./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/c.03-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/c.03-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/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 4eacdd25ec766896c06b3ec61ff2eab4c80478ff ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:26:53,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:26:53,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:26:53,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:26:53,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:26:53,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:26:53,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:26:53,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:26:53,470 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:26:53,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:26:53,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:26:53,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:26:53,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:26:53,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:26:53,480 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:26:53,481 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:26:53,482 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:26:53,483 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:26:53,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:26:53,489 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:26:53,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:26:53,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:26:53,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:26:53,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:26:53,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:26:53,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:26:53,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:26:53,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:26:53,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:26:53,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:26:53,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:26:53,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:26:53,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:26:53,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:26:53,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:26:53,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:26:53,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:26:53,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:26:53,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:26:53,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:26:53,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:26:53,512 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 10:26:53,536 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:26:53,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:26:53,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:26:53,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:26:53,538 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:26:53,538 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 10:26:53,538 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 10:26:53,538 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 10:26:53,538 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 10:26:53,539 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 10:26:53,539 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 10:26:53,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:26:53,539 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 10:26:53,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:26:53,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:26:53,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 10:26:53,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 10:26:53,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 10:26:53,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:26:53,540 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 10:26:53,540 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:26:53,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 10:26:53,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:26:53,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:26:53,541 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 10:26:53,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:26:53,542 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 10:26:53,542 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 10:26:53,543 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 10:26:53,543 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_c9dfdb30-9237-4311-a565-8d1a0ac258f3/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 -> 4eacdd25ec766896c06b3ec61ff2eab4c80478ff [2019-11-20 10:26:53,678 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:26:53,688 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:26:53,694 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:26:53,701 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:26:53,701 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:26:53,702 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/c.03-alloca-1.i [2019-11-20 10:26:53,751 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/data/b3e464293/43ac04cefc13458fba32576923fcd145/FLAGc4ade6925 [2019-11-20 10:26:54,182 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:26:54,183 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/sv-benchmarks/c/termination-memory-alloca/c.03-alloca-1.i [2019-11-20 10:26:54,198 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/data/b3e464293/43ac04cefc13458fba32576923fcd145/FLAGc4ade6925 [2019-11-20 10:26:54,214 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/data/b3e464293/43ac04cefc13458fba32576923fcd145 [2019-11-20 10:26:54,216 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:26:54,217 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:26:54,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:26:54,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:26:54,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:26:54,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:26:54" (1/1) ... [2019-11-20 10:26:54,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b5c8771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:26:54, skipping insertion in model container [2019-11-20 10:26:54,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:26:54" (1/1) ... [2019-11-20 10:26:54,233 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:26:54,271 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:26:54,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:26:54,646 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:26:54,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:26:54,759 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:26:54,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:26:54 WrapperNode [2019-11-20 10:26:54,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:26:54,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:26:54,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:26:54,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:26:54,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:26:54" (1/1) ... [2019-11-20 10:26:54,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:26:54" (1/1) ... [2019-11-20 10:26:54,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:26:54,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:26:54,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:26:54,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:26:54,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:26:54" (1/1) ... [2019-11-20 10:26:54,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:26:54" (1/1) ... [2019-11-20 10:26:54,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:26:54" (1/1) ... [2019-11-20 10:26:54,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:26:54" (1/1) ... [2019-11-20 10:26:54,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:26:54" (1/1) ... [2019-11-20 10:26:54,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:26:54" (1/1) ... [2019-11-20 10:26:54,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:26:54" (1/1) ... [2019-11-20 10:26:54,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:26:54,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:26:54,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:26:54,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:26:54,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:26:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:26:54,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 10:26:54,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 10:26:54,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 10:26:54,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 10:26:54,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:26:54,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:26:55,225 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:26:55,225 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 10:26:55,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:26:55 BoogieIcfgContainer [2019-11-20 10:26:55,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:26:55,227 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 10:26:55,227 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 10:26:55,231 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 10:26:55,232 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:26:55,232 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:26:54" (1/3) ... [2019-11-20 10:26:55,233 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c0d3b3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:26:55, skipping insertion in model container [2019-11-20 10:26:55,233 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:26:55,233 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:26:54" (2/3) ... [2019-11-20 10:26:55,233 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c0d3b3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:26:55, skipping insertion in model container [2019-11-20 10:26:55,233 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:26:55,234 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:26:55" (3/3) ... [2019-11-20 10:26:55,235 INFO L371 chiAutomizerObserver]: Analyzing ICFG c.03-alloca-1.i [2019-11-20 10:26:55,279 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 10:26:55,280 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 10:26:55,280 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 10:26:55,281 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:26:55,281 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:26:55,281 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 10:26:55,281 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:26:55,281 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 10:26:55,293 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-20 10:26:55,312 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 10:26:55,313 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:26:55,313 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:26:55,319 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 10:26:55,319 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 10:26:55,319 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 10:26:55,319 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-20 10:26:55,320 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 10:26:55,321 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:26:55,321 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:26:55,321 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 10:26:55,321 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 10:26:55,327 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~ret18;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet15, main_#t~nondet16, main_#t~nondet17;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem14, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 9#L558-2true [2019-11-20 10:26:55,328 INFO L796 eck$LassoCheckResult]: Loop: 9#L558-2true call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 < test_fun_#t~mem7; 10#L557-1true assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 2147483647; 13#L557-3true assume !!test_fun_#t~short9;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;havoc test_fun_#t~mem8;havoc test_fun_#t~short9;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem11 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 5#L558true assume test_fun_#t~mem10 < test_fun_#t~mem11;havoc test_fun_#t~mem10;havoc test_fun_#t~mem11;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem12, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 9#L558-2true [2019-11-20 10:26:55,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:26:55,332 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-20 10:26:55,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:26:55,340 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819155217] [2019-11-20 10:26:55,340 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:26:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:26:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:26:55,527 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:26:55,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:26:55,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 1 times [2019-11-20 10:26:55,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:26:55,528 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767519417] [2019-11-20 10:26:55,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:26:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:26:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:26:55,559 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:26:55,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:26:55,561 INFO L82 PathProgramCache]: Analyzing trace with hash 889569449, now seen corresponding path program 1 times [2019-11-20 10:26:55,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:26:55,561 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838722751] [2019-11-20 10:26:55,561 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:26:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:26:55,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:26:55,655 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:26:55,907 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-11-20 10:26:56,919 WARN L191 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 106 [2019-11-20 10:26:57,240 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-11-20 10:26:57,253 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 10:26:57,254 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 10:26:57,254 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 10:26:57,254 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 10:26:57,255 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 10:26:57,255 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:26:57,255 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 10:26:57,255 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 10:26:57,256 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.03-alloca-1.i_Iteration1_Lasso [2019-11-20 10:26:57,256 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 10:26:57,256 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 10:26:57,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:26:57,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:26:57,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:26:57,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:26:57,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:26:57,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:26:57,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:26:57,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:26:57,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:26:57,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:26:57,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:26:57,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:26:57,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:26:57,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:26:57,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:26:57,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:26:58,072 WARN L191 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 91 [2019-11-20 10:26:58,259 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-11-20 10:26:58,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:26:58,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:26:58,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:26:58,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:26:58,540 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2019-11-20 10:26:58,979 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 10:26:58,984 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:26:59,005 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:26:59,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:26:59,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:26:59,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:26:59,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:26:59,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:26:59,011 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:26:59,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:26:59,013 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:26:59,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:26:59,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:26:59,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:26:59,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:26:59,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:26:59,036 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:26:59,037 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:26:59,040 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:26:59,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:26:59,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:26:59,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:26:59,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:26:59,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:26:59,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:26:59,058 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:26:59,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:26:59,060 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:26:59,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:26:59,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:26:59,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:26:59,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:26:59,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:26:59,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:26:59,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:26:59,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:26:59,085 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:26:59,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:26:59,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:26:59,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:26:59,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:26:59,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:26:59,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:26:59,103 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:26:59,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:26:59,105 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:26:59,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:26:59,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:26:59,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:26:59,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:26:59,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:26:59,122 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:26:59,122 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:26:59,129 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:26:59,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:26:59,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:26:59,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:26:59,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:26:59,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:26:59,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:26:59,137 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:26:59,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:26:59,138 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:26:59,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:26:59,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:26:59,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:26:59,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:26:59,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:26:59,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:26:59,146 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:26:59,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:26:59,147 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:26:59,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:26:59,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:26:59,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:26:59,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:26:59,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:26:59,162 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:26:59,162 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:26:59,165 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Exception during sending of exit command (exit): Broken pipe No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:26:59,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:26:59,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:26:59,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:26:59,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:26:59,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:26:59,178 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:26:59,178 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:26:59,185 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:26:59,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:26:59,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:26:59,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:26:59,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:26:59,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:26:59,195 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:26:59,195 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:26:59,199 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:26:59,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:26:59,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:26:59,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:26:59,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:26:59,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:26:59,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:26:59,215 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:26:59,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:26:59,221 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:26:59,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:26:59,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:26:59,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:26:59,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:26:59,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:26:59,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:26:59,232 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:26:59,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:26:59,237 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:26:59,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:26:59,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:26:59,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:26:59,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:26:59,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:26:59,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:26:59,254 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:26:59,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:26:59,255 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:26:59,265 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:26:59,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:26:59,267 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:26:59,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:26:59,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:26:59,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:26:59,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:26:59,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:26:59,269 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:26:59,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:26:59,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:26:59,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:26:59,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:26:59,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:26:59,278 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:26:59,279 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:26:59,285 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:26:59,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:26:59,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:26:59,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:26:59,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:26:59,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:26:59,314 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:26:59,314 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:26:59,321 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:26:59,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:26:59,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:26:59,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:26:59,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:26:59,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:26:59,352 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:26:59,353 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:26:59,372 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 10:26:59,415 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-11-20 10:26:59,416 INFO L444 ModelExtractionUtils]: 14 out of 40 variables were initially zero. Simplification set additionally 23 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:26:59,517 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 10:26:59,526 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 10:26:59,526 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 10:26:59,527 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 + 4294967291 Supporting invariants [] [2019-11-20 10:26:59,691 INFO L297 tatePredicateManager]: 41 out of 41 supporting invariants were superfluous and have been removed [2019-11-20 10:26:59,698 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 10:26:59,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:26:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:26:59,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 10:26:59,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:26:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:26:59,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-20 10:26:59,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:26:59,792 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 10:26:59,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:26:59,880 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-20 10:26:59,881 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 5 states. [2019-11-20 10:27:00,029 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 5 states. Result 28 states and 36 transitions. Complement of second has 9 states. [2019-11-20 10:27:00,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-20 10:27:00,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 10:27:00,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 20 transitions. [2019-11-20 10:27:00,036 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 2 letters. Loop has 4 letters. [2019-11-20 10:27:00,038 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:27:00,038 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-20 10:27:00,039 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:27:00,039 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 2 letters. Loop has 8 letters. [2019-11-20 10:27:00,039 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:27:00,040 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 36 transitions. [2019-11-20 10:27:00,045 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 10:27:00,051 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 13 states and 19 transitions. [2019-11-20 10:27:00,052 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2019-11-20 10:27:00,052 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2019-11-20 10:27:00,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 19 transitions. [2019-11-20 10:27:00,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 10:27:00,053 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2019-11-20 10:27:00,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 19 transitions. [2019-11-20 10:27:00,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2019-11-20 10:27:00,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-20 10:27:00,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 17 transitions. [2019-11-20 10:27:00,081 INFO L711 BuchiCegarLoop]: Abstraction has 12 states and 17 transitions. [2019-11-20 10:27:00,081 INFO L591 BuchiCegarLoop]: Abstraction has 12 states and 17 transitions. [2019-11-20 10:27:00,081 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 10:27:00,081 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 17 transitions. [2019-11-20 10:27:00,083 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 10:27:00,083 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:27:00,083 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:27:00,084 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-20 10:27:00,084 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 10:27:00,084 INFO L794 eck$LassoCheckResult]: Stem: 260#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 253#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~ret18;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet15, main_#t~nondet16, main_#t~nondet17;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem14, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 254#L558-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 < test_fun_#t~mem7; 261#L557-1 [2019-11-20 10:27:00,085 INFO L796 eck$LassoCheckResult]: Loop: 261#L557-1 assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 2147483647; 263#L557-3 assume !!test_fun_#t~short9;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;havoc test_fun_#t~mem8;havoc test_fun_#t~short9;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem11 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 255#L558 assume !(test_fun_#t~mem10 < test_fun_#t~mem11);havoc test_fun_#t~mem10;havoc test_fun_#t~mem11;call test_fun_#t~mem13 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem13, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem13; 256#L558-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 < test_fun_#t~mem7; 261#L557-1 [2019-11-20 10:27:00,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:27:00,085 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-11-20 10:27:00,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:27:00,085 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542054863] [2019-11-20 10:27:00,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:27:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:27:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:27:00,152 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:27:00,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:27:00,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1239449, now seen corresponding path program 1 times [2019-11-20 10:27:00,153 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:27:00,153 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379615051] [2019-11-20 10:27:00,154 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:27:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:27:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:27:00,182 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:27:00,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:27:00,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1806849212, now seen corresponding path program 1 times [2019-11-20 10:27:00,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:27:00,183 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235055547] [2019-11-20 10:27:00,183 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:27:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:27:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:27:00,291 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:27:00,489 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-11-20 10:27:00,655 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-11-20 10:27:01,509 WARN L191 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 121 [2019-11-20 10:27:02,343 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-11-20 10:27:02,346 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 10:27:02,346 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 10:27:02,347 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 10:27:02,347 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 10:27:02,347 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 10:27:02,347 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:27:02,347 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 10:27:02,347 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 10:27:02,347 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.03-alloca-1.i_Iteration2_Lasso [2019-11-20 10:27:02,347 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 10:27:02,347 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 10:27:02,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:27:02,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:27:02,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:27:02,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:27:02,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:27:02,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:27:02,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:27:02,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:27:02,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:27:02,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Exception during sending of exit command (exit): Broken pipe [2019-11-20 10:27:03,665 WARN L191 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 101 [2019-11-20 10:27:03,868 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-11-20 10:27:03,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:27:03,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:27:03,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:27:03,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:27:03,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:27:03,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:27:03,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:27:04,059 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2019-11-20 10:27:04,601 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2019-11-20 10:27:04,749 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2019-11-20 10:27:04,906 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 10:27:04,906 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:27:04,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:27:04,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:27:04,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:27:04,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:27:04,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:27:04,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:27:04,920 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:27:04,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:27:04,921 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:27:04,926 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:27:04,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:27:04,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:27:04,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:27:04,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:27:04,932 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:27:04,932 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:27:04,939 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:27:04,945 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:27:04,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:27:04,946 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:27:04,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:27:04,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:27:04,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:27:04,947 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:27:04,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:27:04,948 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:27:04,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:27:04,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:27:04,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:27:04,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:27:04,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:27:04,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:27:04,954 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:27:04,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:27:04,955 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:27:04,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:27:04,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:27:04,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:27:04,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:27:04,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:27:04,963 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:27:04,963 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:27:04,969 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/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) [2019-11-20 10:27:04,982 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:27:04,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:27:04,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:27:04,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:27:04,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:27:04,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:27:04,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:27:04,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:27:04,988 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:27:04,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:27:05,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:27:05,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:27:05,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:27:05,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:27:05,004 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:27:05,004 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:27:05,008 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:27:05,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:27:05,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:27:05,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:27:05,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:27:05,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:27:05,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:27:05,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:27:05,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:27:05,021 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:27:05,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:27:05,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:27:05,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:27:05,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:27:05,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:27:05,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:27:05,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:27:05,031 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:27:05,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:27:05,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:27:05,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:27:05,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:27:05,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:27:05,039 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:27:05,039 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:27:05,042 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:27:05,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:27:05,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:27:05,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:27:05,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:27:05,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:27:05,051 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:27:05,051 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:27:05,055 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:27:05,059 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:27:05,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:27:05,061 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-20 10:27:05,062 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 10:27:05,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:27:05,105 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2019-11-20 10:27:05,105 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-20 10:27:05,185 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 10:27:05,241 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-11-20 10:27:05,241 INFO L444 ModelExtractionUtils]: 54 out of 81 variables were initially zero. Simplification set additionally 24 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9dfdb30-9237-4311-a565-8d1a0ac258f3/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:27:05,244 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 10:27:05,247 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2019-11-20 10:27:05,248 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 10:27:05,248 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_2) = -2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_2 + 4294967293 Supporting invariants [] [2019-11-20 10:27:05,422 INFO L297 tatePredicateManager]: 41 out of 41 supporting invariants were superfluous and have been removed [2019-11-20 10:27:05,423 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 10:27:05,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:27:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:27:05,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 10:27:05,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:27:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:27:05,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 10:27:05,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:27:05,476 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 10:27:05,524 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2019-11-20 10:27:05,525 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 10:27:05,542 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 10:27:05,542 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 10:27:05,542 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:19 [2019-11-20 10:27:05,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:27:05,553 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2019-11-20 10:27:05,553 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 7 Second operand 5 states. [2019-11-20 10:27:05,585 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 7. Second operand 5 states. Result 24 states and 41 transitions. Complement of second has 8 states. [2019-11-20 10:27:05,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-20 10:27:05,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 10:27:05,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2019-11-20 10:27:05,587 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 3 letters. Loop has 4 letters. [2019-11-20 10:27:05,587 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:27:05,587 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 7 letters. Loop has 4 letters. [2019-11-20 10:27:05,587 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:27:05,587 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 3 letters. Loop has 8 letters. [2019-11-20 10:27:05,587 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:27:05,588 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 41 transitions. [2019-11-20 10:27:05,590 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 10:27:05,591 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2019-11-20 10:27:05,591 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 10:27:05,591 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 10:27:05,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 10:27:05,591 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 10:27:05,591 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:27:05,591 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:27:05,591 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:27:05,591 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 10:27:05,592 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 10:27:05,592 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 10:27:05,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 10:27:05,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:27:05 BoogieIcfgContainer [2019-11-20 10:27:05,597 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 10:27:05,597 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:27:05,597 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:27:05,597 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:27:05,598 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:26:55" (3/4) ... [2019-11-20 10:27:05,600 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 10:27:05,600 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:27:05,602 INFO L168 Benchmark]: Toolchain (without parser) took 11384.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.6 MB). Free memory was 942.0 MB in the beginning and 1.2 GB in the end (delta: -215.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:27:05,602 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 964.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:27:05,603 INFO L168 Benchmark]: CACSL2BoogieTranslator took 541.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -188.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-20 10:27:05,603 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.98 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:27:05,603 INFO L168 Benchmark]: Boogie Preprocessor took 39.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-20 10:27:05,604 INFO L168 Benchmark]: RCFGBuilder took 384.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:27:05,605 INFO L168 Benchmark]: BuchiAutomizer took 10369.55 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 63.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -53.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:27:05,605 INFO L168 Benchmark]: Witness Printer took 3.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:27:05,608 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 964.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 541.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -188.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.98 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.42 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 384.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 10369.55 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 63.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -53.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 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 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[x_ref][x_ref] + 4294967291 and consists of 6 locations. One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[z_ref][z_ref] + 4294967293 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 9.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 13 SDslu, 13 SDs, 0 SdLazy, 34 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital621 mio100 ax103 hnf99 lsp71 ukn73 mio100 lsp30 div100 bol105 ite100 ukn100 eq178 hnf88 smp95 dnf227 smp75 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 191ms VariablesStem: 15 VariablesLoop: 10 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...