./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/array02-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/array02-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 58d4e5463d025a43f4c9f80bcbe28ceb46ed79b1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:55:17,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:55:17,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:55:17,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:55:17,802 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:55:17,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:55:17,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:55:17,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:55:17,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:55:17,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:55:17,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:55:17,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:55:17,826 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:55:17,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:55:17,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:55:17,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:55:17,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:55:17,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:55:17,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:55:17,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:55:17,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:55:17,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:55:17,847 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:55:17,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:55:17,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:55:17,850 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:55:17,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:55:17,852 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:55:17,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:55:17,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:55:17,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:55:17,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:55:17,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:55:17,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:55:17,857 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:55:17,857 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:55:17,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:55:17,858 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:55:17,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:55:17,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:55:17,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:55:17,861 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:55:17,888 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:55:17,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:55:17,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:55:17,900 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:55:17,901 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:55:17,901 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:55:17,901 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:55:17,901 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:55:17,901 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:55:17,902 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:55:17,902 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:55:17,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:55:17,902 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:55:17,903 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:55:17,903 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:55:17,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:55:17,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:55:17,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:55:17,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:55:17,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:55:17,904 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:55:17,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:55:17,904 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:55:17,905 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:55:17,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:55:17,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:55:17,906 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:55:17,906 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:55:17,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:55:17,907 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:55:17,907 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:55:17,908 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:55:17,909 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_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58d4e5463d025a43f4c9f80bcbe28ceb46ed79b1 [2019-11-25 08:55:18,081 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:55:18,098 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:55:18,102 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:55:18,103 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:55:18,104 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:55:18,104 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/../../sv-benchmarks/c/array-memsafety/array02-alloca-2.i [2019-11-25 08:55:18,169 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/data/5b38d4f4b/de2df8c1e3a34282bc28e36c30ed80e8/FLAG1d9ddae40 [2019-11-25 08:55:18,605 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:55:18,606 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/sv-benchmarks/c/array-memsafety/array02-alloca-2.i [2019-11-25 08:55:18,622 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/data/5b38d4f4b/de2df8c1e3a34282bc28e36c30ed80e8/FLAG1d9ddae40 [2019-11-25 08:55:18,985 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/data/5b38d4f4b/de2df8c1e3a34282bc28e36c30ed80e8 [2019-11-25 08:55:18,988 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:55:18,989 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:55:18,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:55:18,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:55:18,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:55:18,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:55:18" (1/1) ... [2019-11-25 08:55:18,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@140dba5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:18, skipping insertion in model container [2019-11-25 08:55:18,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:55:18" (1/1) ... [2019-11-25 08:55:19,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:55:19,051 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:55:19,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:55:19,399 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:55:19,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:55:19,521 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:55:19,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:19 WrapperNode [2019-11-25 08:55:19,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:55:19,524 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:55:19,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:55:19,524 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:55:19,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:19" (1/1) ... [2019-11-25 08:55:19,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:19" (1/1) ... [2019-11-25 08:55:19,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:55:19,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:55:19,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:55:19,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:55:19,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:19" (1/1) ... [2019-11-25 08:55:19,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:19" (1/1) ... [2019-11-25 08:55:19,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:19" (1/1) ... [2019-11-25 08:55:19,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:19" (1/1) ... [2019-11-25 08:55:19,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:19" (1/1) ... [2019-11-25 08:55:19,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:19" (1/1) ... [2019-11-25 08:55:19,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:19" (1/1) ... [2019-11-25 08:55:19,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:55:19,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:55:19,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:55:19,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:55:19,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/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 [2019-11-25 08:55:19,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:55:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:55:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:55:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:55:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:55:19,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:55:20,009 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:55:20,010 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-25 08:55:20,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:55:20 BoogieIcfgContainer [2019-11-25 08:55:20,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:55:20,011 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:55:20,011 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:55:20,015 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:55:20,016 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:55:20,017 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:55:18" (1/3) ... [2019-11-25 08:55:20,018 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66523fc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:55:20, skipping insertion in model container [2019-11-25 08:55:20,018 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:55:20,018 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:19" (2/3) ... [2019-11-25 08:55:20,019 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66523fc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:55:20, skipping insertion in model container [2019-11-25 08:55:20,019 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:55:20,019 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:55:20" (3/3) ... [2019-11-25 08:55:20,021 INFO L371 chiAutomizerObserver]: Analyzing ICFG array02-alloca-2.i [2019-11-25 08:55:20,065 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:55:20,065 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:55:20,066 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:55:20,066 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:55:20,066 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:55:20,066 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:55:20,066 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:55:20,066 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:55:20,080 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2019-11-25 08:55:20,100 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-25 08:55:20,101 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:55:20,101 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:55:20,107 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-25 08:55:20,107 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:55:20,108 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:55:20,108 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2019-11-25 08:55:20,109 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-25 08:55:20,110 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:55:20,110 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:55:20,110 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-25 08:55:20,110 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:55:20,118 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 14#L530true assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 16#L530-2true call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~k~0 := 0; 10#L535-3true [2019-11-25 08:55:20,118 INFO L796 eck$LassoCheckResult]: Loop: 10#L535-3true assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 7#L535-2true main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 10#L535-3true [2019-11-25 08:55:20,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:20,124 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2019-11-25 08:55:20,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:20,133 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056704355] [2019-11-25 08:55:20,133 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:20,281 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:20,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:20,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2019-11-25 08:55:20,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:20,283 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607861904] [2019-11-25 08:55:20,284 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:20,304 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:20,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:20,306 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2019-11-25 08:55:20,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:20,306 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964595490] [2019-11-25 08:55:20,307 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:20,339 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:20,550 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-11-25 08:55:20,631 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:55:20,632 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:55:20,632 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:55:20,632 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:55:20,632 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:55:20,632 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:20,632 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:55:20,632 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:55:20,632 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-2.i_Iteration1_Lasso [2019-11-25 08:55:20,633 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:55:20,633 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:55:20,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:20,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:20,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:20,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:20,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:20,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:20,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:20,894 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2019-11-25 08:55:20,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:20,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:21,207 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:55:21,211 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/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 [2019-11-25 08:55:21,218 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 [2019-11-25 08:55:21,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:21,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:21,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:21,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:21,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:21,222 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:21,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:21,225 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/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 [2019-11-25 08:55:21,234 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 [2019-11-25 08:55:21,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:21,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:21,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:21,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:21,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:21,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:21,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:21,242 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:55:21,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:21,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:21,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:21,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:21,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:21,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:21,273 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:21,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:21,276 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/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 [2019-11-25 08:55:21,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:21,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:21,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:21,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:21,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:21,288 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:21,289 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:21,291 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/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 [2019-11-25 08:55:21,296 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 [2019-11-25 08:55:21,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:21,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:21,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:21,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:21,306 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:21,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:21,312 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:21,326 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 [2019-11-25 08:55:21,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:21,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:21,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:21,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:21,336 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:21,336 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:21,342 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:21,358 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 [2019-11-25 08:55:21,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:21,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:21,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:21,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:21,369 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:21,369 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:21,377 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/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 [2019-11-25 08:55:21,390 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 [2019-11-25 08:55:21,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:21,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:21,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:21,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:21,411 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:21,411 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:21,426 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:55:21,451 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-11-25 08:55:21,451 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/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 [2019-11-25 08:55:21,456 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:55:21,459 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:55:21,460 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:55:21,460 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0, ULTIMATE.start_main_~array_size~0) = -1*ULTIMATE.start_main_~k~0 + 1*ULTIMATE.start_main_~array_size~0 Supporting invariants [] [2019-11-25 08:55:21,484 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-11-25 08:55:21,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:21,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:21,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:55:21,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:21,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:55:21,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:21,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:21,592 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:55:21,593 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states. Second operand 3 states. [2019-11-25 08:55:21,647 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states.. Second operand 3 states. Result 41 states and 61 transitions. Complement of second has 7 states. [2019-11-25 08:55:21,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:55:21,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:55:21,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2019-11-25 08:55:21,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-25 08:55:21,652 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:21,653 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-25 08:55:21,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:21,653 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 4 letters. Loop has 4 letters. [2019-11-25 08:55:21,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:21,654 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 61 transitions. [2019-11-25 08:55:21,658 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-25 08:55:21,662 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 14 states and 19 transitions. [2019-11-25 08:55:21,663 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-25 08:55:21,663 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-11-25 08:55:21,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 19 transitions. [2019-11-25 08:55:21,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:55:21,665 INFO L688 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2019-11-25 08:55:21,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 19 transitions. [2019-11-25 08:55:21,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-11-25 08:55:21,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-11-25 08:55:21,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2019-11-25 08:55:21,696 INFO L711 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2019-11-25 08:55:21,697 INFO L591 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2019-11-25 08:55:21,697 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:55:21,697 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2019-11-25 08:55:21,698 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-25 08:55:21,698 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:55:21,698 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:55:21,698 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:55:21,699 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:55:21,699 INFO L794 eck$LassoCheckResult]: Stem: 127#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 123#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 124#L530 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 128#L530-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~k~0 := 0; 125#L535-3 assume !(main_~k~0 < main_~array_size~0); 126#L535-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 116#L517-3 [2019-11-25 08:55:21,699 INFO L796 eck$LassoCheckResult]: Loop: 116#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 117#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 118#L518-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 122#L522-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 121#L522 assume !(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7; 115#L517-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 116#L517-3 [2019-11-25 08:55:21,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:21,700 INFO L82 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2019-11-25 08:55:21,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:21,700 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048455855] [2019-11-25 08:55:21,700 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:21,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:21,768 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048455855] [2019-11-25 08:55:21,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:21,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:55:21,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117308596] [2019-11-25 08:55:21,773 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:55:21,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:21,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1809463733, now seen corresponding path program 1 times [2019-11-25 08:55:21,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:21,774 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344008926] [2019-11-25 08:55:21,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:21,798 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:21,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:21,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:55:21,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:55:21,854 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand 4 states. [2019-11-25 08:55:21,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:21,891 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2019-11-25 08:55:21,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:55:21,892 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2019-11-25 08:55:21,893 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-25 08:55:21,893 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 19 transitions. [2019-11-25 08:55:21,894 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-11-25 08:55:21,894 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-11-25 08:55:21,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2019-11-25 08:55:21,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:55:21,894 INFO L688 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2019-11-25 08:55:21,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2019-11-25 08:55:21,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2019-11-25 08:55:21,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-11-25 08:55:21,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2019-11-25 08:55:21,896 INFO L711 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2019-11-25 08:55:21,896 INFO L591 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2019-11-25 08:55:21,897 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-25 08:55:21,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2019-11-25 08:55:21,897 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-25 08:55:21,897 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:55:21,898 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:55:21,898 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:55:21,898 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:55:21,898 INFO L794 eck$LassoCheckResult]: Stem: 163#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 159#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 160#L530 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 164#L530-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~k~0 := 0; 161#L535-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 155#L535-2 main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 156#L535-3 assume !(main_~k~0 < main_~array_size~0); 162#L535-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 154#L517-3 [2019-11-25 08:55:21,899 INFO L796 eck$LassoCheckResult]: Loop: 154#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 151#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 152#L518-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 158#L522-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 157#L522 assume !(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7; 153#L517-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 154#L517-3 [2019-11-25 08:55:21,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:21,899 INFO L82 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2019-11-25 08:55:21,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:21,899 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219446402] [2019-11-25 08:55:21,900 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:21,935 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:21,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:21,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1809463733, now seen corresponding path program 2 times [2019-11-25 08:55:21,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:21,936 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882857124] [2019-11-25 08:55:21,936 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:21,968 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:21,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:21,968 INFO L82 PathProgramCache]: Analyzing trace with hash -258934749, now seen corresponding path program 1 times [2019-11-25 08:55:21,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:21,969 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62929626] [2019-11-25 08:55:21,969 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:22,040 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:22,332 WARN L192 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 70 [2019-11-25 08:55:22,445 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:55:22,445 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:55:22,445 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:55:22,445 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:55:22,445 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:55:22,445 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:22,445 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:55:22,445 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:55:22,446 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-2.i_Iteration3_Lasso [2019-11-25 08:55:22,446 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:55:22,446 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:55:22,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:22,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:22,628 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2019-11-25 08:55:22,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:22,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:22,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:22,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:22,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:22,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:22,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:22,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:22,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:22,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:22,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:22,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:22,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:22,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:22,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:22,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:22,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:22,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:22,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:23,090 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:55:23,090 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/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) [2019-11-25 08:55:23,097 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 [2019-11-25 08:55:23,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:23,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:23,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:23,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:23,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:23,100 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:23,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:23,102 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/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) [2019-11-25 08:55:23,118 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 [2019-11-25 08:55:23,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:23,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:23,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:23,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:23,125 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:23,125 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 [2019-11-25 08:55:23,131 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/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 [2019-11-25 08:55:23,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:23,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:23,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:23,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:23,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:23,150 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:23,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:23,157 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/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 [2019-11-25 08:55:23,162 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 [2019-11-25 08:55:23,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:23,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:23,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:23,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:23,166 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:23,167 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:23,173 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/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 [2019-11-25 08:55:23,190 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 [2019-11-25 08:55:23,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:23,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:23,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:23,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:23,205 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:23,205 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:23,225 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:55:23,254 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-11-25 08:55:23,254 INFO L444 ModelExtractionUtils]: 21 out of 37 variables were initially zero. Simplification set additionally 13 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:23,261 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:55:23,269 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:55:23,269 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:55:23,270 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_fun_~N, ULTIMATE.start_test_fun_~i~0) = 1*ULTIMATE.start_test_fun_~N - 1*ULTIMATE.start_test_fun_~i~0 Supporting invariants [] [2019-11-25 08:55:23,284 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2019-11-25 08:55:23,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:23,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:55:23,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:23,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:55:23,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:23,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:23,335 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:55:23,336 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6 Second operand 3 states. [2019-11-25 08:55:23,360 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6. Second operand 3 states. Result 21 states and 28 transitions. Complement of second has 4 states. [2019-11-25 08:55:23,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-25 08:55:23,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:55:23,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2019-11-25 08:55:23,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 8 letters. Loop has 6 letters. [2019-11-25 08:55:23,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:23,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 14 letters. Loop has 6 letters. [2019-11-25 08:55:23,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:23,362 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 8 letters. Loop has 12 letters. [2019-11-25 08:55:23,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:23,362 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2019-11-25 08:55:23,363 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-25 08:55:23,364 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 20 states and 27 transitions. [2019-11-25 08:55:23,364 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-25 08:55:23,364 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-11-25 08:55:23,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. [2019-11-25 08:55:23,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:55:23,365 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2019-11-25 08:55:23,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. [2019-11-25 08:55:23,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2019-11-25 08:55:23,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-25 08:55:23,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2019-11-25 08:55:23,367 INFO L711 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2019-11-25 08:55:23,367 INFO L591 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2019-11-25 08:55:23,367 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-25 08:55:23,367 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2019-11-25 08:55:23,368 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-25 08:55:23,368 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:55:23,368 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:55:23,368 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:55:23,368 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:55:23,368 INFO L794 eck$LassoCheckResult]: Stem: 281#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 277#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 278#L530 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 282#L530-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~k~0 := 0; 279#L535-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 271#L535-2 main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 272#L535-3 assume !(main_~k~0 < main_~array_size~0); 280#L535-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 270#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 264#L518-3 [2019-11-25 08:55:23,369 INFO L796 eck$LassoCheckResult]: Loop: 264#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 265#L518-1 assume !!(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(1 + test_fun_#t~post5, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem4;havoc test_fun_#t~post5;test_fun_#t~post6 := test_fun_~neg~0;test_fun_~neg~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 264#L518-3 [2019-11-25 08:55:23,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:23,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1185641744, now seen corresponding path program 1 times [2019-11-25 08:55:23,369 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:23,369 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373631823] [2019-11-25 08:55:23,369 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:23,405 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:23,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:23,406 INFO L82 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 1 times [2019-11-25 08:55:23,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:23,408 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809033001] [2019-11-25 08:55:23,408 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:23,436 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:23,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:23,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1235383701, now seen corresponding path program 1 times [2019-11-25 08:55:23,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:23,438 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575728004] [2019-11-25 08:55:23,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:23,497 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:23,700 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2019-11-25 08:55:23,768 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:55:23,768 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:55:23,768 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:55:23,769 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:55:23,769 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:55:23,769 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:23,769 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:55:23,769 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:55:23,769 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-2.i_Iteration4_Lasso [2019-11-25 08:55:23,769 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:55:23,769 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:55:23,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:23,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:23,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:23,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:23,906 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2019-11-25 08:55:23,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:23,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:23,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:23,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:23,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:23,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:24,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:24,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:24,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:24,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:24,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:24,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:24,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:24,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:24,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:24,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:24,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:24,361 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:55:24,362 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:24,367 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 [2019-11-25 08:55:24,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:24,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:24,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:24,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:24,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:24,369 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:24,370 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:24,371 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/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 [2019-11-25 08:55:24,375 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 [2019-11-25 08:55:24,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:24,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:24,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:24,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:24,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:24,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:24,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:24,378 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/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 [2019-11-25 08:55:24,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:24,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:24,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:24,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:24,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:24,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:24,384 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:24,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:24,385 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/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 [2019-11-25 08:55:24,398 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 [2019-11-25 08:55:24,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:24,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:24,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:24,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:24,407 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:24,408 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:24,425 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/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 [2019-11-25 08:55:24,442 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 [2019-11-25 08:55:24,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:24,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:24,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:24,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:24,448 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:24,448 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:24,456 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:55:24,467 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-11-25 08:55:24,467 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/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 [2019-11-25 08:55:24,473 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:55:24,476 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:55:24,476 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:55:24,476 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~numbers~0.base) ULTIMATE.start_main_~numbers~0.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~numbers~0.base) ULTIMATE.start_main_~numbers~0.offset)_1 Supporting invariants [] [2019-11-25 08:55:24,489 INFO L297 tatePredicateManager]: 4 out of 6 supporting invariants were superfluous and have been removed [2019-11-25 08:55:24,493 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-25 08:55:24,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:24,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-25 08:55:24,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:24,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-25 08:55:24,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:24,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:24,579 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-25 08:55:24,579 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 26 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-11-25 08:55:24,641 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 26 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 36 states and 47 transitions. Complement of second has 8 states. [2019-11-25 08:55:24,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:55:24,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-25 08:55:24,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2019-11-25 08:55:24,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 9 letters. Loop has 2 letters. [2019-11-25 08:55:24,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:24,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 11 letters. Loop has 2 letters. [2019-11-25 08:55:24,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:24,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 9 letters. Loop has 4 letters. [2019-11-25 08:55:24,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:24,643 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 47 transitions. [2019-11-25 08:55:24,645 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-25 08:55:24,645 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 31 states and 42 transitions. [2019-11-25 08:55:24,645 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2019-11-25 08:55:24,646 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2019-11-25 08:55:24,646 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 42 transitions. [2019-11-25 08:55:24,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:55:24,646 INFO L688 BuchiCegarLoop]: Abstraction has 31 states and 42 transitions. [2019-11-25 08:55:24,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 42 transitions. [2019-11-25 08:55:24,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 26. [2019-11-25 08:55:24,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-25 08:55:24,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 36 transitions. [2019-11-25 08:55:24,649 INFO L711 BuchiCegarLoop]: Abstraction has 26 states and 36 transitions. [2019-11-25 08:55:24,649 INFO L591 BuchiCegarLoop]: Abstraction has 26 states and 36 transitions. [2019-11-25 08:55:24,649 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-25 08:55:24,649 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 36 transitions. [2019-11-25 08:55:24,650 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-25 08:55:24,650 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:55:24,650 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:55:24,650 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:55:24,650 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:55:24,651 INFO L794 eck$LassoCheckResult]: Stem: 428#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 424#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 425#L530 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 429#L530-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~k~0 := 0; 426#L535-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 418#L535-2 main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 419#L535-3 assume !(main_~k~0 < main_~array_size~0); 427#L535-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 415#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 408#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 410#L518-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 421#L522-2 [2019-11-25 08:55:24,651 INFO L796 eck$LassoCheckResult]: Loop: 421#L522-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 420#L522 assume !!(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7;call test_fun_#t~mem8 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post9 := test_fun_#t~mem8;call write~int(test_fun_#t~post9 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem8;havoc test_fun_#t~post9;test_fun_#t~post10 := test_fun_~pos~0;test_fun_~pos~0 := 1 + test_fun_#t~post10;havoc test_fun_#t~post10; 421#L522-2 [2019-11-25 08:55:24,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:24,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1235383699, now seen corresponding path program 1 times [2019-11-25 08:55:24,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:24,651 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25245122] [2019-11-25 08:55:24,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:24,674 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:24,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:24,675 INFO L82 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 1 times [2019-11-25 08:55:24,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:24,675 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359586116] [2019-11-25 08:55:24,675 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:24,684 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:24,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:24,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1792762584, now seen corresponding path program 1 times [2019-11-25 08:55:24,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:24,685 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744761605] [2019-11-25 08:55:24,685 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:24,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:24,711 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:24,956 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 83 [2019-11-25 08:55:25,016 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:55:25,016 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:55:25,016 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:55:25,016 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:55:25,016 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:55:25,016 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:25,016 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:55:25,016 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:55:25,016 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-2.i_Iteration5_Lasso [2019-11-25 08:55:25,017 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:55:25,017 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:55:25,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:25,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:25,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:25,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:25,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:25,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:25,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:25,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:25,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:25,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:25,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:25,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:25,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:25,201 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2019-11-25 08:55:25,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:25,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:25,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:25,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:25,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:25,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:25,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:25,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:25,458 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2019-11-25 08:55:25,670 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:55:25,671 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:55:25,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:25,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:25,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:25,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:25,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:25,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:25,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:25,685 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/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 [2019-11-25 08:55:25,690 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 [2019-11-25 08:55:25,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:25,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:25,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:25,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:25,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:25,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:25,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:25,693 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/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 [2019-11-25 08:55:25,698 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 [2019-11-25 08:55:25,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:25,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:25,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:25,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:25,701 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:25,701 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:25,703 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/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 [2019-11-25 08:55:25,709 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 [2019-11-25 08:55:25,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:25,710 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:25,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:25,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:25,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:25,711 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:25,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:25,713 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/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) [2019-11-25 08:55:25,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:25,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:25,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:25,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:25,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:25,731 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:25,731 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:25,735 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/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 [2019-11-25 08:55:25,739 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 [2019-11-25 08:55:25,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:25,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:25,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:25,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:25,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:25,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:25,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:25,743 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:25,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:25,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:25,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:25,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:25,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:25,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:25,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:25,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:25,750 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:25,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:25,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:25,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:25,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:25,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:25,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:25,756 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:25,756 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:25,758 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/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 [2019-11-25 08:55:25,762 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 [2019-11-25 08:55:25,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:25,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:25,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:25,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:25,765 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:25,765 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:25,768 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/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) [2019-11-25 08:55:25,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:25,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:25,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:25,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:25,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:25,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:25,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:25,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:25,792 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/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 [2019-11-25 08:55:25,798 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 [2019-11-25 08:55:25,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:25,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:25,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:25,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:25,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:25,800 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:25,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:25,802 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/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 [2019-11-25 08:55:25,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:25,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:25,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:25,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:25,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:25,809 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:25,809 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:25,813 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/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) [2019-11-25 08:55:25,830 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 [2019-11-25 08:55:25,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:25,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:25,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:25,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:25,837 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:25,837 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 [2019-11-25 08:55:25,845 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/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) [2019-11-25 08:55:25,851 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 [2019-11-25 08:55:25,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:25,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:25,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:25,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:25,863 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:25,863 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:25,877 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/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) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:25,882 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 [2019-11-25 08:55:25,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:25,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:25,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:25,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:25,886 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:25,886 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:25,897 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:55:25,913 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-11-25 08:55:25,913 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/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) [2019-11-25 08:55:25,917 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 [2019-11-25 08:55:25,924 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:55:25,924 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:55:25,925 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~numbers~0.base) (+ ULTIMATE.start_main_~numbers~0.offset (* ULTIMATE.start_main_~k~0 4) (- 4)))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~numbers~0.base) (+ ULTIMATE.start_main_~numbers~0.offset (* ULTIMATE.start_main_~k~0 4) (- 4)))_1 Supporting invariants [] [2019-11-25 08:55:25,939 INFO L297 tatePredicateManager]: 4 out of 6 supporting invariants were superfluous and have been removed [2019-11-25 08:55:25,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-25 08:55:25,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:25,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-25 08:55:25,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:26,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-25 08:55:26,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:26,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:26,045 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2019-11-25 08:55:26,045 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 36 transitions. cyclomatic complexity: 16 Second operand 6 states. [2019-11-25 08:55:26,150 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 36 transitions. cyclomatic complexity: 16. Second operand 6 states. Result 50 states and 67 transitions. Complement of second has 11 states. [2019-11-25 08:55:26,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 2 non-accepting loop states 2 accepting loop states [2019-11-25 08:55:26,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-25 08:55:26,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 26 transitions. [2019-11-25 08:55:26,151 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 11 letters. Loop has 2 letters. [2019-11-25 08:55:26,151 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:26,151 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 13 letters. Loop has 2 letters. [2019-11-25 08:55:26,152 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:26,152 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 11 letters. Loop has 4 letters. [2019-11-25 08:55:26,152 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:26,152 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 67 transitions. [2019-11-25 08:55:26,153 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-25 08:55:26,154 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 41 states and 54 transitions. [2019-11-25 08:55:26,154 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-11-25 08:55:26,154 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2019-11-25 08:55:26,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 54 transitions. [2019-11-25 08:55:26,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:55:26,155 INFO L688 BuchiCegarLoop]: Abstraction has 41 states and 54 transitions. [2019-11-25 08:55:26,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 54 transitions. [2019-11-25 08:55:26,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 36. [2019-11-25 08:55:26,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-11-25 08:55:26,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 49 transitions. [2019-11-25 08:55:26,164 INFO L711 BuchiCegarLoop]: Abstraction has 36 states and 49 transitions. [2019-11-25 08:55:26,164 INFO L591 BuchiCegarLoop]: Abstraction has 36 states and 49 transitions. [2019-11-25 08:55:26,164 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-25 08:55:26,164 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 49 transitions. [2019-11-25 08:55:26,165 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-25 08:55:26,165 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:55:26,165 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:55:26,165 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:55:26,166 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:55:26,166 INFO L794 eck$LassoCheckResult]: Stem: 609#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 604#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 605#L530 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 613#L530-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~k~0 := 0; 606#L535-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 607#L535-2 main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 621#L535-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 598#L535-2 main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 599#L535-3 assume !(main_~k~0 < main_~array_size~0); 608#L535-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 620#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 619#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 614#L518-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 601#L522-2 [2019-11-25 08:55:26,166 INFO L796 eck$LassoCheckResult]: Loop: 601#L522-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 600#L522 assume !!(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7;call test_fun_#t~mem8 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post9 := test_fun_#t~mem8;call write~int(test_fun_#t~post9 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem8;havoc test_fun_#t~post9;test_fun_#t~post10 := test_fun_~pos~0;test_fun_~pos~0 := 1 + test_fun_#t~post10;havoc test_fun_#t~post10; 601#L522-2 [2019-11-25 08:55:26,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:26,166 INFO L82 PathProgramCache]: Analyzing trace with hash -856885647, now seen corresponding path program 2 times [2019-11-25 08:55:26,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:26,167 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620165480] [2019-11-25 08:55:26,167 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:26,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:26,194 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:26,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:26,195 INFO L82 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 2 times [2019-11-25 08:55:26,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:26,196 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427618266] [2019-11-25 08:55:26,196 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:26,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:26,203 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:26,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:26,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1166615606, now seen corresponding path program 2 times [2019-11-25 08:55:26,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:26,204 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180222592] [2019-11-25 08:55:26,204 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:26,240 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:26,478 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 94 [2019-11-25 08:55:26,575 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:55:26,576 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:55:26,576 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:55:26,576 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:55:26,576 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:55:26,576 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:26,576 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:55:26,576 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:55:26,576 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-2.i_Iteration6_Lasso [2019-11-25 08:55:26,576 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:55:26,576 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:55:26,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:26,698 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2019-11-25 08:55:26,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:26,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:26,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:26,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:26,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:26,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:26,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:26,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:26,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:26,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:26,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:26,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:26,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:26,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:26,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:26,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:26,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:26,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:26,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:26,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:27,098 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:55:27,099 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:27,111 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 [2019-11-25 08:55:27,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:27,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:27,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:27,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:27,119 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:27,119 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:27,133 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:27,139 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 [2019-11-25 08:55:27,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:27,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:27,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:27,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:27,143 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:27,143 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:27,148 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:27,152 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 [2019-11-25 08:55:27,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:27,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:27,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:27,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:27,156 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:27,157 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:27,162 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:55:27,177 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-11-25 08:55:27,177 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:27,180 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:55:27,183 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:55:27,183 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:55:27,183 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ ULTIMATE.start_test_fun_~a.offset (* ULTIMATE.start_test_fun_~i~0 4)))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ ULTIMATE.start_test_fun_~a.offset (* ULTIMATE.start_test_fun_~i~0 4)))_1 Supporting invariants [] [2019-11-25 08:55:27,196 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-11-25 08:55:27,197 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-25 08:55:27,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:27,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:55:27,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:27,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:27,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:55:27,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:27,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:27,246 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:55:27,246 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 49 transitions. cyclomatic complexity: 21 Second operand 3 states. [2019-11-25 08:55:27,268 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 49 transitions. cyclomatic complexity: 21. Second operand 3 states. Result 47 states and 63 transitions. Complement of second has 7 states. [2019-11-25 08:55:27,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:55:27,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:55:27,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2019-11-25 08:55:27,270 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 13 letters. Loop has 2 letters. [2019-11-25 08:55:27,270 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:27,270 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 15 letters. Loop has 2 letters. [2019-11-25 08:55:27,270 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:27,270 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 13 letters. Loop has 4 letters. [2019-11-25 08:55:27,271 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:27,271 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 63 transitions. [2019-11-25 08:55:27,273 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-25 08:55:27,274 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 36 states and 47 transitions. [2019-11-25 08:55:27,274 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-25 08:55:27,274 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-25 08:55:27,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 47 transitions. [2019-11-25 08:55:27,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:55:27,274 INFO L688 BuchiCegarLoop]: Abstraction has 36 states and 47 transitions. [2019-11-25 08:55:27,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 47 transitions. [2019-11-25 08:55:27,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 25. [2019-11-25 08:55:27,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-25 08:55:27,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2019-11-25 08:55:27,277 INFO L711 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2019-11-25 08:55:27,277 INFO L591 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2019-11-25 08:55:27,277 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-25 08:55:27,277 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2019-11-25 08:55:27,278 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-25 08:55:27,278 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:55:27,278 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:55:27,279 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:55:27,279 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:55:27,279 INFO L794 eck$LassoCheckResult]: Stem: 784#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 780#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 781#L530 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 787#L530-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~k~0 := 0; 782#L535-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 774#L535-2 main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 775#L535-3 assume !(main_~k~0 < main_~array_size~0); 783#L535-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 772#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 773#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 790#L518-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 779#L522-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 789#L522 assume !(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7; 770#L517-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 771#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 766#L518-3 [2019-11-25 08:55:27,279 INFO L796 eck$LassoCheckResult]: Loop: 766#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 767#L518-1 assume !!(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(1 + test_fun_#t~post5, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem4;havoc test_fun_#t~post5;test_fun_#t~post6 := test_fun_~neg~0;test_fun_~neg~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 766#L518-3 [2019-11-25 08:55:27,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:27,279 INFO L82 PathProgramCache]: Analyzing trace with hash 562957404, now seen corresponding path program 2 times [2019-11-25 08:55:27,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:27,279 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835868245] [2019-11-25 08:55:27,279 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:27,366 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:27,367 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835868245] [2019-11-25 08:55:27,367 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401232665] [2019-11-25 08:55:27,367 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:55:27,406 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-25 08:55:27,406 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-25 08:55:27,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-25 08:55:27,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:27,477 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:27,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 08:55:27,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 13 [2019-11-25 08:55:27,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655600415] [2019-11-25 08:55:27,478 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:55:27,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:27,478 INFO L82 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 2 times [2019-11-25 08:55:27,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:27,478 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309405101] [2019-11-25 08:55:27,478 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:27,485 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:27,524 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:27,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-25 08:55:27,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2019-11-25 08:55:27,524 INFO L87 Difference]: Start difference. First operand 25 states and 33 transitions. cyclomatic complexity: 14 Second operand 14 states. [2019-11-25 08:55:27,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:27,679 INFO L93 Difference]: Finished difference Result 42 states and 53 transitions. [2019-11-25 08:55:27,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 08:55:27,681 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 53 transitions. [2019-11-25 08:55:27,682 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-25 08:55:27,682 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 28 states and 35 transitions. [2019-11-25 08:55:27,682 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-25 08:55:27,682 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-25 08:55:27,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 35 transitions. [2019-11-25 08:55:27,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:55:27,683 INFO L688 BuchiCegarLoop]: Abstraction has 28 states and 35 transitions. [2019-11-25 08:55:27,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 35 transitions. [2019-11-25 08:55:27,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2019-11-25 08:55:27,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-25 08:55:27,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2019-11-25 08:55:27,685 INFO L711 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2019-11-25 08:55:27,685 INFO L591 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2019-11-25 08:55:27,685 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-11-25 08:55:27,685 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 34 transitions. [2019-11-25 08:55:27,686 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-25 08:55:27,686 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:55:27,686 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:55:27,686 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:55:27,687 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:55:27,687 INFO L794 eck$LassoCheckResult]: Stem: 918#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 914#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 915#L530 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 922#L530-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~k~0 := 0; 916#L535-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 908#L535-2 main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 909#L535-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 917#L535-2 main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 923#L535-3 assume !(main_~k~0 < main_~array_size~0); 919#L535-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 906#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 907#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 925#L518-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 913#L522-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 924#L522 assume !(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7; 904#L517-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 905#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 900#L518-3 [2019-11-25 08:55:27,687 INFO L796 eck$LassoCheckResult]: Loop: 900#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 901#L518-1 assume !!(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(1 + test_fun_#t~post5, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem4;havoc test_fun_#t~post5;test_fun_#t~post6 := test_fun_~neg~0;test_fun_~neg~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 900#L518-3 [2019-11-25 08:55:27,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:27,687 INFO L82 PathProgramCache]: Analyzing trace with hash 131132986, now seen corresponding path program 3 times [2019-11-25 08:55:27,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:27,687 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855318867] [2019-11-25 08:55:27,688 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:27,712 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:27,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:27,713 INFO L82 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 3 times [2019-11-25 08:55:27,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:27,713 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371774915] [2019-11-25 08:55:27,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:27,720 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:27,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:27,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1464749119, now seen corresponding path program 1 times [2019-11-25 08:55:27,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:27,721 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385299679] [2019-11-25 08:55:27,721 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:27,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:27,747 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:28,048 WARN L192 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 103 [2019-11-25 08:55:28,131 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:55:28,131 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:55:28,132 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:55:28,132 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:55:28,132 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:55:28,132 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:28,132 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:55:28,132 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:55:28,132 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-2.i_Iteration8_Lasso [2019-11-25 08:55:28,132 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:55:28,132 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:55:28,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:28,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:28,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:28,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:28,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:28,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:28,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:28,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:28,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:28,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:28,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:28,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:28,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:28,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:28,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:28,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:28,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:28,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:28,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:28,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:28,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:28,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:28,646 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:55:28,646 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:28,650 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 [2019-11-25 08:55:28,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:28,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:28,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:28,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:28,653 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:28,653 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:28,655 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:28,661 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 [2019-11-25 08:55:28,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:28,662 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:28,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:28,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:28,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:28,663 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:28,663 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:28,664 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:28,668 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 [2019-11-25 08:55:28,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:28,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:28,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:28,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:28,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:28,670 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:28,670 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:28,671 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:28,675 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 [2019-11-25 08:55:28,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:28,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:28,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:28,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:28,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:28,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:28,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:28,679 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:28,685 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 [2019-11-25 08:55:28,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:28,686 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:28,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:28,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:28,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:28,687 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:28,687 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:28,688 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:28,692 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 [2019-11-25 08:55:28,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:28,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:28,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:28,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:28,695 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:28,695 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:28,698 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:28,703 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 [2019-11-25 08:55:28,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:28,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:28,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:28,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:28,706 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:28,706 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:28,709 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:28,713 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 [2019-11-25 08:55:28,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:28,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:28,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:28,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:28,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:28,715 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:28,715 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:28,716 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:28,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:28,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:28,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:28,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:28,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:28,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:28,723 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:28,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:28,724 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:28,728 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 [2019-11-25 08:55:28,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:28,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:28,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:28,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:28,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:28,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:28,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:28,732 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:28,738 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 [2019-11-25 08:55:28,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:28,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:28,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:28,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:28,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:28,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:28,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:28,742 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:28,752 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 [2019-11-25 08:55:28,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:28,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:28,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:28,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:28,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:28,754 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:28,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:28,755 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:28,761 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 [2019-11-25 08:55:28,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:28,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:28,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:28,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:28,764 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:28,765 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:28,768 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:28,772 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 [2019-11-25 08:55:28,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:28,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:28,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:28,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:28,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:28,774 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:28,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:28,775 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:28,800 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 [2019-11-25 08:55:28,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:28,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:28,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:28,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:28,803 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:28,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:28,807 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:28,813 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 [2019-11-25 08:55:28,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:28,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:28,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:28,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:28,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:28,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:28,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:28,816 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:28,821 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 [2019-11-25 08:55:28,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:28,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:28,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:28,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:28,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:28,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:28,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:28,824 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:28,829 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 [2019-11-25 08:55:28,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:28,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:28,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:28,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:28,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:28,831 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:28,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:28,833 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:28,841 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 [2019-11-25 08:55:28,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:28,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:28,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:28,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:28,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:28,844 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:28,847 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:55:28,858 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 [2019-11-25 08:55:28,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:28,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:28,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:28,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:28,862 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:28,862 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:28,865 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:55:28,871 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 [2019-11-25 08:55:28,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:28,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:28,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:28,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:28,874 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:28,875 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:28,878 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:55:28,884 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 [2019-11-25 08:55:28,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:28,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:28,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:28,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:28,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:28,887 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:28,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:28,889 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:55:28,891 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2019-11-25 08:55:28,891 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:55:28,895 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:55:28,895 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-25 08:55:28,895 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:55:28,895 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_5) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_5 Supporting invariants [] Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:28,917 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-11-25 08:55:28,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-25 08:55:28,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:28,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:55:28,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:28,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:55:28,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:28,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:28,968 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:55:28,968 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 34 transitions. cyclomatic complexity: 13 Second operand 3 states. [2019-11-25 08:55:28,989 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 34 transitions. cyclomatic complexity: 13. Second operand 3 states. Result 37 states and 45 transitions. Complement of second has 7 states. [2019-11-25 08:55:28,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:55:28,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:55:28,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2019-11-25 08:55:28,990 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 17 letters. Loop has 2 letters. [2019-11-25 08:55:28,990 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:28,990 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-25 08:55:29,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:29,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:29,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:55:29,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:29,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:29,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:55:29,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:29,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:29,046 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:55:29,046 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 34 transitions. cyclomatic complexity: 13 Second operand 3 states. [2019-11-25 08:55:29,065 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 34 transitions. cyclomatic complexity: 13. Second operand 3 states. Result 37 states and 45 transitions. Complement of second has 7 states. [2019-11-25 08:55:29,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:55:29,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:55:29,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2019-11-25 08:55:29,066 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 17 letters. Loop has 2 letters. [2019-11-25 08:55:29,066 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:29,066 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-25 08:55:29,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:29,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:55:29,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:29,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:55:29,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:29,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:29,113 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:55:29,114 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 34 transitions. cyclomatic complexity: 13 Second operand 3 states. [2019-11-25 08:55:29,133 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 34 transitions. cyclomatic complexity: 13. Second operand 3 states. Result 48 states and 59 transitions. Complement of second has 6 states. [2019-11-25 08:55:29,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:55:29,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:55:29,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2019-11-25 08:55:29,135 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 17 letters. Loop has 2 letters. [2019-11-25 08:55:29,135 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:29,135 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 19 letters. Loop has 2 letters. [2019-11-25 08:55:29,135 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:29,135 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 17 letters. Loop has 4 letters. [2019-11-25 08:55:29,136 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:29,136 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 59 transitions. [2019-11-25 08:55:29,137 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:55:29,138 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 38 states and 48 transitions. [2019-11-25 08:55:29,138 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-11-25 08:55:29,138 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-25 08:55:29,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 48 transitions. [2019-11-25 08:55:29,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:55:29,139 INFO L688 BuchiCegarLoop]: Abstraction has 38 states and 48 transitions. [2019-11-25 08:55:29,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 48 transitions. [2019-11-25 08:55:29,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 30. [2019-11-25 08:55:29,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-25 08:55:29,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2019-11-25 08:55:29,141 INFO L711 BuchiCegarLoop]: Abstraction has 30 states and 38 transitions. [2019-11-25 08:55:29,141 INFO L591 BuchiCegarLoop]: Abstraction has 30 states and 38 transitions. [2019-11-25 08:55:29,142 INFO L424 BuchiCegarLoop]: ======== Iteration 9============ [2019-11-25 08:55:29,142 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 38 transitions. [2019-11-25 08:55:29,142 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:55:29,142 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:55:29,142 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:55:29,143 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:55:29,143 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:55:29,143 INFO L794 eck$LassoCheckResult]: Stem: 1305#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1301#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 1302#L530 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 1309#L530-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~k~0 := 0; 1303#L535-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 1295#L535-2 main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 1296#L535-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet14, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet14; 1304#L535-2 main_#t~post13 := main_~k~0;main_~k~0 := 1 + main_#t~post13;havoc main_#t~post13; 1312#L535-3 assume !(main_~k~0 < main_~array_size~0); 1306#L535-4 test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 1293#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 1288#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 1290#L518-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 1300#L522-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 1313#L522 assume !(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7; 1291#L517-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 1292#L517-3 assume !!(test_fun_~i~0 < test_fun_~N); 1285#L518-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 1287#L518-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 1298#L522-2 [2019-11-25 08:55:29,143 INFO L796 eck$LassoCheckResult]: Loop: 1298#L522-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 1297#L522 assume !!(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7;call test_fun_#t~mem8 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post9 := test_fun_#t~mem8;call write~int(test_fun_#t~post9 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem8;havoc test_fun_#t~post9;test_fun_#t~post10 := test_fun_~pos~0;test_fun_~pos~0 := 1 + test_fun_#t~post10;havoc test_fun_#t~post10; 1298#L522-2 [2019-11-25 08:55:29,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:29,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1464749117, now seen corresponding path program 4 times [2019-11-25 08:55:29,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:29,144 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906696218] [2019-11-25 08:55:29,144 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:29,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:29,164 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:29,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:29,165 INFO L82 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 3 times [2019-11-25 08:55:29,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:29,165 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046935326] [2019-11-25 08:55:29,165 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:29,172 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:29,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:29,172 INFO L82 PathProgramCache]: Analyzing trace with hash -1125370110, now seen corresponding path program 1 times [2019-11-25 08:55:29,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:29,172 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016911137] [2019-11-25 08:55:29,173 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:29,205 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:29,543 WARN L192 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 114 [2019-11-25 08:55:29,624 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:55:29,624 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:55:29,624 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:55:29,624 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:55:29,624 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:55:29,624 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:29,624 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:55:29,624 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:55:29,624 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-2.i_Iteration9_Lasso [2019-11-25 08:55:29,625 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:55:29,625 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:55:29,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:29,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:29,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:29,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:29,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:29,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:29,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:29,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:29,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:29,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:29,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:29,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:29,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:29,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:29,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:29,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:29,830 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 59 [2019-11-25 08:55:29,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:29,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:29,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:29,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:29,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:29,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:30,220 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:55:30,220 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:30,223 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 [2019-11-25 08:55:30,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:30,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:30,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:30,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:30,226 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:30,226 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:30,228 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:30,233 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 [2019-11-25 08:55:30,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:30,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:30,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:30,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:30,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:30,235 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:30,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:30,236 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:30,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:30,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:30,241 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:30,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:30,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:30,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:30,242 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:30,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:30,243 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:30,247 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 [2019-11-25 08:55:30,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:30,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:30,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:30,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:30,250 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:30,251 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:30,255 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:30,259 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 [2019-11-25 08:55:30,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:30,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:30,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:30,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:30,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:30,261 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:30,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:30,262 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:30,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:30,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:30,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:30,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:30,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:30,269 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:30,269 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:30,271 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 73 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 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:30,276 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 [2019-11-25 08:55:30,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:30,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:30,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:30,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:30,278 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:30,278 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:30,281 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:30,289 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 [2019-11-25 08:55:30,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:30,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:30,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:30,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:30,293 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:30,293 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:30,296 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:30,300 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 [2019-11-25 08:55:30,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:30,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:30,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:30,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:30,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:30,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:30,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:30,304 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:30,308 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 [2019-11-25 08:55:30,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:30,309 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:30,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:30,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:30,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:30,310 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:30,310 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:30,311 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:30,315 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 [2019-11-25 08:55:30,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:30,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:30,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:30,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:30,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:30,317 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:30,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:30,318 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:30,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:30,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:30,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:30,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:30,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:30,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:30,324 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:30,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:30,325 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:30,330 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 [2019-11-25 08:55:30,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:30,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:30,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:30,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:30,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:30,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:30,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:30,334 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:30,338 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 [2019-11-25 08:55:30,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:30,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:30,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:30,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:30,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:30,340 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:30,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:30,341 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:30,345 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 [2019-11-25 08:55:30,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:30,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:30,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:30,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:30,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:30,348 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:30,351 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:30,355 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 [2019-11-25 08:55:30,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:30,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:30,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:30,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:30,360 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:30,360 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:30,366 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:55:30,380 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2019-11-25 08:55:30,380 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab8c9658-5f8e-4c7c-9922-d507ff38ed9e/bin/uautomizer/z3 Starting monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:30,383 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:55:30,385 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:55:30,385 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:55:30,385 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_6) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_6 Supporting invariants [] [2019-11-25 08:55:30,401 INFO L297 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2019-11-25 08:55:30,402 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-25 08:55:30,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:30,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:55:30,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:30,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:55:30,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:30,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:30,464 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:55:30,464 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 14 Second operand 3 states. [2019-11-25 08:55:30,486 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 14. Second operand 3 states. Result 34 states and 42 transitions. Complement of second has 7 states. [2019-11-25 08:55:30,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:55:30,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:55:30,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2019-11-25 08:55:30,487 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 19 letters. Loop has 2 letters. [2019-11-25 08:55:30,487 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:30,487 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-25 08:55:30,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:30,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:55:30,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:30,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:55:30,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:30,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:30,534 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:55:30,534 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 14 Second operand 3 states. [2019-11-25 08:55:30,551 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 14. Second operand 3 states. Result 34 states and 42 transitions. Complement of second has 7 states. [2019-11-25 08:55:30,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:55:30,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:55:30,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2019-11-25 08:55:30,552 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 19 letters. Loop has 2 letters. [2019-11-25 08:55:30,552 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:30,552 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-25 08:55:30,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:30,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:55:30,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:30,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:55:30,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:30,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:30,593 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:55:30,593 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 14 Second operand 3 states. [2019-11-25 08:55:30,606 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 14. Second operand 3 states. Result 36 states and 46 transitions. Complement of second has 6 states. [2019-11-25 08:55:30,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:55:30,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:55:30,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2019-11-25 08:55:30,607 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 19 letters. Loop has 2 letters. [2019-11-25 08:55:30,608 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:30,608 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 21 letters. Loop has 2 letters. [2019-11-25 08:55:30,608 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:30,608 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 19 letters. Loop has 4 letters. [2019-11-25 08:55:30,608 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:30,608 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 46 transitions. [2019-11-25 08:55:30,609 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:55:30,609 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 0 states and 0 transitions. [2019-11-25 08:55:30,609 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:55:30,609 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:55:30,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:55:30,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:55:30,610 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:55:30,610 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:55:30,610 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:55:30,610 INFO L424 BuchiCegarLoop]: ======== Iteration 10============ [2019-11-25 08:55:30,610 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:55:30,610 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:55:30,610 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:55:30,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:55:30 BoogieIcfgContainer [2019-11-25 08:55:30,616 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:55:30,616 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:55:30,616 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:55:30,616 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:55:30,617 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:55:20" (3/4) ... [2019-11-25 08:55:30,620 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:55:30,621 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:55:30,622 INFO L168 Benchmark]: Toolchain (without parser) took 11633.40 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 304.1 MB). Free memory was 944.7 MB in the beginning and 1.3 GB in the end (delta: -316.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:55:30,622 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:55:30,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 533.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:30,623 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.82 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. [2019-11-25 08:55:30,624 INFO L168 Benchmark]: Boogie Preprocessor took 47.26 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. [2019-11-25 08:55:30,624 INFO L168 Benchmark]: RCFGBuilder took 400.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:30,624 INFO L168 Benchmark]: BuchiAutomizer took 10604.27 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 167.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -169.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:55:30,625 INFO L168 Benchmark]: Witness Printer took 4.75 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:55:30,626 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 533.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.82 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 47.26 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 400.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 10604.27 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 167.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -169.3 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 4.75 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 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 - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 9 terminating modules (2 trivial, 5 deterministic, 2 nondeterministic). One deterministic module has affine ranking function -1 * k + array_size and consists of 5 locations. One deterministic module has affine ranking function N + -1 * i and consists of 3 locations. One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[numbers][numbers] and consists of 5 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[numbers][numbers + k * 4 + -4] and consists of 8 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[a][a + i * 4] and consists of 4 locations. One nondeterministic module has affine ranking function -1 * unknown-#memory_int-unknown[a][i * 4 + a] and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[a][i * 4 + a] and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 14 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.5s and 10 iterations. TraceHistogramMax:2. Analysis of lassos took 9.1s. Construction of modules took 0.2s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 6. Automata minimization 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 32 StatesRemovedByMinimization, 7 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 36 states and ocurred in iteration 5. Nontrivial modules had stage [5, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 153 SDtfs, 236 SDslu, 115 SDs, 0 SdLazy, 265 SolverSat, 57 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU2 SILI0 SILT0 lasso7 LassoPreprocessingBenchmarks: Lassos: inital175 mio100 ax110 hnf99 lsp82 ukn80 mio100 lsp58 div100 bol100 ite100 ukn100 eq169 hnf91 smp91 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 12ms 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...