./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.02-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a5522b57-966c-4917-8fce-2b9a432556c9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a5522b57-966c-4917-8fce-2b9a432556c9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a5522b57-966c-4917-8fce-2b9a432556c9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a5522b57-966c-4917-8fce-2b9a432556c9/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.02-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a5522b57-966c-4917-8fce-2b9a432556c9/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a5522b57-966c-4917-8fce-2b9a432556c9/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 422e0eaf2d7a917ba2bde807c111198f2d7aea19 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 04:05:43,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:05:43,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:05:43,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:05:43,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:05:43,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:05:43,481 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:05:43,483 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:05:43,485 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:05:43,485 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:05:43,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:05:43,488 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:05:43,488 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:05:43,491 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:05:43,492 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:05:43,499 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:05:43,500 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:05:43,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:05:43,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:05:43,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:05:43,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:05:43,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:05:43,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:05:43,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:05:43,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:05:43,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:05:43,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:05:43,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:05:43,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:05:43,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:05:43,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:05:43,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:05:43,530 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:05:43,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:05:43,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:05:43,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:05:43,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:05:43,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:05:43,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:05:43,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:05:43,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:05:43,534 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a5522b57-966c-4917-8fce-2b9a432556c9/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 04:05:43,560 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:05:43,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:05:43,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:05:43,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:05:43,561 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 04:05:43,561 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 04:05:43,561 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 04:05:43,562 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 04:05:43,562 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 04:05:43,562 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 04:05:43,562 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 04:05:43,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:05:43,563 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 04:05:43,563 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 04:05:43,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:05:43,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 04:05:43,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 04:05:43,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 04:05:43,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:05:43,564 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 04:05:43,564 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:05:43,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 04:05:43,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:05:43,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 04:05:43,565 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 04:05:43,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:05:43,565 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 04:05:43,565 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 04:05:43,566 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 04:05:43,566 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_a5522b57-966c-4917-8fce-2b9a432556c9/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 -> 422e0eaf2d7a917ba2bde807c111198f2d7aea19 [2019-11-20 04:05:43,735 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:05:43,745 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:05:43,748 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:05:43,749 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:05:43,750 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:05:43,751 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a5522b57-966c-4917-8fce-2b9a432556c9/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/b.02-alloca.i [2019-11-20 04:05:43,809 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a5522b57-966c-4917-8fce-2b9a432556c9/bin/uautomizer/data/8752436c9/37e7d9f118674f258c1e195a170fd5c3/FLAGdad8de551 [2019-11-20 04:05:44,229 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:05:44,230 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a5522b57-966c-4917-8fce-2b9a432556c9/sv-benchmarks/c/termination-memory-alloca/b.02-alloca.i [2019-11-20 04:05:44,248 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a5522b57-966c-4917-8fce-2b9a432556c9/bin/uautomizer/data/8752436c9/37e7d9f118674f258c1e195a170fd5c3/FLAGdad8de551 [2019-11-20 04:05:44,540 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a5522b57-966c-4917-8fce-2b9a432556c9/bin/uautomizer/data/8752436c9/37e7d9f118674f258c1e195a170fd5c3 [2019-11-20 04:05:44,542 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:05:44,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:05:44,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:05:44,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:05:44,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:05:44,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:05:44" (1/1) ... [2019-11-20 04:05:44,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2708cf20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:05:44, skipping insertion in model container [2019-11-20 04:05:44,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:05:44" (1/1) ... [2019-11-20 04:05:44,558 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:05:44,602 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:05:44,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:05:44,938 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:05:44,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:05:45,044 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:05:45,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:05:45 WrapperNode [2019-11-20 04:05:45,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:05:45,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:05:45,045 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:05:45,045 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:05:45,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:05:45" (1/1) ... [2019-11-20 04:05:45,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:05:45" (1/1) ... [2019-11-20 04:05:45,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:05:45,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:05:45,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:05:45,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:05:45,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:05:45" (1/1) ... [2019-11-20 04:05:45,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:05:45" (1/1) ... [2019-11-20 04:05:45,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:05:45" (1/1) ... [2019-11-20 04:05:45,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:05:45" (1/1) ... [2019-11-20 04:05:45,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:05:45" (1/1) ... [2019-11-20 04:05:45,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:05:45" (1/1) ... [2019-11-20 04:05:45,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:05:45" (1/1) ... [2019-11-20 04:05:45,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:05:45,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:05:45,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:05:45,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:05:45,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:05:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a5522b57-966c-4917-8fce-2b9a432556c9/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 04:05:45,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 04:05:45,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 04:05:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 04:05:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 04:05:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:05:45,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:05:45,446 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 04:05:45,446 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 04:05:45,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:05:45 BoogieIcfgContainer [2019-11-20 04:05:45,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 04:05:45,448 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 04:05:45,448 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 04:05:45,451 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 04:05:45,452 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 04:05:45,452 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 04:05:44" (1/3) ... [2019-11-20 04:05:45,453 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d0ee1fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 04:05:45, skipping insertion in model container [2019-11-20 04:05:45,453 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 04:05:45,454 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:05:45" (2/3) ... [2019-11-20 04:05:45,454 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d0ee1fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 04:05:45, skipping insertion in model container [2019-11-20 04:05:45,454 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 04:05:45,454 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:05:45" (3/3) ... [2019-11-20 04:05:45,456 INFO L371 chiAutomizerObserver]: Analyzing ICFG b.02-alloca.i [2019-11-20 04:05:45,502 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 04:05:45,502 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 04:05:45,502 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 04:05:45,502 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 04:05:45,502 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 04:05:45,503 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 04:05:45,503 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 04:05:45,503 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 04:05:45,515 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-11-20 04:05:45,535 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 04:05:45,535 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:05:45,535 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:05:45,541 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 04:05:45,542 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 04:05:45,542 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 04:05:45,542 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-11-20 04:05:45,543 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 04:05:45,543 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:05:45,543 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:05:45,543 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 04:05:45,544 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 04:05:45,551 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12;test_fun_#in~x, test_fun_#in~y := main_#t~nondet10, main_#t~nondet11;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem9, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 5#L555-3true [2019-11-20 04:05:45,551 INFO L796 eck$LassoCheckResult]: Loop: 5#L555-3true call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 10#L555-1true assume !!(test_fun_#t~mem5 > test_fun_#t~mem6);havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem7 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem7;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem8, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem8; 5#L555-3true [2019-11-20 04:05:45,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:05:45,557 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-20 04:05:45,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:05:45,565 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795041581] [2019-11-20 04:05:45,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:05:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:05:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:05:45,718 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:05:45,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:05:45,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2019-11-20 04:05:45,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:05:45,720 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954594176] [2019-11-20 04:05:45,720 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:05:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:05:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:05:45,753 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:05:45,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:05:45,762 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2019-11-20 04:05:45,762 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:05:45,762 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460219873] [2019-11-20 04:05:45,763 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:05:45,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:05:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:05:45,851 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:05:46,582 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 80 [2019-11-20 04:05:46,754 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-11-20 04:05:46,769 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 04:05:46,770 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 04:05:46,770 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 04:05:46,770 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 04:05:46,771 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 04:05:46,771 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:05:46,771 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 04:05:46,771 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 04:05:46,772 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.02-alloca.i_Iteration1_Lasso [2019-11-20 04:05:46,772 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 04:05:46,773 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 04:05:46,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:05:46,816 INFO 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 04:05:46,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:05:46,824 INFO 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 04:05:46,827 INFO 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 04:05:46,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:05:46,835 INFO 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 04:05:46,838 INFO 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 04:05:47,227 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2019-11-20 04:05:47,357 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-11-20 04:05:47,358 INFO 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 04:05:47,362 INFO 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 04:05:47,365 INFO 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 04:05:47,368 INFO 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 04:05:47,371 INFO 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 04:05:47,376 INFO 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 04:05:47,924 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 04:05:47,932 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a5522b57-966c-4917-8fce-2b9a432556c9/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:05:47,948 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 04:05:47,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:05:47,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:05:47,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:05:47,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:05:47,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:05:47,954 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:05:47,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:05:47,957 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a5522b57-966c-4917-8fce-2b9a432556c9/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:05:47,974 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 04:05:47,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:05:47,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:05:47,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:05:47,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:05:47,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:05:47,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:05:47,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:05:47,981 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a5522b57-966c-4917-8fce-2b9a432556c9/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 04:05:47,999 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 04:05:48,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:05:48,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:05:48,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:05:48,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:05:48,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:05:48,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:05:48,004 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 04:05:48,005 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a5522b57-966c-4917-8fce-2b9a432556c9/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:05:48,019 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 04:05:48,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:05:48,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:05:48,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:05:48,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:05:48,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:05:48,025 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:05:48,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:05:48,027 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a5522b57-966c-4917-8fce-2b9a432556c9/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 04:05:48,041 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 04:05:48,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:05:48,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:05:48,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:05:48,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:05:48,049 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:05:48,049 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:05:48,053 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a5522b57-966c-4917-8fce-2b9a432556c9/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:05:48,070 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 04:05:48,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:05:48,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:05:48,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:05:48,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:05:48,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:05:48,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:05:48,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:05:48,075 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a5522b57-966c-4917-8fce-2b9a432556c9/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:05:48,090 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 04:05:48,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:05:48,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:05:48,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:05:48,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:05:48,097 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:05:48,097 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:05:48,103 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a5522b57-966c-4917-8fce-2b9a432556c9/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:05:48,119 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 04:05:48,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:05:48,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:05:48,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:05:48,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:05:48,138 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:05:48,138 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:05:48,158 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 04:05:48,278 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-11-20 04:05:48,278 INFO L444 ModelExtractionUtils]: 8 out of 28 variables were initially zero. Simplification set additionally 15 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a5522b57-966c-4917-8fce-2b9a432556c9/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 04:05:48,286 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 04:05:48,290 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-20 04:05:48,291 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 04:05:48,291 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_fun_~x, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1) = 1*ULTIMATE.start_test_fun_~x - 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 Supporting invariants [1*ULTIMATE.start_test_fun_~x - 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 >= 0] [2019-11-20 04:05:48,396 INFO L297 tatePredicateManager]: 20 out of 21 supporting invariants were superfluous and have been removed [2019-11-20 04:05:48,406 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 04:05:48,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:05:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:05:48,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-20 04:05:48,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:05:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:05:48,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 04:05:48,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:05:48,530 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 04:05:48,545 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 04:05:48,547 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 3 states. [2019-11-20 04:05:48,617 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 3 states. Result 21 states and 23 transitions. Complement of second has 7 states. [2019-11-20 04:05:48,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 04:05:48,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 04:05:48,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2019-11-20 04:05:48,623 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 2 letters. [2019-11-20 04:05:48,623 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:05:48,623 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-20 04:05:48,623 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:05:48,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 4 letters. [2019-11-20 04:05:48,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:05:48,625 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 23 transitions. [2019-11-20 04:05:48,626 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 04:05:48,629 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2019-11-20 04:05:48,630 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 04:05:48,632 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 04:05:48,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 04:05:48,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 04:05:48,633 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:05:48,633 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:05:48,633 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:05:48,633 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 04:05:48,633 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 04:05:48,633 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 04:05:48,633 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 04:05:48,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 04:05:48 BoogieIcfgContainer [2019-11-20 04:05:48,640 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 04:05:48,640 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 04:05:48,640 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 04:05:48,641 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 04:05:48,641 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:05:45" (3/4) ... [2019-11-20 04:05:48,646 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 04:05:48,646 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 04:05:48,648 INFO L168 Benchmark]: Toolchain (without parser) took 4104.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -94.9 MB). Peak memory consumption was 45.6 MB. Max. memory is 11.5 GB. [2019-11-20 04:05:48,648 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:05:48,650 INFO L168 Benchmark]: CACSL2BoogieTranslator took 501.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -178.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-20 04:05:48,650 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:05:48,651 INFO L168 Benchmark]: Boogie Preprocessor took 23.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:05:48,652 INFO L168 Benchmark]: RCFGBuilder took 334.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-20 04:05:48,653 INFO L168 Benchmark]: BuchiAutomizer took 3192.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.0 MB). Peak memory consumption was 61.0 MB. Max. memory is 11.5 GB. [2019-11-20 04:05:48,661 INFO L168 Benchmark]: Witness Printer took 5.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:05:48,663 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 501.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -178.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 334.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3192.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.0 MB). Peak memory consumption was 61.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x + -1 * unknown-#memory_int-unknown[y_ref][y_ref] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 5 SDtfs, 5 SDslu, 6 SDs, 0 SdLazy, 9 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital285 mio100 ax106 hnf100 lsp92 ukn55 mio100 lsp35 div100 bol100 ite100 ukn100 eq196 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...