./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig1-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_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/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 cb5770b8d32c05b82025135c2b222cf31b0a4100 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:42:12,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:42:12,857 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:42:12,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:42:12,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:42:12,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:42:12,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:42:12,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:42:12,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:42:12,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:42:12,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:42:12,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:42:12,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:42:12,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:42:12,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:42:12,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:42:12,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:42:12,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:42:12,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:42:12,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:42:12,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:42:12,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:42:12,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:42:12,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:42:12,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:42:12,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:42:12,918 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:42:12,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:42:12,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:42:12,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:42:12,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:42:12,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:42:12,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:42:12,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:42:12,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:42:12,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:42:12,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:42:12,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:42:12,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:42:12,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:42:12,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:42:12,929 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 03:42:12,955 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:42:12,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:42:12,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:42:12,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:42:12,966 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 03:42:12,966 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 03:42:12,966 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 03:42:12,966 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 03:42:12,966 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 03:42:12,966 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 03:42:12,967 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 03:42:12,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:42:12,967 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 03:42:12,967 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:42:12,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:42:12,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 03:42:12,967 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 03:42:12,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 03:42:12,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:42:12,968 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 03:42:12,968 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:42:12,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 03:42:12,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:42:12,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 03:42:12,968 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 03:42:12,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:42:12,969 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 03:42:12,969 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 03:42:12,969 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 03:42:12,969 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_f455009b-b99a-4639-be12-32af71ce6886/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 -> cb5770b8d32c05b82025135c2b222cf31b0a4100 [2019-11-20 03:42:13,112 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:42:13,122 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:42:13,125 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:42:13,126 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:42:13,127 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:42:13,127 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i [2019-11-20 03:42:13,180 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/data/718ea49d2/ba3e2bdc4fa04dbe81c22bbd60655e59/FLAG5046f6305 [2019-11-20 03:42:13,629 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:42:13,635 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i [2019-11-20 03:42:13,650 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/data/718ea49d2/ba3e2bdc4fa04dbe81c22bbd60655e59/FLAG5046f6305 [2019-11-20 03:42:13,661 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/data/718ea49d2/ba3e2bdc4fa04dbe81c22bbd60655e59 [2019-11-20 03:42:13,663 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:42:13,664 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:42:13,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:42:13,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:42:13,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:42:13,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:42:13" (1/1) ... [2019-11-20 03:42:13,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19857750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:42:13, skipping insertion in model container [2019-11-20 03:42:13,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:42:13" (1/1) ... [2019-11-20 03:42:13,679 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:42:13,729 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:42:14,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:42:14,062 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:42:14,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:42:14,186 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:42:14,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:42:14 WrapperNode [2019-11-20 03:42:14,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:42:14,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:42:14,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:42:14,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:42:14,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:42:14" (1/1) ... [2019-11-20 03:42:14,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:42:14" (1/1) ... [2019-11-20 03:42:14,229 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:42:14,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:42:14,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:42:14,230 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:42:14,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:42:14" (1/1) ... [2019-11-20 03:42:14,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:42:14" (1/1) ... [2019-11-20 03:42:14,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:42:14" (1/1) ... [2019-11-20 03:42:14,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:42:14" (1/1) ... [2019-11-20 03:42:14,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:42:14" (1/1) ... [2019-11-20 03:42:14,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:42:14" (1/1) ... [2019-11-20 03:42:14,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:42:14" (1/1) ... [2019-11-20 03:42:14,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:42:14,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:42:14,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:42:14,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:42:14,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:42:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/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 03:42:14,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 03:42:14,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 03:42:14,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 03:42:14,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 03:42:14,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:42:14,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:42:14,751 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:42:14,751 INFO L285 CfgBuilder]: Removed 12 assume(true) statements. [2019-11-20 03:42:14,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:42:14 BoogieIcfgContainer [2019-11-20 03:42:14,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:42:14,753 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 03:42:14,753 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 03:42:14,756 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 03:42:14,757 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:42:14,757 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 03:42:13" (1/3) ... [2019-11-20 03:42:14,758 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@485231e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 03:42:14, skipping insertion in model container [2019-11-20 03:42:14,758 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:42:14,758 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:42:14" (2/3) ... [2019-11-20 03:42:14,759 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@485231e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 03:42:14, skipping insertion in model container [2019-11-20 03:42:14,759 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:42:14,759 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:42:14" (3/3) ... [2019-11-20 03:42:14,761 INFO L371 chiAutomizerObserver]: Analyzing ICFG HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i [2019-11-20 03:42:14,805 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 03:42:14,805 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 03:42:14,805 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 03:42:14,805 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 03:42:14,806 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 03:42:14,806 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 03:42:14,806 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 03:42:14,806 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 03:42:14,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states. [2019-11-20 03:42:14,841 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2019-11-20 03:42:14,841 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:42:14,841 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:42:14,846 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-20 03:42:14,846 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 03:42:14,846 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 03:42:14,847 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states. [2019-11-20 03:42:14,849 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2019-11-20 03:42:14,849 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:42:14,849 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:42:14,849 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-20 03:42:14,849 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 03:42:14,857 INFO L794 eck$LassoCheckResult]: Stem: 17#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 14#L-1true havoc main_#res;havoc main_#t~nondet21; 8#L578true assume 0 != main_#t~nondet21;havoc main_#t~nondet21;f_#in~d := 1;havoc f_#t~malloc2.base, f_#t~malloc2.offset, f_#t~malloc3.base, f_#t~malloc3.offset, f_#t~malloc4.base, f_#t~malloc4.offset, f_#t~malloc5.base, f_#t~malloc5.offset, f_#t~malloc6.base, f_#t~malloc6.offset, f_#t~mem7, f_#t~mem10, f_#t~mem8, f_#t~mem9, f_#t~nondet14, f_#t~mem15, f_#t~mem16, f_#t~nondet17, f_#t~mem18, f_#t~mem19, f_#t~mem20, f_#t~mem11, f_#t~mem12, f_#t~short13, f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, f_~x~0.base, f_~x~0.offset, f_~y~0.base, f_~y~0.offset, f_~k~0.base, f_~k~0.offset, f_~z~0.base, f_~z~0.offset;f_~d := f_#in~d;call f_#t~malloc2.base, f_#t~malloc2.offset := #Ultimate.allocOnStack(4);f_~d_ref~0.base, f_~d_ref~0.offset := f_#t~malloc2.base, f_#t~malloc2.offset;call f_#t~malloc3.base, f_#t~malloc3.offset := #Ultimate.allocOnStack(4);f_~x~0.base, f_~x~0.offset := f_#t~malloc3.base, f_#t~malloc3.offset;call f_#t~malloc4.base, f_#t~malloc4.offset := #Ultimate.allocOnStack(4);f_~y~0.base, f_~y~0.offset := f_#t~malloc4.base, f_#t~malloc4.offset;call f_#t~malloc5.base, f_#t~malloc5.offset := #Ultimate.allocOnStack(4);f_~k~0.base, f_~k~0.offset := f_#t~malloc5.base, f_#t~malloc5.offset;call f_#t~malloc6.base, f_#t~malloc6.offset := #Ultimate.allocOnStack(4);f_~z~0.base, f_~z~0.offset := f_#t~malloc6.base, f_#t~malloc6.offset;call write~int(f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(1, f_~x~0.base, f_~x~0.offset, 4);call write~int(1, f_~y~0.base, f_~y~0.offset, 4);call write~int(1, f_~k~0.base, f_~k~0.offset, 4);call write~int(1, f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem7 := read~int(f_~k~0.base, f_~k~0.offset, 4); 3#L558true assume !(f_#t~mem7 > 1073741823);havoc f_#t~mem7; 23#L562-2true [2019-11-20 03:42:14,857 INFO L796 eck$LassoCheckResult]: Loop: 23#L562-2true call f_#t~mem8 := read~int(f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem9 := read~int(f_~k~0.base, f_~k~0.offset, 4); 18#L562true assume !!(f_#t~mem8 < f_#t~mem9);havoc f_#t~mem9;havoc f_#t~mem8;call f_#t~mem10 := read~int(f_~z~0.base, f_~z~0.offset, 4);call write~int(2 * f_#t~mem10, f_~z~0.base, f_~z~0.offset, 4);havoc f_#t~mem10; 23#L562-2true [2019-11-20 03:42:14,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:42:14,863 INFO L82 PathProgramCache]: Analyzing trace with hash 925608, now seen corresponding path program 1 times [2019-11-20 03:42:14,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:42:14,871 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630207416] [2019-11-20 03:42:14,871 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:42:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:42:15,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:42:15,088 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:42:15,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:42:15,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1446, now seen corresponding path program 1 times [2019-11-20 03:42:15,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:42:15,090 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591340023] [2019-11-20 03:42:15,090 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:42:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:42:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:42:15,110 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:42:15,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:42:15,112 INFO L82 PathProgramCache]: Analyzing trace with hash 889509773, now seen corresponding path program 1 times [2019-11-20 03:42:15,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:42:15,112 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905036660] [2019-11-20 03:42:15,112 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:42:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:42:15,344 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 03:42:15,344 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905036660] [2019-11-20 03:42:15,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:42:15,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 03:42:15,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048178228] [2019-11-20 03:42:15,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:42:15,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 03:42:15,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-20 03:42:15,505 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 5 states. [2019-11-20 03:42:15,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:42:15,662 INFO L93 Difference]: Finished difference Result 39 states and 50 transitions. [2019-11-20 03:42:15,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 03:42:15,664 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 50 transitions. [2019-11-20 03:42:15,667 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-11-20 03:42:15,672 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 29 states and 38 transitions. [2019-11-20 03:42:15,674 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2019-11-20 03:42:15,674 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2019-11-20 03:42:15,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 38 transitions. [2019-11-20 03:42:15,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 03:42:15,675 INFO L688 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2019-11-20 03:42:15,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 38 transitions. [2019-11-20 03:42:15,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 19. [2019-11-20 03:42:15,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-20 03:42:15,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2019-11-20 03:42:15,701 INFO L711 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2019-11-20 03:42:15,701 INFO L591 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2019-11-20 03:42:15,701 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 03:42:15,702 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2019-11-20 03:42:15,702 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-11-20 03:42:15,703 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:42:15,703 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:42:15,703 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 03:42:15,703 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 03:42:15,704 INFO L794 eck$LassoCheckResult]: Stem: 93#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 92#L-1 havoc main_#res;havoc main_#t~nondet21; 85#L578 assume 0 != main_#t~nondet21;havoc main_#t~nondet21;f_#in~d := 1;havoc f_#t~malloc2.base, f_#t~malloc2.offset, f_#t~malloc3.base, f_#t~malloc3.offset, f_#t~malloc4.base, f_#t~malloc4.offset, f_#t~malloc5.base, f_#t~malloc5.offset, f_#t~malloc6.base, f_#t~malloc6.offset, f_#t~mem7, f_#t~mem10, f_#t~mem8, f_#t~mem9, f_#t~nondet14, f_#t~mem15, f_#t~mem16, f_#t~nondet17, f_#t~mem18, f_#t~mem19, f_#t~mem20, f_#t~mem11, f_#t~mem12, f_#t~short13, f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, f_~x~0.base, f_~x~0.offset, f_~y~0.base, f_~y~0.offset, f_~k~0.base, f_~k~0.offset, f_~z~0.base, f_~z~0.offset;f_~d := f_#in~d;call f_#t~malloc2.base, f_#t~malloc2.offset := #Ultimate.allocOnStack(4);f_~d_ref~0.base, f_~d_ref~0.offset := f_#t~malloc2.base, f_#t~malloc2.offset;call f_#t~malloc3.base, f_#t~malloc3.offset := #Ultimate.allocOnStack(4);f_~x~0.base, f_~x~0.offset := f_#t~malloc3.base, f_#t~malloc3.offset;call f_#t~malloc4.base, f_#t~malloc4.offset := #Ultimate.allocOnStack(4);f_~y~0.base, f_~y~0.offset := f_#t~malloc4.base, f_#t~malloc4.offset;call f_#t~malloc5.base, f_#t~malloc5.offset := #Ultimate.allocOnStack(4);f_~k~0.base, f_~k~0.offset := f_#t~malloc5.base, f_#t~malloc5.offset;call f_#t~malloc6.base, f_#t~malloc6.offset := #Ultimate.allocOnStack(4);f_~z~0.base, f_~z~0.offset := f_#t~malloc6.base, f_#t~malloc6.offset;call write~int(f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(1, f_~x~0.base, f_~x~0.offset, 4);call write~int(1, f_~y~0.base, f_~y~0.offset, 4);call write~int(1, f_~k~0.base, f_~k~0.offset, 4);call write~int(1, f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem7 := read~int(f_~k~0.base, f_~k~0.offset, 4); 78#L558 assume !(f_#t~mem7 > 1073741823);havoc f_#t~mem7; 79#L562-2 call f_#t~mem8 := read~int(f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem9 := read~int(f_~k~0.base, f_~k~0.offset, 4); 94#L562 assume !(f_#t~mem8 < f_#t~mem9);havoc f_#t~mem9;havoc f_#t~mem8; 81#L567-2 [2019-11-20 03:42:15,704 INFO L796 eck$LassoCheckResult]: Loop: 81#L567-2 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 89#L566 assume !f_#t~short13; 90#L566-2 assume !!f_#t~short13;havoc f_#t~short13;havoc f_#t~mem12;havoc f_#t~mem11; 86#L567 assume !(0 != f_#t~nondet14);havoc f_#t~nondet14;call f_#t~mem19 := read~int(f_~y~0.base, f_~y~0.offset, 4);call f_#t~mem20 := read~int(f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(f_#t~mem19 - f_#t~mem20, f_~y~0.base, f_~y~0.offset, 4);havoc f_#t~mem19;havoc f_#t~mem20; 81#L567-2 [2019-11-20 03:42:15,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:42:15,704 INFO L82 PathProgramCache]: Analyzing trace with hash 889509771, now seen corresponding path program 1 times [2019-11-20 03:42:15,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:42:15,705 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824632726] [2019-11-20 03:42:15,705 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:42:15,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:42:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:42:15,765 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:42:15,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:42:15,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1759853, now seen corresponding path program 1 times [2019-11-20 03:42:15,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:42:15,774 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467941523] [2019-11-20 03:42:15,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:42:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:42:15,804 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 03:42:15,805 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467941523] [2019-11-20 03:42:15,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:42:15,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 03:42:15,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636341526] [2019-11-20 03:42:15,806 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 03:42:15,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:42:15,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 03:42:15,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 03:42:15,806 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. cyclomatic complexity: 7 Second operand 3 states. [2019-11-20 03:42:15,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:42:15,846 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2019-11-20 03:42:15,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 03:42:15,848 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 24 transitions. [2019-11-20 03:42:15,849 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-11-20 03:42:15,849 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 19 states and 22 transitions. [2019-11-20 03:42:15,850 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2019-11-20 03:42:15,850 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2019-11-20 03:42:15,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 22 transitions. [2019-11-20 03:42:15,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 03:42:15,850 INFO L688 BuchiCegarLoop]: Abstraction has 19 states and 22 transitions. [2019-11-20 03:42:15,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 22 transitions. [2019-11-20 03:42:15,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-20 03:42:15,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-20 03:42:15,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2019-11-20 03:42:15,852 INFO L711 BuchiCegarLoop]: Abstraction has 19 states and 22 transitions. [2019-11-20 03:42:15,853 INFO L591 BuchiCegarLoop]: Abstraction has 19 states and 22 transitions. [2019-11-20 03:42:15,853 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 03:42:15,853 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 22 transitions. [2019-11-20 03:42:15,854 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-11-20 03:42:15,855 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:42:15,855 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:42:15,855 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 03:42:15,855 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 03:42:15,856 INFO L794 eck$LassoCheckResult]: Stem: 139#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 137#L-1 havoc main_#res;havoc main_#t~nondet21; 131#L578 assume 0 != main_#t~nondet21;havoc main_#t~nondet21;f_#in~d := 1;havoc f_#t~malloc2.base, f_#t~malloc2.offset, f_#t~malloc3.base, f_#t~malloc3.offset, f_#t~malloc4.base, f_#t~malloc4.offset, f_#t~malloc5.base, f_#t~malloc5.offset, f_#t~malloc6.base, f_#t~malloc6.offset, f_#t~mem7, f_#t~mem10, f_#t~mem8, f_#t~mem9, f_#t~nondet14, f_#t~mem15, f_#t~mem16, f_#t~nondet17, f_#t~mem18, f_#t~mem19, f_#t~mem20, f_#t~mem11, f_#t~mem12, f_#t~short13, f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, f_~x~0.base, f_~x~0.offset, f_~y~0.base, f_~y~0.offset, f_~k~0.base, f_~k~0.offset, f_~z~0.base, f_~z~0.offset;f_~d := f_#in~d;call f_#t~malloc2.base, f_#t~malloc2.offset := #Ultimate.allocOnStack(4);f_~d_ref~0.base, f_~d_ref~0.offset := f_#t~malloc2.base, f_#t~malloc2.offset;call f_#t~malloc3.base, f_#t~malloc3.offset := #Ultimate.allocOnStack(4);f_~x~0.base, f_~x~0.offset := f_#t~malloc3.base, f_#t~malloc3.offset;call f_#t~malloc4.base, f_#t~malloc4.offset := #Ultimate.allocOnStack(4);f_~y~0.base, f_~y~0.offset := f_#t~malloc4.base, f_#t~malloc4.offset;call f_#t~malloc5.base, f_#t~malloc5.offset := #Ultimate.allocOnStack(4);f_~k~0.base, f_~k~0.offset := f_#t~malloc5.base, f_#t~malloc5.offset;call f_#t~malloc6.base, f_#t~malloc6.offset := #Ultimate.allocOnStack(4);f_~z~0.base, f_~z~0.offset := f_#t~malloc6.base, f_#t~malloc6.offset;call write~int(f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(1, f_~x~0.base, f_~x~0.offset, 4);call write~int(1, f_~y~0.base, f_~y~0.offset, 4);call write~int(1, f_~k~0.base, f_~k~0.offset, 4);call write~int(1, f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem7 := read~int(f_~k~0.base, f_~k~0.offset, 4); 124#L558 assume !(f_#t~mem7 > 1073741823);havoc f_#t~mem7; 125#L562-2 call f_#t~mem8 := read~int(f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem9 := read~int(f_~k~0.base, f_~k~0.offset, 4); 140#L562 assume !(f_#t~mem8 < f_#t~mem9);havoc f_#t~mem9;havoc f_#t~mem8; 127#L567-2 [2019-11-20 03:42:15,856 INFO L796 eck$LassoCheckResult]: Loop: 127#L567-2 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 135#L566 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 136#L566-2 assume !!f_#t~short13;havoc f_#t~short13;havoc f_#t~mem12;havoc f_#t~mem11; 132#L567 assume !(0 != f_#t~nondet14);havoc f_#t~nondet14;call f_#t~mem19 := read~int(f_~y~0.base, f_~y~0.offset, 4);call f_#t~mem20 := read~int(f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(f_#t~mem19 - f_#t~mem20, f_~y~0.base, f_~y~0.offset, 4);havoc f_#t~mem19;havoc f_#t~mem20; 127#L567-2 [2019-11-20 03:42:15,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:42:15,856 INFO L82 PathProgramCache]: Analyzing trace with hash 889509771, now seen corresponding path program 2 times [2019-11-20 03:42:15,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:42:15,857 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892810699] [2019-11-20 03:42:15,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:42:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:42:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:42:15,908 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:42:15,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:42:15,909 INFO L82 PathProgramCache]: Analyzing trace with hash 1757931, now seen corresponding path program 1 times [2019-11-20 03:42:15,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:42:15,910 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686338746] [2019-11-20 03:42:15,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:42:15,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:42:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:42:15,932 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:42:15,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:42:15,933 INFO L82 PathProgramCache]: Analyzing trace with hash -260778635, now seen corresponding path program 1 times [2019-11-20 03:42:15,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:42:15,933 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808274438] [2019-11-20 03:42:15,934 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:42:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:42:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:42:15,990 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:42:16,150 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 54 [2019-11-20 03:42:17,440 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 159 DAG size of output: 123 [2019-11-20 03:42:17,956 WARN L191 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-11-20 03:42:17,971 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:42:17,976 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:42:17,976 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:42:17,976 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:42:17,977 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 03:42:17,977 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:17,977 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:42:17,977 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:42:17,977 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i_Iteration3_Lasso [2019-11-20 03:42:17,977 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:42:17,978 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:42:17,999 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 03:42:18,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:42:18,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:42:18,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:42:18,019 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 03:42:18,021 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 03:42:18,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:42:18,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:42:18,892 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 92 [2019-11-20 03:42:19,068 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-11-20 03:42:19,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:42:19,079 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 03:42:19,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:42:19,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:42:19,085 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 03:42:19,087 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 03:42:19,089 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 03:42:19,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:42:19,095 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 03:42:19,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:42:19,098 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 03:42:19,107 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 03:42:19,109 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 03:42:19,112 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 03:42:19,114 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 03:42:19,117 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 03:42:19,119 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 03:42:19,694 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 03:42:19,698 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:19,703 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 03:42:19,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:19,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:42:19,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:19,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:19,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:19,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:42:19,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:42:19,709 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:19,714 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 03:42:19,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:19,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:19,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:19,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:19,720 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:42:19,720 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:42:19,725 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:19,750 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 03:42:19,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:19,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:42:19,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:19,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:19,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:19,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:42:19,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:42:19,757 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:19,774 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 03:42:19,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:19,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:42:19,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:19,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:19,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:19,777 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:42:19,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:42:19,780 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:19,795 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 03:42:19,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:19,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:42:19,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:19,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:19,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:19,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:42:19,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:42:19,799 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/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 03:42:19,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:42:19,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:19,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:19,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:19,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:19,810 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:42:19,810 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:42:19,814 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/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) [2019-11-20 03:42:19,830 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 03:42:19,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:19,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:42:19,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:19,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:19,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:19,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:42:19,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:19,837 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:19,854 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 03:42:19,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:19,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:19,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:19,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:19,862 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:42:19,862 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:42:19,868 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:19,876 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 03:42:19,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:19,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:19,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:19,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:19,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:42:19,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:42:19,889 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/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 03:42:19,903 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 03:42:19,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:19,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:19,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:19,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:19,910 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:42:19,910 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 03:42:19,921 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/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 03:42:19,934 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 03:42:19,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:19,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:19,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:19,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:19,954 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:42:19,954 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 03:42:19,972 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:19,980 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 03:42:19,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:19,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:19,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:19,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:19,984 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:42:19,984 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:42:19,989 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:20,006 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 03:42:20,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:20,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:20,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:20,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:20,012 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:42:20,012 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:42:20,017 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:20,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:42:20,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:20,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:20,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:20,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:20,035 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:42:20,035 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:42:20,039 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/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 03:42:20,050 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 03:42:20,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:20,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:20,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:20,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:20,057 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:42:20,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:42:20,069 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 03:42:20,149 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-11-20 03:42:20,150 INFO L444 ModelExtractionUtils]: 7 out of 16 variables were initially zero. Simplification set additionally 5 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/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 03:42:20,226 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:20,234 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-20 03:42:20,234 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 03:42:20,235 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_f_~y~0.base) ULTIMATE.start_f_~y~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_f_~y~0.base) ULTIMATE.start_f_~y~0.offset)_1 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_f_~d_ref~0.base) ULTIMATE.start_f_~d_ref~0.offset)_1 - 1 >= 0] [2019-11-20 03:42:20,546 INFO L297 tatePredicateManager]: 60 out of 64 supporting invariants were superfluous and have been removed [2019-11-20 03:42:20,559 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 03:42:20,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:42:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:42:20,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 29 conjunts are in the unsatisfiable core [2019-11-20 03:42:20,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:42:20,778 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:20,778 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 62 [2019-11-20 03:42:20,779 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 03:42:20,854 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:20,864 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 03:42:20,930 INFO L343 Elim1Store]: treesize reduction 88, result has 24.8 percent of original size [2019-11-20 03:42:20,931 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 251 treesize of output 36 [2019-11-20 03:42:20,931 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 03:42:20,971 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:20,973 INFO L496 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2019-11-20 03:42:20,973 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 9 variables, input treesize:298, output treesize:70 [2019-11-20 03:42:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:42:21,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-20 03:42:21,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:42:21,093 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 03:42:21,179 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 03:42:21,182 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-11-20 03:42:21,183 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 22 transitions. cyclomatic complexity: 5 Second operand 6 states. [2019-11-20 03:42:21,349 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 22 transitions. cyclomatic complexity: 5. Second operand 6 states. Result 29 states and 34 transitions. Complement of second has 10 states. [2019-11-20 03:42:21,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-20 03:42:21,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-20 03:42:21,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2019-11-20 03:42:21,353 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-20 03:42:21,354 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:42:21,354 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 10 letters. Loop has 4 letters. [2019-11-20 03:42:21,354 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:42:21,354 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 6 letters. Loop has 8 letters. [2019-11-20 03:42:21,354 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:42:21,355 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. [2019-11-20 03:42:21,356 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-11-20 03:42:21,356 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 28 states and 33 transitions. [2019-11-20 03:42:21,357 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2019-11-20 03:42:21,357 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2019-11-20 03:42:21,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 33 transitions. [2019-11-20 03:42:21,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:42:21,357 INFO L688 BuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2019-11-20 03:42:21,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 33 transitions. [2019-11-20 03:42:21,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2019-11-20 03:42:21,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-20 03:42:21,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2019-11-20 03:42:21,365 INFO L711 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2019-11-20 03:42:21,365 INFO L591 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2019-11-20 03:42:21,365 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 03:42:21,365 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 32 transitions. [2019-11-20 03:42:21,367 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-11-20 03:42:21,367 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:42:21,367 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:42:21,368 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 03:42:21,368 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 03:42:21,368 INFO L794 eck$LassoCheckResult]: Stem: 515#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 512#L-1 havoc main_#res;havoc main_#t~nondet21; 501#L578 assume !(0 != main_#t~nondet21);havoc main_#t~nondet21;f_#in~d := 2;havoc f_#t~malloc2.base, f_#t~malloc2.offset, f_#t~malloc3.base, f_#t~malloc3.offset, f_#t~malloc4.base, f_#t~malloc4.offset, f_#t~malloc5.base, f_#t~malloc5.offset, f_#t~malloc6.base, f_#t~malloc6.offset, f_#t~mem7, f_#t~mem10, f_#t~mem8, f_#t~mem9, f_#t~nondet14, f_#t~mem15, f_#t~mem16, f_#t~nondet17, f_#t~mem18, f_#t~mem19, f_#t~mem20, f_#t~mem11, f_#t~mem12, f_#t~short13, f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, f_~x~0.base, f_~x~0.offset, f_~y~0.base, f_~y~0.offset, f_~k~0.base, f_~k~0.offset, f_~z~0.base, f_~z~0.offset;f_~d := f_#in~d;call f_#t~malloc2.base, f_#t~malloc2.offset := #Ultimate.allocOnStack(4);f_~d_ref~0.base, f_~d_ref~0.offset := f_#t~malloc2.base, f_#t~malloc2.offset;call f_#t~malloc3.base, f_#t~malloc3.offset := #Ultimate.allocOnStack(4);f_~x~0.base, f_~x~0.offset := f_#t~malloc3.base, f_#t~malloc3.offset;call f_#t~malloc4.base, f_#t~malloc4.offset := #Ultimate.allocOnStack(4);f_~y~0.base, f_~y~0.offset := f_#t~malloc4.base, f_#t~malloc4.offset;call f_#t~malloc5.base, f_#t~malloc5.offset := #Ultimate.allocOnStack(4);f_~k~0.base, f_~k~0.offset := f_#t~malloc5.base, f_#t~malloc5.offset;call f_#t~malloc6.base, f_#t~malloc6.offset := #Ultimate.allocOnStack(4);f_~z~0.base, f_~z~0.offset := f_#t~malloc6.base, f_#t~malloc6.offset;call write~int(f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(1, f_~x~0.base, f_~x~0.offset, 4);call write~int(1, f_~y~0.base, f_~y~0.offset, 4);call write~int(1, f_~k~0.base, f_~k~0.offset, 4);call write~int(1, f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem7 := read~int(f_~k~0.base, f_~k~0.offset, 4); 498#L558-1 assume !(f_#t~mem7 > 1073741823);havoc f_#t~mem7; 499#L562-5 call f_#t~mem8 := read~int(f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem9 := read~int(f_~k~0.base, f_~k~0.offset, 4); 500#L562-3 assume !(f_#t~mem8 < f_#t~mem9);havoc f_#t~mem9;havoc f_#t~mem8; 506#L567-5 [2019-11-20 03:42:21,368 INFO L796 eck$LassoCheckResult]: Loop: 506#L567-5 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 518#L566-5 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 519#L566-7 assume !!f_#t~short13;havoc f_#t~short13;havoc f_#t~mem12;havoc f_#t~mem11; 514#L567-3 assume !(0 != f_#t~nondet14);havoc f_#t~nondet14;call f_#t~mem19 := read~int(f_~y~0.base, f_~y~0.offset, 4);call f_#t~mem20 := read~int(f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(f_#t~mem19 - f_#t~mem20, f_~y~0.base, f_~y~0.offset, 4);havoc f_#t~mem19;havoc f_#t~mem20; 506#L567-5 [2019-11-20 03:42:21,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:42:21,369 INFO L82 PathProgramCache]: Analyzing trace with hash 890987403, now seen corresponding path program 1 times [2019-11-20 03:42:21,369 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:42:21,370 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266833270] [2019-11-20 03:42:21,370 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:42:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:42:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:42:21,447 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:42:21,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:42:21,448 INFO L82 PathProgramCache]: Analyzing trace with hash 3235563, now seen corresponding path program 1 times [2019-11-20 03:42:21,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:42:21,452 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002110814] [2019-11-20 03:42:21,452 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:42:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:42:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:42:21,473 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:42:21,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:42:21,473 INFO L82 PathProgramCache]: Analyzing trace with hash -1434718859, now seen corresponding path program 1 times [2019-11-20 03:42:21,474 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:42:21,474 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250993689] [2019-11-20 03:42:21,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:42:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:42:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:42:21,537 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:42:21,654 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 54 [2019-11-20 03:42:22,673 WARN L191 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 123 [2019-11-20 03:42:23,030 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-11-20 03:42:23,033 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:42:23,033 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:42:23,033 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:42:23,033 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:42:23,033 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 03:42:23,033 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:23,034 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:42:23,034 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:42:23,034 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i_Iteration4_Lasso [2019-11-20 03:42:23,034 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:42:23,034 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:42:23,037 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 03:42:23,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:42:23,057 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 03:42:23,060 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 03:42:23,063 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 03:42:23,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:42:23,066 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 03:42:23,068 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 03:42:23,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:42:23,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:42:23,074 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 03:42:23,077 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 03:42:23,078 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 03:42:23,082 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 03:42:23,084 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 03:42:23,702 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 91 [2019-11-20 03:42:23,882 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2019-11-20 03:42:23,882 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 03:42:23,885 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 03:42:23,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:42:23,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:42:23,890 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 03:42:23,891 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 03:42:23,893 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 03:42:23,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:42:23,897 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 03:42:23,899 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 03:42:24,416 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 03:42:24,416 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:24,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:42:24,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:24,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:42:24,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:24,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:24,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:24,428 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:42:24,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:42:24,429 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:24,433 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 03:42:24,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:24,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:42:24,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:24,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:24,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:24,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:42:24,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:42:24,436 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:24,445 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 03:42:24,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:24,447 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:42:24,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:24,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:24,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:24,448 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:42:24,448 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:42:24,453 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:24,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:42:24,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:24,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:24,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:24,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:24,473 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:42:24,473 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:42:24,475 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:24,479 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 03:42:24,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:24,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:42:24,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:24,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:24,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:24,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:42:24,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:42:24,482 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:24,487 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 03:42:24,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:24,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:24,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:24,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:24,490 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:42:24,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:42:24,493 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:24,497 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 03:42:24,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:24,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:42:24,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:24,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:24,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:24,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:42:24,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:42:24,500 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:24,504 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 03:42:24,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:24,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:42:24,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:24,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:24,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:24,506 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:42:24,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:42:24,507 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:24,512 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 03:42:24,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:24,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:24,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:24,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:24,515 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:42:24,515 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:42:24,517 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:24,521 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 03:42:24,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:24,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:42:24,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:24,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:24,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:24,523 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:42:24,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:42:24,524 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:24,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:42:24,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:24,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:24,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:24,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:24,532 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:42:24,532 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:42:24,537 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:42:24,554 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 03:42:24,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:24,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:42:24,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:24,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:24,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:24,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:42:24,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:24,558 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:42:24,566 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 03:42:24,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:24,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:42:24,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:24,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:24,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:24,568 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:42:24,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:24,570 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:24,576 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 03:42:24,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:24,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:24,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:24,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:24,579 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:42:24,579 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:42:24,581 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:42:24,594 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 03:42:24,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:24,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:24,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:24,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:24,597 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:42:24,597 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:42:24,600 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:24,604 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 03:42:24,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:24,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:24,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:24,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:24,609 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:42:24,609 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:42:24,613 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:24,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:42:24,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:24,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:24,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:24,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:24,625 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:42:24,625 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:42:24,633 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:42:24,642 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 03:42:24,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:24,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:24,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:24,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:24,659 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:42:24,660 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:24,673 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:24,681 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 03:42:24,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:24,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:24,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:24,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:24,695 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:42:24,695 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 03:42:24,712 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:42:24,722 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 03:42:24,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:42:24,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:42:24,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:42:24,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:42:24,728 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 03:42:24,728 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:24,737 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 03:42:24,751 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-20 03:42:24,752 INFO L444 ModelExtractionUtils]: 8 out of 16 variables were initially zero. Simplification set additionally 4 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:42:24,758 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:42:24,761 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-20 03:42:24,761 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 03:42:24,761 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_f_~y~0.base) ULTIMATE.start_f_~y~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_f_~y~0.base) ULTIMATE.start_f_~y~0.offset)_2 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_f_~d_ref~0.base) ULTIMATE.start_f_~d_ref~0.offset)_2 - 2 >= 0] [2019-11-20 03:42:24,933 INFO L297 tatePredicateManager]: 55 out of 59 supporting invariants were superfluous and have been removed [2019-11-20 03:42:24,939 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 03:42:24,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:42:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:42:24,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-20 03:42:24,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:42:25,063 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:25,063 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 101 [2019-11-20 03:42:25,064 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 03:42:25,121 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:25,137 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 03:42:25,138 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 03:42:25,140 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 36 [2019-11-20 03:42:25,140 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 03:42:25,173 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:25,175 INFO L496 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2019-11-20 03:42:25,175 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 10 variables, input treesize:312, output treesize:83 [2019-11-20 03:42:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:42:25,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-20 03:42:25,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:42:25,226 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 03:42:25,279 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 03:42:25,279 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-11-20 03:42:25,279 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 8 Second operand 6 states. [2019-11-20 03:42:25,772 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 8. Second operand 6 states. Result 37 states and 44 transitions. Complement of second has 10 states. [2019-11-20 03:42:25,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-20 03:42:25,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-20 03:42:25,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2019-11-20 03:42:25,774 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-20 03:42:25,774 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:42:25,774 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 10 letters. Loop has 4 letters. [2019-11-20 03:42:25,775 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:42:25,775 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 6 letters. Loop has 8 letters. [2019-11-20 03:42:25,775 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:42:25,775 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 44 transitions. [2019-11-20 03:42:25,776 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-11-20 03:42:25,777 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 36 states and 43 transitions. [2019-11-20 03:42:25,777 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2019-11-20 03:42:25,777 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2019-11-20 03:42:25,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 43 transitions. [2019-11-20 03:42:25,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:42:25,778 INFO L688 BuchiCegarLoop]: Abstraction has 36 states and 43 transitions. [2019-11-20 03:42:25,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 43 transitions. [2019-11-20 03:42:25,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2019-11-20 03:42:25,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-11-20 03:42:25,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2019-11-20 03:42:25,781 INFO L711 BuchiCegarLoop]: Abstraction has 35 states and 42 transitions. [2019-11-20 03:42:25,782 INFO L591 BuchiCegarLoop]: Abstraction has 35 states and 42 transitions. [2019-11-20 03:42:25,782 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-20 03:42:25,782 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 42 transitions. [2019-11-20 03:42:25,783 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-11-20 03:42:25,783 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:42:25,783 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:42:25,784 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:42:25,784 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-20 03:42:25,784 INFO L794 eck$LassoCheckResult]: Stem: 882#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 881#L-1 havoc main_#res;havoc main_#t~nondet21; 867#L578 assume 0 != main_#t~nondet21;havoc main_#t~nondet21;f_#in~d := 1;havoc f_#t~malloc2.base, f_#t~malloc2.offset, f_#t~malloc3.base, f_#t~malloc3.offset, f_#t~malloc4.base, f_#t~malloc4.offset, f_#t~malloc5.base, f_#t~malloc5.offset, f_#t~malloc6.base, f_#t~malloc6.offset, f_#t~mem7, f_#t~mem10, f_#t~mem8, f_#t~mem9, f_#t~nondet14, f_#t~mem15, f_#t~mem16, f_#t~nondet17, f_#t~mem18, f_#t~mem19, f_#t~mem20, f_#t~mem11, f_#t~mem12, f_#t~short13, f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, f_~x~0.base, f_~x~0.offset, f_~y~0.base, f_~y~0.offset, f_~k~0.base, f_~k~0.offset, f_~z~0.base, f_~z~0.offset;f_~d := f_#in~d;call f_#t~malloc2.base, f_#t~malloc2.offset := #Ultimate.allocOnStack(4);f_~d_ref~0.base, f_~d_ref~0.offset := f_#t~malloc2.base, f_#t~malloc2.offset;call f_#t~malloc3.base, f_#t~malloc3.offset := #Ultimate.allocOnStack(4);f_~x~0.base, f_~x~0.offset := f_#t~malloc3.base, f_#t~malloc3.offset;call f_#t~malloc4.base, f_#t~malloc4.offset := #Ultimate.allocOnStack(4);f_~y~0.base, f_~y~0.offset := f_#t~malloc4.base, f_#t~malloc4.offset;call f_#t~malloc5.base, f_#t~malloc5.offset := #Ultimate.allocOnStack(4);f_~k~0.base, f_~k~0.offset := f_#t~malloc5.base, f_#t~malloc5.offset;call f_#t~malloc6.base, f_#t~malloc6.offset := #Ultimate.allocOnStack(4);f_~z~0.base, f_~z~0.offset := f_#t~malloc6.base, f_#t~malloc6.offset;call write~int(f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(1, f_~x~0.base, f_~x~0.offset, 4);call write~int(1, f_~y~0.base, f_~y~0.offset, 4);call write~int(1, f_~k~0.base, f_~k~0.offset, 4);call write~int(1, f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem7 := read~int(f_~k~0.base, f_~k~0.offset, 4); 860#L558 assume !(f_#t~mem7 > 1073741823);havoc f_#t~mem7; 861#L562-2 call f_#t~mem8 := read~int(f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem9 := read~int(f_~k~0.base, f_~k~0.offset, 4); 886#L562 assume !(f_#t~mem8 < f_#t~mem9);havoc f_#t~mem9;havoc f_#t~mem8; 887#L567-2 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 873#L566 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 874#L566-2 assume !!f_#t~short13;havoc f_#t~short13;havoc f_#t~mem12;havoc f_#t~mem11; 868#L567 assume 0 != f_#t~nondet14;havoc f_#t~nondet14; 862#L568 [2019-11-20 03:42:25,784 INFO L796 eck$LassoCheckResult]: Loop: 862#L568 call f_#t~mem15 := read~int(f_~x~0.base, f_~x~0.offset, 4);call f_#t~mem16 := read~int(f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(f_#t~mem15 - f_#t~mem16, f_~x~0.base, f_~x~0.offset, 4);havoc f_#t~mem15;havoc f_#t~mem16;call write~int(f_#t~nondet17, f_~y~0.base, f_~y~0.offset, 4);havoc f_#t~nondet17;call f_#t~mem18 := read~int(f_~z~0.base, f_~z~0.offset, 4);call write~int(f_#t~mem18 - 1, f_~z~0.base, f_~z~0.offset, 4);havoc f_#t~mem18; 863#L567-2 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 877#L566 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 892#L566-2 assume !!f_#t~short13;havoc f_#t~short13;havoc f_#t~mem12;havoc f_#t~mem11; 891#L567 assume 0 != f_#t~nondet14;havoc f_#t~nondet14; 862#L568 [2019-11-20 03:42:25,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:42:25,785 INFO L82 PathProgramCache]: Analyzing trace with hash -260778639, now seen corresponding path program 1 times [2019-11-20 03:42:25,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:42:25,785 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605985589] [2019-11-20 03:42:25,786 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:42:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:42:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:42:25,822 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:42:25,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:42:25,823 INFO L82 PathProgramCache]: Analyzing trace with hash 69174960, now seen corresponding path program 1 times [2019-11-20 03:42:25,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:42:25,823 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879055658] [2019-11-20 03:42:25,824 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:42:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:42:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:42:25,837 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:42:25,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:42:25,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1938200384, now seen corresponding path program 1 times [2019-11-20 03:42:25,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:42:25,838 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178521361] [2019-11-20 03:42:25,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:42:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:42:26,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:42:26,192 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178521361] [2019-11-20 03:42:26,192 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698560997] [2019-11-20 03:42:26,192 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 03:42:26,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:42:26,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 39 conjunts are in the unsatisfiable core [2019-11-20 03:42:26,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:42:26,356 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:26,357 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 101 [2019-11-20 03:42:26,357 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 03:42:26,417 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:26,430 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 36 [2019-11-20 03:42:26,430 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 03:42:26,481 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:26,482 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 03:42:26,482 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:308, output treesize:82 [2019-11-20 03:42:26,542 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 03:42:26,543 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 03:42:26,548 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 57 [2019-11-20 03:42:26,549 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 03:42:26,585 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:26,587 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-11-20 03:42:26,587 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:237, output treesize:59 [2019-11-20 03:42:26,607 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 03:42:26,615 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:42:26,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 03:42:26,616 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2019-11-20 03:42:26,616 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774522277] [2019-11-20 03:42:26,777 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2019-11-20 03:42:26,831 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:42:26,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-20 03:42:26,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-11-20 03:42:26,832 INFO L87 Difference]: Start difference. First operand 35 states and 42 transitions. cyclomatic complexity: 11 Second operand 11 states. [2019-11-20 03:42:27,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:42:27,240 INFO L93 Difference]: Finished difference Result 54 states and 60 transitions. [2019-11-20 03:42:27,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 03:42:27,241 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 60 transitions. [2019-11-20 03:42:27,242 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-11-20 03:42:27,243 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 42 states and 48 transitions. [2019-11-20 03:42:27,243 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2019-11-20 03:42:27,243 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2019-11-20 03:42:27,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 48 transitions. [2019-11-20 03:42:27,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:42:27,243 INFO L688 BuchiCegarLoop]: Abstraction has 42 states and 48 transitions. [2019-11-20 03:42:27,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 48 transitions. [2019-11-20 03:42:27,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2019-11-20 03:42:27,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-20 03:42:27,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2019-11-20 03:42:27,246 INFO L711 BuchiCegarLoop]: Abstraction has 39 states and 45 transitions. [2019-11-20 03:42:27,246 INFO L591 BuchiCegarLoop]: Abstraction has 39 states and 45 transitions. [2019-11-20 03:42:27,247 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-20 03:42:27,247 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 45 transitions. [2019-11-20 03:42:27,247 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-11-20 03:42:27,247 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:42:27,248 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:42:27,248 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:42:27,248 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-20 03:42:27,248 INFO L794 eck$LassoCheckResult]: Stem: 1040#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1039#L-1 havoc main_#res;havoc main_#t~nondet21; 1022#L578 assume !(0 != main_#t~nondet21);havoc main_#t~nondet21;f_#in~d := 2;havoc f_#t~malloc2.base, f_#t~malloc2.offset, f_#t~malloc3.base, f_#t~malloc3.offset, f_#t~malloc4.base, f_#t~malloc4.offset, f_#t~malloc5.base, f_#t~malloc5.offset, f_#t~malloc6.base, f_#t~malloc6.offset, f_#t~mem7, f_#t~mem10, f_#t~mem8, f_#t~mem9, f_#t~nondet14, f_#t~mem15, f_#t~mem16, f_#t~nondet17, f_#t~mem18, f_#t~mem19, f_#t~mem20, f_#t~mem11, f_#t~mem12, f_#t~short13, f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, f_~x~0.base, f_~x~0.offset, f_~y~0.base, f_~y~0.offset, f_~k~0.base, f_~k~0.offset, f_~z~0.base, f_~z~0.offset;f_~d := f_#in~d;call f_#t~malloc2.base, f_#t~malloc2.offset := #Ultimate.allocOnStack(4);f_~d_ref~0.base, f_~d_ref~0.offset := f_#t~malloc2.base, f_#t~malloc2.offset;call f_#t~malloc3.base, f_#t~malloc3.offset := #Ultimate.allocOnStack(4);f_~x~0.base, f_~x~0.offset := f_#t~malloc3.base, f_#t~malloc3.offset;call f_#t~malloc4.base, f_#t~malloc4.offset := #Ultimate.allocOnStack(4);f_~y~0.base, f_~y~0.offset := f_#t~malloc4.base, f_#t~malloc4.offset;call f_#t~malloc5.base, f_#t~malloc5.offset := #Ultimate.allocOnStack(4);f_~k~0.base, f_~k~0.offset := f_#t~malloc5.base, f_#t~malloc5.offset;call f_#t~malloc6.base, f_#t~malloc6.offset := #Ultimate.allocOnStack(4);f_~z~0.base, f_~z~0.offset := f_#t~malloc6.base, f_#t~malloc6.offset;call write~int(f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(1, f_~x~0.base, f_~x~0.offset, 4);call write~int(1, f_~y~0.base, f_~y~0.offset, 4);call write~int(1, f_~k~0.base, f_~k~0.offset, 4);call write~int(1, f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem7 := read~int(f_~k~0.base, f_~k~0.offset, 4); 1019#L558-1 assume !(f_#t~mem7 > 1073741823);havoc f_#t~mem7; 1020#L562-5 call f_#t~mem8 := read~int(f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem9 := read~int(f_~k~0.base, f_~k~0.offset, 4); 1021#L562-3 assume !(f_#t~mem8 < f_#t~mem9);havoc f_#t~mem9;havoc f_#t~mem8; 1047#L567-5 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 1044#L566-5 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 1045#L566-7 assume !!f_#t~short13;havoc f_#t~short13;havoc f_#t~mem12;havoc f_#t~mem11; 1036#L567-3 assume 0 != f_#t~nondet14;havoc f_#t~nondet14; 1026#L568-1 [2019-11-20 03:42:27,248 INFO L796 eck$LassoCheckResult]: Loop: 1026#L568-1 call f_#t~mem15 := read~int(f_~x~0.base, f_~x~0.offset, 4);call f_#t~mem16 := read~int(f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(f_#t~mem15 - f_#t~mem16, f_~x~0.base, f_~x~0.offset, 4);havoc f_#t~mem15;havoc f_#t~mem16;call write~int(f_#t~nondet17, f_~y~0.base, f_~y~0.offset, 4);havoc f_#t~nondet17;call f_#t~mem18 := read~int(f_~z~0.base, f_~z~0.offset, 4);call write~int(f_#t~mem18 - 1, f_~z~0.base, f_~z~0.offset, 4);havoc f_#t~mem18; 1027#L567-5 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 1042#L566-5 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 1051#L566-7 assume !!f_#t~short13;havoc f_#t~short13;havoc f_#t~mem12;havoc f_#t~mem11; 1050#L567-3 assume 0 != f_#t~nondet14;havoc f_#t~nondet14; 1026#L568-1 [2019-11-20 03:42:27,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:42:27,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1434718863, now seen corresponding path program 1 times [2019-11-20 03:42:27,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:42:27,249 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534766596] [2019-11-20 03:42:27,250 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:42:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:42:27,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:42:27,277 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:42:27,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:42:27,277 INFO L82 PathProgramCache]: Analyzing trace with hash 114981600, now seen corresponding path program 1 times [2019-11-20 03:42:27,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:42:27,278 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155636038] [2019-11-20 03:42:27,278 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:42:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:42:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:42:27,289 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:42:27,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:42:27,290 INFO L82 PathProgramCache]: Analyzing trace with hash -588680336, now seen corresponding path program 1 times [2019-11-20 03:42:27,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:42:27,290 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105775276] [2019-11-20 03:42:27,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:42:27,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:42:27,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:42:27,530 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105775276] [2019-11-20 03:42:27,530 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16205803] [2019-11-20 03:42:27,530 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 03:42:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:42:27,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 39 conjunts are in the unsatisfiable core [2019-11-20 03:42:27,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:42:27,636 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:27,636 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 70 [2019-11-20 03:42:27,637 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 03:42:27,692 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:27,707 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 03:42:27,719 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:27,720 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 251 treesize of output 52 [2019-11-20 03:42:27,720 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 03:42:27,806 INFO L567 ElimStorePlain]: treesize reduction 20, result has 80.0 percent of original size [2019-11-20 03:42:27,807 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 03:42:27,807 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 03:42:27,807 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:306, output treesize:77 [2019-11-20 03:42:28,076 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 03:42:28,088 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 03:42:28,094 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 03:42:28,112 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 03:42:28,116 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-20 03:42:28,151 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 70 [2019-11-20 03:42:28,152 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 03:42:28,154 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 03:42:28,155 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 03:42:28,205 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:28,206 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 180 treesize of output 152 [2019-11-20 03:42:28,207 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 03:42:28,345 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 45 [2019-11-20 03:42:28,345 INFO L567 ElimStorePlain]: treesize reduction 103, result has 52.3 percent of original size [2019-11-20 03:42:28,361 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2019-11-20 03:42:28,361 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:446, output treesize:71 [2019-11-20 03:42:28,405 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 03:42:28,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:42:28,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 03:42:28,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2019-11-20 03:42:28,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905341581] [2019-11-20 03:42:28,588 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2019-11-20 03:42:28,645 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:42:28,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-20 03:42:28,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-11-20 03:42:28,645 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. cyclomatic complexity: 10 Second operand 11 states. [2019-11-20 03:42:29,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:42:29,247 INFO L93 Difference]: Finished difference Result 58 states and 63 transitions. [2019-11-20 03:42:29,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-20 03:42:29,248 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 63 transitions. [2019-11-20 03:42:29,249 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-11-20 03:42:29,250 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 46 states and 51 transitions. [2019-11-20 03:42:29,250 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2019-11-20 03:42:29,250 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2019-11-20 03:42:29,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 51 transitions. [2019-11-20 03:42:29,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:42:29,251 INFO L688 BuchiCegarLoop]: Abstraction has 46 states and 51 transitions. [2019-11-20 03:42:29,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 51 transitions. [2019-11-20 03:42:29,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2019-11-20 03:42:29,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-20 03:42:29,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2019-11-20 03:42:29,254 INFO L711 BuchiCegarLoop]: Abstraction has 43 states and 48 transitions. [2019-11-20 03:42:29,254 INFO L591 BuchiCegarLoop]: Abstraction has 43 states and 48 transitions. [2019-11-20 03:42:29,254 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-20 03:42:29,254 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 48 transitions. [2019-11-20 03:42:29,255 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-11-20 03:42:29,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:42:29,255 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:42:29,255 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:42:29,256 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-20 03:42:29,256 INFO L794 eck$LassoCheckResult]: Stem: 1209#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1208#L-1 havoc main_#res;havoc main_#t~nondet21; 1191#L578 assume 0 != main_#t~nondet21;havoc main_#t~nondet21;f_#in~d := 1;havoc f_#t~malloc2.base, f_#t~malloc2.offset, f_#t~malloc3.base, f_#t~malloc3.offset, f_#t~malloc4.base, f_#t~malloc4.offset, f_#t~malloc5.base, f_#t~malloc5.offset, f_#t~malloc6.base, f_#t~malloc6.offset, f_#t~mem7, f_#t~mem10, f_#t~mem8, f_#t~mem9, f_#t~nondet14, f_#t~mem15, f_#t~mem16, f_#t~nondet17, f_#t~mem18, f_#t~mem19, f_#t~mem20, f_#t~mem11, f_#t~mem12, f_#t~short13, f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, f_~x~0.base, f_~x~0.offset, f_~y~0.base, f_~y~0.offset, f_~k~0.base, f_~k~0.offset, f_~z~0.base, f_~z~0.offset;f_~d := f_#in~d;call f_#t~malloc2.base, f_#t~malloc2.offset := #Ultimate.allocOnStack(4);f_~d_ref~0.base, f_~d_ref~0.offset := f_#t~malloc2.base, f_#t~malloc2.offset;call f_#t~malloc3.base, f_#t~malloc3.offset := #Ultimate.allocOnStack(4);f_~x~0.base, f_~x~0.offset := f_#t~malloc3.base, f_#t~malloc3.offset;call f_#t~malloc4.base, f_#t~malloc4.offset := #Ultimate.allocOnStack(4);f_~y~0.base, f_~y~0.offset := f_#t~malloc4.base, f_#t~malloc4.offset;call f_#t~malloc5.base, f_#t~malloc5.offset := #Ultimate.allocOnStack(4);f_~k~0.base, f_~k~0.offset := f_#t~malloc5.base, f_#t~malloc5.offset;call f_#t~malloc6.base, f_#t~malloc6.offset := #Ultimate.allocOnStack(4);f_~z~0.base, f_~z~0.offset := f_#t~malloc6.base, f_#t~malloc6.offset;call write~int(f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(1, f_~x~0.base, f_~x~0.offset, 4);call write~int(1, f_~y~0.base, f_~y~0.offset, 4);call write~int(1, f_~k~0.base, f_~k~0.offset, 4);call write~int(1, f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem7 := read~int(f_~k~0.base, f_~k~0.offset, 4); 1184#L558 assume !(f_#t~mem7 > 1073741823);havoc f_#t~mem7; 1185#L562-2 call f_#t~mem8 := read~int(f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem9 := read~int(f_~k~0.base, f_~k~0.offset, 4); 1213#L562 assume !(f_#t~mem8 < f_#t~mem9);havoc f_#t~mem9;havoc f_#t~mem8; 1214#L567-2 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 1220#L566 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 1206#L566-2 assume !!f_#t~short13;havoc f_#t~short13;havoc f_#t~mem12;havoc f_#t~mem11; 1207#L567 assume !(0 != f_#t~nondet14);havoc f_#t~nondet14;call f_#t~mem19 := read~int(f_~y~0.base, f_~y~0.offset, 4);call f_#t~mem20 := read~int(f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(f_#t~mem19 - f_#t~mem20, f_~y~0.base, f_~y~0.offset, 4);havoc f_#t~mem19;havoc f_#t~mem20; 1201#L567-2 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 1199#L566 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 1200#L566-2 assume !!f_#t~short13;havoc f_#t~short13;havoc f_#t~mem12;havoc f_#t~mem11; 1193#L567 assume !(0 != f_#t~nondet14);havoc f_#t~nondet14;call f_#t~mem19 := read~int(f_~y~0.base, f_~y~0.offset, 4);call f_#t~mem20 := read~int(f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(f_#t~mem19 - f_#t~mem20, f_~y~0.base, f_~y~0.offset, 4);havoc f_#t~mem19;havoc f_#t~mem20; 1194#L567-2 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 1222#L566 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 1221#L566-2 assume !!f_#t~short13;havoc f_#t~short13;havoc f_#t~mem12;havoc f_#t~mem11; 1192#L567 assume 0 != f_#t~nondet14;havoc f_#t~nondet14; 1186#L568 [2019-11-20 03:42:29,256 INFO L796 eck$LassoCheckResult]: Loop: 1186#L568 call f_#t~mem15 := read~int(f_~x~0.base, f_~x~0.offset, 4);call f_#t~mem16 := read~int(f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(f_#t~mem15 - f_#t~mem16, f_~x~0.base, f_~x~0.offset, 4);havoc f_#t~mem15;havoc f_#t~mem16;call write~int(f_#t~nondet17, f_~y~0.base, f_~y~0.offset, 4);havoc f_#t~nondet17;call f_#t~mem18 := read~int(f_~z~0.base, f_~z~0.offset, 4);call write~int(f_#t~mem18 - 1, f_~z~0.base, f_~z~0.offset, 4);havoc f_#t~mem18; 1187#L567-2 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 1197#L566 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 1198#L566-2 assume !!f_#t~short13;havoc f_#t~short13;havoc f_#t~mem12;havoc f_#t~mem11; 1205#L567 assume 0 != f_#t~nondet14;havoc f_#t~nondet14; 1186#L568 [2019-11-20 03:42:29,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:42:29,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1529889349, now seen corresponding path program 1 times [2019-11-20 03:42:29,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:42:29,256 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848145071] [2019-11-20 03:42:29,256 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:42:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:42:29,412 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:42:29,412 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848145071] [2019-11-20 03:42:29,412 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852792642] [2019-11-20 03:42:29,412 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f455009b-b99a-4639-be12-32af71ce6886/bin/uautomizer/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 03:42:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:42:29,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 35 conjunts are in the unsatisfiable core [2019-11-20 03:42:29,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:42:29,560 INFO L343 Elim1Store]: treesize reduction 184, result has 13.6 percent of original size [2019-11-20 03:42:29,560 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 251 treesize of output 36 [2019-11-20 03:42:29,560 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 03:42:29,571 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:29,571 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-11-20 03:42:29,572 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:258, output treesize:42 [2019-11-20 03:42:29,613 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:29,613 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 53 [2019-11-20 03:42:29,614 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 03:42:29,632 INFO L567 ElimStorePlain]: treesize reduction 30, result has 45.5 percent of original size [2019-11-20 03:42:29,632 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 03:42:29,632 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:25 [2019-11-20 03:42:29,647 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 03:42:29,696 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 03:42:29,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 03:42:29,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-11-20 03:42:29,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878839520] [2019-11-20 03:42:29,697 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 03:42:29,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:42:29,697 INFO L82 PathProgramCache]: Analyzing trace with hash 69174960, now seen corresponding path program 2 times [2019-11-20 03:42:29,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:42:29,697 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975086104] [2019-11-20 03:42:29,697 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:42:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:42:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:42:29,717 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:42:29,887 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2019-11-20 03:42:29,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:42:29,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-20 03:42:29,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-11-20 03:42:29,935 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. cyclomatic complexity: 9 Second operand 11 states. [2019-11-20 03:42:30,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:42:30,037 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2019-11-20 03:42:30,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 03:42:30,037 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 22 transitions. [2019-11-20 03:42:30,038 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 03:42:30,038 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2019-11-20 03:42:30,038 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 03:42:30,038 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 03:42:30,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 03:42:30,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 03:42:30,038 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:42:30,038 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:42:30,038 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:42:30,038 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-11-20 03:42:30,038 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 03:42:30,038 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 03:42:30,038 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 03:42:30,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 03:42:30 BoogieIcfgContainer [2019-11-20 03:42:30,043 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 03:42:30,043 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:42:30,043 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:42:30,044 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:42:30,045 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:42:14" (3/4) ... [2019-11-20 03:42:30,048 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 03:42:30,048 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:42:30,049 INFO L168 Benchmark]: Toolchain (without parser) took 16385.07 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 267.9 MB). Free memory was 940.7 MB in the beginning and 1.0 GB in the end (delta: -64.7 MB). Peak memory consumption was 203.2 MB. Max. memory is 11.5 GB. [2019-11-20 03:42:30,050 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:42:30,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 522.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -177.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-20 03:42:30,050 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-20 03:42:30,051 INFO L168 Benchmark]: Boogie Preprocessor took 49.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 03:42:30,051 INFO L168 Benchmark]: RCFGBuilder took 473.85 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: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2019-11-20 03:42:30,052 INFO L168 Benchmark]: BuchiAutomizer took 15289.75 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 127.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 77.3 MB). Peak memory consumption was 205.3 MB. Max. memory is 11.5 GB. [2019-11-20 03:42:30,052 INFO L168 Benchmark]: Witness Printer took 4.83 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:42:30,054 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 522.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -177.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 473.85 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: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 15289.75 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 127.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 77.3 MB). Peak memory consumption was 205.3 MB. Max. memory is 11.5 GB. * Witness Printer took 4.83 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. 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 - 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 7 terminating modules (5 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[y][y] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y][y] and consists of 6 locations. 5 modules have a trivial ranking function, the largest among these consists of 11 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 15.2s and 8 iterations. TraceHistogramMax:3. Analysis of lassos took 12.1s. Construction of modules took 1.0s. Büchi inclusion checks took 1.9s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 18 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 43 states and ocurred in iteration 6. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 114 SDtfs, 137 SDslu, 225 SDs, 0 SdLazy, 364 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc3 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital543 mio100 ax103 hnf100 lsp93 ukn44 mio100 lsp33 div100 bol100 ite100 ukn100 eq199 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms 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...