:12:16,820 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 09:12:16,822 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 09:12:16,826 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 09:12:16,829 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 09:12:16,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:12:16,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:12:16,837 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 09:12:16,840 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 09:12:16,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:12:16,846 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 09:12:16,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:12:16,855 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 09:12:17,072 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2019-11-20 09:12:17,196 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2019-11-20 09:12:17,196 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 09:12:17,200 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 09:12:17,204 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 09:12:17,207 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 09:12:17,210 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 09:12:17,779 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 09:12:17,789 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:12:17,805 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 09:12:17,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:12:17,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:12:17,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:12:17,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:12:17,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:12:17,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:12:17,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:12:17,818 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:12:17,836 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 09:12:17,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:12:17,838 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:12:17,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:12:17,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:12:17,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:12:17,839 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:12:17,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:12:17,849 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/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 09:12:17,865 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 09:12:17,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:12:17,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:12:17,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:12:17,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:12:17,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:12:17,869 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:12:17,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:12:17,872 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:12:17,886 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 09:12:17,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:12:17,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:12:17,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:12:17,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:12:17,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:12:17,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:12:17,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:12:17,894 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:12:17,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 09:12:17,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:12:17,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:12:17,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:12:17,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:12:17,916 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:12:17,918 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:12:17,922 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:12:17,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 09:12:17,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:12:17,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:12:17,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:12:17,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:12:17,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:12:17,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:12:17,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:12:17,944 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/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 09:12:17,958 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 09:12:17,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:12:17,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:12:17,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:12:17,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:12:17,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:12:17,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:12:17,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 09:12:17,966 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:12:17,981 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 09:12:17,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:12:17,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:12:17,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:12:17,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:12:17,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:12:17,985 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:12:17,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:12:17,989 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/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 09:12:18,006 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 09:12:18,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:12:18,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:12:18,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:12:18,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:12:18,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:12:18,010 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:12:18,010 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:12:18,014 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:12:18,029 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 09:12:18,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:12:18,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:12:18,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:12:18,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:12:18,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:12:18,038 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:12:18,044 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:12:18,059 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 09:12:18,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:12:18,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:12:18,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:12:18,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:12:18,067 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:12:18,067 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:12:18,077 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:12:18,093 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 09:12:18,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:12:18,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:12:18,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:12:18,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:12:18,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:12:18,096 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:12:18,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:12:18,098 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/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) [2019-11-20 09:12:18,113 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 09:12:18,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:12:18,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:12:18,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:12:18,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:12:18,123 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:12:18,123 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:12:18,130 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/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 09:12:18,145 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 09:12:18,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:12:18,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:12:18,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:12:18,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:12:18,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:12:18,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:12:18,149 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 09:12:18,151 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/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) [2019-11-20 09:12:18,166 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 09:12:18,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:12:18,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:12:18,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:12:18,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:12:18,174 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:12:18,175 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:12:18,184 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:12:18,199 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 09:12:18,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:12:18,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:12:18,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:12:18,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:12:18,208 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:12:18,208 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:12:18,214 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:12:18,221 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 09:12:18,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:12:18,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:12:18,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:12:18,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:12:18,227 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:12:18,227 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:12:18,234 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/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) [2019-11-20 09:12:18,243 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 09:12:18,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:12:18,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:12:18,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:12:18,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:12:18,247 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:12:18,248 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:12:18,254 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/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 09:12:18,266 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 09:12:18,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:12:18,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:12:18,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:12:18,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:12:18,276 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:12:18,276 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 09:12:18,280 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/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 09:12:18,298 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 09:12:18,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:12:18,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:12:18,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:12:18,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:12:18,308 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:12:18,308 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 09:12:18,322 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 09:12:18,362 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-11-20 09:12:18,363 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 11 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_825b9e96-4e39-4470-ae7e-bde1fd140b92/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 09:12:18,389 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 09:12:18,396 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 09:12:18,397 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 09:12:18,398 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [] [2019-11-20 09:12:18,514 INFO L297 tatePredicateManager]: 9 out of 11 supporting invariants were superfluous and have been removed [2019-11-20 09:12:18,525 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 09:12:18,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:12:18,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:12:18,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 09:12:18,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:12:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:12:18,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-20 09:12:18,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:12:18,623 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 09:12:18,693 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 09:12:18,710 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-20 09:12:18,712 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 4 states. [2019-11-20 09:12:18,854 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 4 states. Result 42 states and 57 transitions. Complement of second has 10 states. [2019-11-20 09:12:18,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-20 09:12:18,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 09:12:18,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 28 transitions. [2019-11-20 09:12:18,860 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 2 letters. Loop has 7 letters. [2019-11-20 09:12:18,861 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 09:12:18,861 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 9 letters. Loop has 7 letters. [2019-11-20 09:12:18,861 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 09:12:18,861 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 2 letters. Loop has 14 letters. [2019-11-20 09:12:18,862 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 09:12:18,863 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 57 transitions. [2019-11-20 09:12:18,870 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-20 09:12:18,876 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 24 states and 33 transitions. [2019-11-20 09:12:18,877 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-20 09:12:18,878 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-20 09:12:18,878 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 33 transitions. [2019-11-20 09:12:18,879 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 09:12:18,880 INFO L688 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2019-11-20 09:12:18,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 33 transitions. [2019-11-20 09:12:18,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2019-11-20 09:12:18,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-11-20 09:12:18,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 32 transitions. [2019-11-20 09:12:18,905 INFO L711 BuchiCegarLoop]: Abstraction has 23 states and 32 transitions. [2019-11-20 09:12:18,905 INFO L591 BuchiCegarLoop]: Abstraction has 23 states and 32 transitions. [2019-11-20 09:12:18,906 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 09:12:18,906 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 32 transitions. [2019-11-20 09:12:18,907 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-20 09:12:18,907 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 09:12:18,907 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 09:12:18,907 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-20 09:12:18,909 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:12:18,909 INFO L794 eck$LassoCheckResult]: Stem: 175#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 168#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~ret17;test_fun_#in~x, test_fun_#in~tmp := main_#t~nondet15, main_#t~nondet16;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~nondet4, test_fun_#t~mem12, test_fun_#t~nondet13, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~short11, test_fun_#t~mem14, test_fun_~x, test_fun_~tmp, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~tmp := test_fun_#in~tmp;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~tmp, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);call write~int(test_fun_#t~nondet4, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~nondet4; 169#L554-11 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 170#L554-1 [2019-11-20 09:12:18,909 INFO L796 eck$LassoCheckResult]: Loop: 170#L554-1 assume !test_fun_#t~short7; 171#L554-3 test_fun_#t~short9 := test_fun_#t~short7; 178#L554-4 assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 1073741824; 164#L554-6 test_fun_#t~short11 := test_fun_#t~short9; 165#L554-7 assume test_fun_#t~short11;call test_fun_#t~mem10 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);test_fun_#t~short11 := test_fun_~x == 2 * test_fun_#t~mem10; 176#L554-9 assume !!test_fun_#t~short11;havoc test_fun_#t~short11;havoc test_fun_#t~short7;havoc test_fun_#t~short9;havoc test_fun_#t~mem10;havoc test_fun_#t~mem8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12;call write~int(test_fun_#t~nondet13, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~nondet13; 180#L554-11 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 170#L554-1 [2019-11-20 09:12:18,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:12:18,909 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-11-20 09:12:18,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:12:18,910 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171164494] [2019-11-20 09:12:18,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:12:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:12:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:12:18,966 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:12:18,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:12:18,970 INFO L82 PathProgramCache]: Analyzing trace with hash -74889736, now seen corresponding path program 1 times [2019-11-20 09:12:18,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:12:18,971 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145889667] [2019-11-20 09:12:18,971 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:12:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:12:19,022 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 09:12:19,022 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145889667] [2019-11-20 09:12:19,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:12:19,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 09:12:19,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711954950] [2019-11-20 09:12:19,026 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 09:12:19,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:12:19,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 09:12:19,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 09:12:19,030 INFO L87 Difference]: Start difference. First operand 23 states and 32 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-11-20 09:12:19,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:12:19,068 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2019-11-20 09:12:19,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 09:12:19,069 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 34 transitions. [2019-11-20 09:12:19,070 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-20 09:12:19,071 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 34 transitions. [2019-11-20 09:12:19,071 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-20 09:12:19,072 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-20 09:12:19,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions. [2019-11-20 09:12:19,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 09:12:19,072 INFO L688 BuchiCegarLoop]: Abstraction has 26 states and 34 transitions. [2019-11-20 09:12:19,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions. [2019-11-20 09:12:19,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2019-11-20 09:12:19,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-11-20 09:12:19,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions. [2019-11-20 09:12:19,075 INFO L711 BuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2019-11-20 09:12:19,075 INFO L591 BuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2019-11-20 09:12:19,075 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 09:12:19,075 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 30 transitions. [2019-11-20 09:12:19,076 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-20 09:12:19,076 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 09:12:19,076 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 09:12:19,077 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-20 09:12:19,077 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:12:19,077 INFO L794 eck$LassoCheckResult]: Stem: 233#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 222#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~ret17;test_fun_#in~x, test_fun_#in~tmp := main_#t~nondet15, main_#t~nondet16;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~nondet4, test_fun_#t~mem12, test_fun_#t~nondet13, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~short11, test_fun_#t~mem14, test_fun_~x, test_fun_~tmp, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~tmp := test_fun_#in~tmp;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~tmp, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);call write~int(test_fun_#t~nondet4, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~nondet4; 223#L554-11 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 228#L554-1 [2019-11-20 09:12:19,077 INFO L796 eck$LassoCheckResult]: Loop: 228#L554-1 assume !test_fun_#t~short7; 229#L554-3 test_fun_#t~short9 := test_fun_#t~short7; 236#L554-4 assume !test_fun_#t~short9; 224#L554-6 test_fun_#t~short11 := test_fun_#t~short9; 225#L554-7 assume test_fun_#t~short11;call test_fun_#t~mem10 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);test_fun_#t~short11 := test_fun_~x == 2 * test_fun_#t~mem10; 234#L554-9 assume !!test_fun_#t~short11;havoc test_fun_#t~short11;havoc test_fun_#t~short7;havoc test_fun_#t~short9;havoc test_fun_#t~mem10;havoc test_fun_#t~mem8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12;call write~int(test_fun_#t~nondet13, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~nondet13; 238#L554-11 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 228#L554-1 [2019-11-20 09:12:19,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:12:19,077 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2019-11-20 09:12:19,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:12:19,078 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917400674] [2019-11-20 09:12:19,078 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:12:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:12:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:12:19,136 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:12:19,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:12:19,137 INFO L82 PathProgramCache]: Analyzing trace with hash -73042694, now seen corresponding path program 1 times [2019-11-20 09:12:19,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:12:19,137 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686779772] [2019-11-20 09:12:19,137 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:12:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:12:19,162 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 09:12:19,162 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686779772] [2019-11-20 09:12:19,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:12:19,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 09:12:19,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421948788] [2019-11-20 09:12:19,163 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 09:12:19,163 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:12:19,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 09:12:19,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 09:12:19,163 INFO L87 Difference]: Start difference. First operand 23 states and 30 transitions. cyclomatic complexity: 9 Second operand 5 states. [2019-11-20 09:12:19,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:12:19,226 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2019-11-20 09:12:19,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 09:12:19,227 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 26 transitions. [2019-11-20 09:12:19,228 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 09:12:19,228 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2019-11-20 09:12:19,228 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 09:12:19,228 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 09:12:19,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 09:12:19,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 09:12:19,229 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:12:19,229 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:12:19,229 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:12:19,229 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 09:12:19,229 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 09:12:19,229 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 09:12:19,229 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 09:12:19,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 09:12:19 BoogieIcfgContainer [2019-11-20 09:12:19,237 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 09:12:19,238 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:12:19,238 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:12:19,238 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:12:19,240 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:12:15" (3/4) ... [2019-11-20 09:12:19,244 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 09:12:19,244 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:12:19,245 INFO L168 Benchmark]: Toolchain (without parser) took 4706.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 939.3 MB in the beginning and 957.5 MB in the end (delta: -18.2 MB). Peak memory consumption was 123.9 MB. Max. memory is 11.5 GB. [2019-11-20 09:12:19,246 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:12:19,247 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-20 09:12:19,247 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.53 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 09:12:19,247 INFO L168 Benchmark]: Boogie Preprocessor took 25.60 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 09:12:19,248 INFO L168 Benchmark]: RCFGBuilder took 353.19 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-20 09:12:19,249 INFO L168 Benchmark]: BuchiAutomizer took 3686.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.5 MB in the end (delta: 144.8 MB). Peak memory consumption was 144.8 MB. Max. memory is 11.5 GB. [2019-11-20 09:12:19,249 INFO L168 Benchmark]: Witness Printer took 6.41 ms. Allocated memory is still 1.2 GB. Free memory is still 957.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:12:19,252 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 589.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.53 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 25.60 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 353.19 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3686.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.5 MB in the end (delta: 144.8 MB). Peak memory consumption was 144.8 MB. Max. memory is 11.5 GB. * Witness Printer took 6.41 ms. Allocated memory is still 1.2 GB. Free memory is still 957.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (2 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 6 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 23 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 24 SDtfs, 44 SDslu, 39 SDs, 0 SdLazy, 59 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital220 mio100 ax108 hnf100 lsp87 ukn64 mio100 lsp37 div100 bol100 ite100 ukn100 eq172 hnf89 smp92 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...