./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Toulouse-BranchesToLoop-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_654da8d7-81b1-4650-b476-1f7e2054e829/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Toulouse-BranchesToLoop-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 00af3b6676c9262f2d1d8ee1ad0dddc75df98c14 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 08:53:43,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:53:43,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:53:43,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:53:43,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:53:43,700 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:53:43,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:53:43,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:53:43,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:53:43,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:53:43,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:53:43,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:53:43,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:53:43,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:53:43,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:53:43,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:53:43,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:53:43,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:53:43,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:53:43,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:53:43,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:53:43,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:53:43,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:53:43,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:53:43,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:53:43,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:53:43,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:53:43,738 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:53:43,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:53:43,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:53:43,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:53:43,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:53:43,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:53:43,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:53:43,744 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:53:43,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:53:43,745 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:53:43,745 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:53:43,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:53:43,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:53:43,748 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:53:43,749 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-25 08:53:43,768 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:53:43,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:53:43,770 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:53:43,770 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:53:43,771 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:53:43,771 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:53:43,771 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:53:43,771 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:53:43,771 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:53:43,772 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:53:43,773 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:53:43,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:53:43,773 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:53:43,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:53:43,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:53:43,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:53:43,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:53:43,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:53:43,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:53:43,775 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:53:43,775 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:53:43,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:53:43,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:53:43,775 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:53:43,776 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:53:43,776 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:53:43,776 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:53:43,777 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:53:43,777 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:53:43,778 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_654da8d7-81b1-4650-b476-1f7e2054e829/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00af3b6676c9262f2d1d8ee1ad0dddc75df98c14 [2019-11-25 08:53:43,908 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:53:43,918 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:53:43,921 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:53:43,922 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:53:43,922 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:53:43,923 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/Toulouse-BranchesToLoop-alloca.i [2019-11-25 08:53:43,970 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/bin/uautomizer/data/ab4833cf4/06f2e5a913134340ad67f54f10e6460d/FLAG863faaafe [2019-11-25 08:53:44,390 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:53:44,391 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/sv-benchmarks/c/termination-memory-alloca/Toulouse-BranchesToLoop-alloca.i [2019-11-25 08:53:44,404 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/bin/uautomizer/data/ab4833cf4/06f2e5a913134340ad67f54f10e6460d/FLAG863faaafe [2019-11-25 08:53:44,415 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/bin/uautomizer/data/ab4833cf4/06f2e5a913134340ad67f54f10e6460d [2019-11-25 08:53:44,417 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:53:44,418 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:53:44,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:53:44,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:53:44,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:53:44,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:53:44" (1/1) ... [2019-11-25 08:53:44,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c7a3b54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:44, skipping insertion in model container [2019-11-25 08:53:44,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:53:44" (1/1) ... [2019-11-25 08:53:44,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:53:44,462 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:53:44,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:53:44,806 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:53:44,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:53:44,927 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:53:44,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:44 WrapperNode [2019-11-25 08:53:44,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:53:44,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:53:44,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:53:44,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:53:44,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:44" (1/1) ... [2019-11-25 08:53:44,959 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:44" (1/1) ... [2019-11-25 08:53:44,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:53:44,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:53:44,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:53:44,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:53:44,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:44" (1/1) ... [2019-11-25 08:53:44,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:44" (1/1) ... [2019-11-25 08:53:44,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:44" (1/1) ... [2019-11-25 08:53:44,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:44" (1/1) ... [2019-11-25 08:53:44,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:44" (1/1) ... [2019-11-25 08:53:44,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:44" (1/1) ... [2019-11-25 08:53:44,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:44" (1/1) ... [2019-11-25 08:53:44,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:53:44,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:53:44,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:53:44,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:53:44,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/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 08:53:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:53:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:53:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:53:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:53:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:53:45,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:53:45,353 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:53:45,353 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-25 08:53:45,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:45 BoogieIcfgContainer [2019-11-25 08:53:45,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:53:45,355 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:53:45,355 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:53:45,357 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:53:45,358 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:53:45,358 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:53:44" (1/3) ... [2019-11-25 08:53:45,359 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@39fb9f68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:53:45, skipping insertion in model container [2019-11-25 08:53:45,359 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:53:45,359 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:44" (2/3) ... [2019-11-25 08:53:45,360 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@39fb9f68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:53:45, skipping insertion in model container [2019-11-25 08:53:45,360 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:53:45,360 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:45" (3/3) ... [2019-11-25 08:53:45,362 INFO L371 chiAutomizerObserver]: Analyzing ICFG Toulouse-BranchesToLoop-alloca.i [2019-11-25 08:53:45,410 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:53:45,410 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:53:45,411 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:53:45,411 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:53:45,411 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:53:45,411 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:53:45,411 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:53:45,412 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:53:45,424 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-11-25 08:53:45,440 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:53:45,441 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:53:45,441 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:53:45,445 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-25 08:53:45,445 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:53:45,445 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:53:45,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-11-25 08:53:45,446 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:53:45,446 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:53:45,447 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:53:45,447 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-25 08:53:45,447 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:53:45,452 INFO L794 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem14, main_#t~mem8, main_#t~mem9, main_#t~short10, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~m~0.base, main_~m~0.offset, main_~n~0.base, main_~n~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~m~0.base, main_~m~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~n~0.base, main_~n~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset; 4#L553true assume !(0 != main_#t~nondet7);havoc main_#t~nondet7;call write~int(-1, main_~x~0.base, main_~x~0.offset, 4); 12#L558-4true [2019-11-25 08:53:45,453 INFO L796 eck$LassoCheckResult]: Loop: 12#L558-4true call main_#t~mem8 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short10 := main_#t~mem8 < 100; 6#L558true assume !main_#t~short10; 9#L558-2true assume !!main_#t~short10;havoc main_#t~mem8;havoc main_#t~short10;havoc main_#t~mem9;call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem12 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem11 + main_#t~mem12, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem11;havoc main_#t~mem12;call main_#t~mem13 := read~int(main_~z~0.base, main_~z~0.offset, 4);call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13 - main_#t~mem14, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13;havoc main_#t~mem14; 12#L558-4true [2019-11-25 08:53:45,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:45,457 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-11-25 08:53:45,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:45,463 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338705190] [2019-11-25 08:53:45,463 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:45,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:45,602 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:45,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:45,603 INFO L82 PathProgramCache]: Analyzing trace with hash 41873, now seen corresponding path program 1 times [2019-11-25 08:53:45,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:45,604 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776851941] [2019-11-25 08:53:45,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:45,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:45,660 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 08:53:45,660 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776851941] [2019-11-25 08:53:45,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:45,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:53:45,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854325352] [2019-11-25 08:53:45,666 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-25 08:53:45,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:45,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:53:45,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:53:45,680 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 3 states. [2019-11-25 08:53:45,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:45,717 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2019-11-25 08:53:45,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:53:45,719 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2019-11-25 08:53:45,720 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:53:45,723 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 6 states and 7 transitions. [2019-11-25 08:53:45,724 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2019-11-25 08:53:45,724 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2019-11-25 08:53:45,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7 transitions. [2019-11-25 08:53:45,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:53:45,725 INFO L688 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2019-11-25 08:53:45,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 7 transitions. [2019-11-25 08:53:45,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-11-25 08:53:45,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-25 08:53:45,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2019-11-25 08:53:45,753 INFO L711 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2019-11-25 08:53:45,753 INFO L591 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2019-11-25 08:53:45,753 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:53:45,753 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2019-11-25 08:53:45,754 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:53:45,754 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:53:45,754 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:53:45,755 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-25 08:53:45,755 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:53:45,755 INFO L794 eck$LassoCheckResult]: Stem: 35#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 30#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem14, main_#t~mem8, main_#t~mem9, main_#t~short10, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~m~0.base, main_~m~0.offset, main_~n~0.base, main_~n~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~m~0.base, main_~m~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~n~0.base, main_~n~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset; 31#L553 assume !(0 != main_#t~nondet7);havoc main_#t~nondet7;call write~int(-1, main_~x~0.base, main_~x~0.offset, 4); 32#L558-4 [2019-11-25 08:53:45,755 INFO L796 eck$LassoCheckResult]: Loop: 32#L558-4 call main_#t~mem8 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short10 := main_#t~mem8 < 100; 33#L558 assume main_#t~short10;call main_#t~mem9 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short10 := main_#t~mem9 < 100; 34#L558-2 assume !!main_#t~short10;havoc main_#t~mem8;havoc main_#t~short10;havoc main_#t~mem9;call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem12 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem11 + main_#t~mem12, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem11;havoc main_#t~mem12;call main_#t~mem13 := read~int(main_~z~0.base, main_~z~0.offset, 4);call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13 - main_#t~mem14, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13;havoc main_#t~mem14; 32#L558-4 [2019-11-25 08:53:45,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:45,755 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2019-11-25 08:53:45,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:45,756 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064202197] [2019-11-25 08:53:45,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:45,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:45,806 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:45,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:45,807 INFO L82 PathProgramCache]: Analyzing trace with hash 41811, now seen corresponding path program 1 times [2019-11-25 08:53:45,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:45,807 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242730185] [2019-11-25 08:53:45,808 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:45,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:45,871 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:45,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:45,872 INFO L82 PathProgramCache]: Analyzing trace with hash 889571280, now seen corresponding path program 1 times [2019-11-25 08:53:45,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:45,872 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85227373] [2019-11-25 08:53:45,872 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:45,994 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:46,207 WARN L192 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2019-11-25 08:53:46,810 WARN L192 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 91 [2019-11-25 08:53:47,019 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-11-25 08:53:47,030 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:53:47,031 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:53:47,031 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:53:47,032 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:53:47,032 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:53:47,032 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:47,032 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:53:47,032 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:53:47,033 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop-alloca.i_Iteration2_Lasso [2019-11-25 08:53:47,033 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:53:47,033 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:53:47,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:47,059 INFO 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 08:53:47,062 INFO 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 08:53:47,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:47,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:47,692 WARN L192 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2019-11-25 08:53:47,867 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2019-11-25 08:53:47,869 INFO 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 08:53:47,873 INFO 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 08:53:47,876 INFO 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 08:53:47,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:47,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:47,883 INFO 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 08:53:47,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:47,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:53:47,898 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 08:53:47,901 INFO 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 08:53:47,903 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 08:53:47,910 INFO 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 08:53:48,488 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:53:48,493 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:48,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 08:53:48,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:48,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:48,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:48,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:48,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:48,520 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:48,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:48,522 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:48,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 08:53:48,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:48,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:48,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:48,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:48,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:48,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:48,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:48,556 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/bin/uautomizer/z3 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:48,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 08:53:48,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:48,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:48,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:48,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:48,575 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:48,575 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:53:48,580 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/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 08:53:48,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 08:53:48,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:48,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:48,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:48,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:48,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:48,594 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:53:48,597 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/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 08:53:48,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 08:53:48,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:48,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:48,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:48,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:48,623 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:48,623 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:53:48,640 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:48,661 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 08:53:48,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:48,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:48,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:48,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:48,668 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:48,668 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:48,675 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:48,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 08:53:48,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:48,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:48,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:48,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:48,704 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:48,704 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:48,711 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:48,726 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:48,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:48,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:48,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:48,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:48,735 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:48,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:53:48,744 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:53:48,793 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-11-25 08:53:48,793 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/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 08:53:48,805 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:53:48,822 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-25 08:53:48,822 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:53:48,823 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_1 + 199 Supporting invariants [-1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1 - 1 >= 0] [2019-11-25 08:53:49,056 INFO L297 tatePredicateManager]: 36 out of 40 supporting invariants were superfluous and have been removed [2019-11-25 08:53:49,071 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-25 08:53:49,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:49,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-25 08:53:49,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:53:49,170 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:53:49,171 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 39 [2019-11-25 08:53:49,172 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 08:53:49,187 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:53:49,188 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 08:53:49,188 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:33, output treesize:13 [2019-11-25 08:53:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:49,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-25 08:53:49,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:53:49,222 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:53:49,280 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 08:53:49,283 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 08:53:49,284 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand 5 states. [2019-11-25 08:53:49,361 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2. Second operand 5 states. Result 12 states and 14 transitions. Complement of second has 7 states. [2019-11-25 08:53:49,362 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 08:53:49,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-25 08:53:49,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2019-11-25 08:53:49,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 3 letters. Loop has 3 letters. [2019-11-25 08:53:49,364 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:53:49,365 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 6 letters. Loop has 3 letters. [2019-11-25 08:53:49,365 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:53:49,365 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 3 letters. Loop has 6 letters. [2019-11-25 08:53:49,365 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:53:49,366 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2019-11-25 08:53:49,366 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:53:49,367 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 6 states and 6 transitions. [2019-11-25 08:53:49,367 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2019-11-25 08:53:49,367 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2019-11-25 08:53:49,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6 transitions. [2019-11-25 08:53:49,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:53:49,368 INFO L688 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2019-11-25 08:53:49,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 6 transitions. [2019-11-25 08:53:49,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-11-25 08:53:49,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-25 08:53:49,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2019-11-25 08:53:49,369 INFO L711 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2019-11-25 08:53:49,369 INFO L591 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2019-11-25 08:53:49,369 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-25 08:53:49,370 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 6 transitions. [2019-11-25 08:53:49,370 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:53:49,370 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:53:49,370 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:53:49,371 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-25 08:53:49,371 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:53:49,371 INFO L794 eck$LassoCheckResult]: Stem: 262#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 257#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem14, main_#t~mem8, main_#t~mem9, main_#t~short10, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~m~0.base, main_~m~0.offset, main_~n~0.base, main_~n~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~m~0.base, main_~m~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~n~0.base, main_~n~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset; 258#L553 assume 0 != main_#t~nondet7;havoc main_#t~nondet7;call write~int(1, main_~x~0.base, main_~x~0.offset, 4); 259#L558-4 [2019-11-25 08:53:49,371 INFO L796 eck$LassoCheckResult]: Loop: 259#L558-4 call main_#t~mem8 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short10 := main_#t~mem8 < 100; 260#L558 assume main_#t~short10;call main_#t~mem9 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short10 := main_#t~mem9 < 100; 261#L558-2 assume !!main_#t~short10;havoc main_#t~mem8;havoc main_#t~short10;havoc main_#t~mem9;call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem12 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem11 + main_#t~mem12, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem11;havoc main_#t~mem12;call main_#t~mem13 := read~int(main_~z~0.base, main_~z~0.offset, 4);call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13 - main_#t~mem14, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13;havoc main_#t~mem14; 259#L558-4 [2019-11-25 08:53:49,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:49,371 INFO L82 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2019-11-25 08:53:49,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:49,372 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314727451] [2019-11-25 08:53:49,372 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:49,396 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:49,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:49,397 INFO L82 PathProgramCache]: Analyzing trace with hash 41811, now seen corresponding path program 2 times [2019-11-25 08:53:49,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:49,398 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997201106] [2019-11-25 08:53:49,398 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:49,457 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:49,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:49,460 INFO L82 PathProgramCache]: Analyzing trace with hash 889511698, now seen corresponding path program 1 times [2019-11-25 08:53:49,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:49,461 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496736540] [2019-11-25 08:53:49,461 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:49,537 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:49,700 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2019-11-25 08:53:50,309 WARN L192 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 91 [2019-11-25 08:53:50,446 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-11-25 08:53:50,461 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:53:50,461 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:53:50,461 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:53:50,462 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:53:50,462 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:53:50,462 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:50,462 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:53:50,462 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:53:50,462 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop-alloca.i_Iteration3_Lasso [2019-11-25 08:53:50,462 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:53:50,462 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:53:50,466 INFO 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 08:53:50,476 INFO 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 08:53:50,484 INFO 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 08:53:50,489 INFO 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 08:53:50,493 INFO 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 08:53:50,495 INFO 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 08:53:50,497 INFO 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 08:53:50,500 INFO 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 08:53:50,502 INFO 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 08:53:50,504 INFO 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 08:53:50,506 INFO 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 08:53:50,507 INFO 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 08:53:50,510 INFO 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 08:53:50,518 INFO 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 08:53:50,519 INFO 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 08:53:50,524 INFO 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 08:53:50,529 INFO 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 08:53:50,531 INFO 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 08:53:50,917 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2019-11-25 08:53:51,047 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2019-11-25 08:53:51,466 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:53:51,467 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:51,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 08:53:51,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:51,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:51,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:51,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:51,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:51,477 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:51,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:51,478 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:51,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:53:51,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:51,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:51,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:51,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:51,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:51,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:51,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:51,490 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/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 08:53:51,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 08:53:51,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:51,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:51,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:51,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:51,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:51,503 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:51,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:51,508 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:51,522 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 08:53:51,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:51,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:51,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:51,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:51,526 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:51,527 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:51,530 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/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 08:53:51,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 08:53:51,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:51,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:51,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:51,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:51,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:51,547 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:51,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:51,549 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/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 08:53:51,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 08:53:51,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:51,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:51,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:51,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:51,564 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:51,564 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:53:51,567 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/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 08:53:51,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 08:53:51,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:51,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:51,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:51,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:51,589 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:51,589 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:53:51,596 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:51,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 08:53:51,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:51,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:51,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:51,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:51,613 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:51,613 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:51,629 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/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 08:53:51,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 08:53:51,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:51,639 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:51,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:51,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:51,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:51,641 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:51,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:51,642 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/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 08:53:51,648 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 08:53:51,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:51,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:51,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:51,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:51,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:51,650 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:51,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:51,651 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/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 08:53:51,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 08:53:51,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:51,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:51,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:51,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:51,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:51,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:51,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:51,663 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/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 08:53:51,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:53:51,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:51,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:51,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:51,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:51,679 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:51,679 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:53:51,682 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:51,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 08:53:51,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:51,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:51,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:51,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:51,694 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:51,694 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:53:51,699 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:51,709 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 08:53:51,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:51,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:51,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:51,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:51,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:51,712 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:51,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:51,714 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:51,719 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 08:53:51,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:51,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:51,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:51,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:51,723 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:51,723 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:51,727 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/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 08:53:51,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 08:53:51,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:51,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:53:51,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:51,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:51,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:51,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:53:51,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:53:51,735 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:51,739 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 08:53:51,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:51,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:51,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:51,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:51,742 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:51,742 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:53:51,746 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:51,763 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 08:53:51,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:51,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:51,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:51,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:51,769 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:51,769 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:51,775 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:51,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 08:53:51,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:53:51,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:53:51,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:53:51,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:53:51,790 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:53:51,790 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:51,799 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:53:51,813 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-11-25 08:53:51,813 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_654da8d7-81b1-4650-b476-1f7e2054e829/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:53:51,821 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:53:51,825 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-25 08:53:51,825 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:53:51,825 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_2) = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_2 + 199 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_2 - 1 >= 0] [2019-11-25 08:53:52,021 INFO L297 tatePredicateManager]: 36 out of 40 supporting invariants were superfluous and have been removed [2019-11-25 08:53:52,030 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-25 08:53:52,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:52,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:52,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-25 08:53:52,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:53:52,101 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:53:52,102 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 39 [2019-11-25 08:53:52,102 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 08:53:52,123 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:53:52,124 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 08:53:52,124 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:33, output treesize:13 [2019-11-25 08:53:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:52,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-25 08:53:52,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:53:52,162 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:53:52,233 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 08:53:52,233 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-11-25 08:53:52,234 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1 Second operand 5 states. [2019-11-25 08:53:52,294 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1. Second operand 5 states. Result 9 states and 10 transitions. Complement of second has 7 states. [2019-11-25 08:53:52,294 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 08:53:52,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-25 08:53:52,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. [2019-11-25 08:53:52,295 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 3 letters. Loop has 3 letters. [2019-11-25 08:53:52,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:53:52,295 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 6 letters. Loop has 3 letters. [2019-11-25 08:53:52,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:53:52,295 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 3 letters. Loop has 6 letters. [2019-11-25 08:53:52,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:53:52,295 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2019-11-25 08:53:52,296 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:53:52,296 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2019-11-25 08:53:52,296 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:53:52,296 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:53:52,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:53:52,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:53:52,296 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:53:52,296 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:53:52,297 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:53:52,297 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-25 08:53:52,297 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:53:52,297 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:53:52,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:53:52,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:53:52 BoogieIcfgContainer [2019-11-25 08:53:52,303 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:53:52,304 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:53:52,304 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:53:52,304 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:53:52,305 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:45" (3/4) ... [2019-11-25 08:53:52,308 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:53:52,308 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:53:52,309 INFO L168 Benchmark]: Toolchain (without parser) took 7891.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -120.3 MB). Peak memory consumption was 64.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:52,310 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 08:53:52,313 INFO L168 Benchmark]: CACSL2BoogieTranslator took 509.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -174.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:52,314 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:53:52,314 INFO L168 Benchmark]: Boogie Preprocessor took 21.87 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 08:53:52,315 INFO L168 Benchmark]: RCFGBuilder took 356.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:52,316 INFO L168 Benchmark]: BuchiAutomizer took 6948.79 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 49.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.4 MB). Peak memory consumption was 80.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:52,316 INFO L168 Benchmark]: Witness Printer took 4.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:53:52,324 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 509.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -174.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 356.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6948.79 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 49.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.4 MB). Peak memory consumption was 80.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[z][z] + 199 and consists of 5 locations. One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[y][y] + 199 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 6.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 15 SDtfs, 13 SDslu, 8 SDs, 0 SdLazy, 24 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital352 mio100 ax105 hnf100 lsp89 ukn55 mio100 lsp37 div100 bol100 ite100 ukn100 eq194 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms 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...