./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/aviad_true-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/aviad_true-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/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 3607a2efd08edc90448739913473b3ff26ff3cc3 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 11:42:16,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:42:16,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:42:16,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:42:16,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:42:16,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:42:16,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:42:16,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:42:16,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:42:16,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:42:16,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:42:16,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:42:16,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:42:16,363 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:42:16,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:42:16,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:42:16,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:42:16,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:42:16,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:42:16,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:42:16,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:42:16,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:42:16,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:42:16,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:42:16,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:42:16,374 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:42:16,374 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:42:16,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:42:16,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:42:16,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:42:16,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:42:16,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:42:16,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:42:16,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:42:16,377 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:42:16,377 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:42:16,378 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:42:16,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:42:16,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:42:16,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:42:16,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:42:16,379 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 11:42:16,391 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:42:16,391 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:42:16,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:42:16,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:42:16,392 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 11:42:16,392 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 11:42:16,392 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 11:42:16,393 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 11:42:16,393 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 11:42:16,393 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 11:42:16,393 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 11:42:16,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:42:16,393 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 11:42:16,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:42:16,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:42:16,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 11:42:16,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 11:42:16,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 11:42:16,394 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:42:16,394 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 11:42:16,394 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:42:16,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 11:42:16,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:42:16,394 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:42:16,395 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 11:42:16,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:42:16,395 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 11:42:16,395 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:42:16,395 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 11:42:16,395 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 11:42:16,396 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_da38585a-9d12-4b0d-922e-d1e582c69f6d/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 -> 3607a2efd08edc90448739913473b3ff26ff3cc3 [2019-12-07 11:42:16,494 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:42:16,502 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:42:16,504 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:42:16,505 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:42:16,505 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:42:16,506 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/aviad_true-alloca.i [2019-12-07 11:42:16,543 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/bin/uautomizer/data/8e5e59fe2/fbed2eb3c1224b4a92dc83562a077485/FLAGa703960e2 [2019-12-07 11:42:16,904 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:42:16,904 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/sv-benchmarks/c/termination-memory-alloca/aviad_true-alloca.i [2019-12-07 11:42:16,913 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/bin/uautomizer/data/8e5e59fe2/fbed2eb3c1224b4a92dc83562a077485/FLAGa703960e2 [2019-12-07 11:42:16,921 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/bin/uautomizer/data/8e5e59fe2/fbed2eb3c1224b4a92dc83562a077485 [2019-12-07 11:42:16,923 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:42:16,924 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:42:16,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:42:16,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:42:16,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:42:16,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:42:16" (1/1) ... [2019-12-07 11:42:16,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25bf35b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:42:16, skipping insertion in model container [2019-12-07 11:42:16,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:42:16" (1/1) ... [2019-12-07 11:42:16,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:42:16,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:42:17,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:42:17,157 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:42:17,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:42:17,214 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:42:17,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:42:17 WrapperNode [2019-12-07 11:42:17,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:42:17,215 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:42:17,215 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:42:17,215 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:42:17,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:42:17" (1/1) ... [2019-12-07 11:42:17,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:42:17" (1/1) ... [2019-12-07 11:42:17,243 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:42:17,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:42:17,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:42:17,244 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:42:17,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:42:17" (1/1) ... [2019-12-07 11:42:17,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:42:17" (1/1) ... [2019-12-07 11:42:17,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:42:17" (1/1) ... [2019-12-07 11:42:17,252 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:42:17" (1/1) ... [2019-12-07 11:42:17,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:42:17" (1/1) ... [2019-12-07 11:42:17,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:42:17" (1/1) ... [2019-12-07 11:42:17,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:42:17" (1/1) ... [2019-12-07 11:42:17,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:42:17,260 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:42:17,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:42:17,261 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:42:17,261 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:42:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/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 [2019-12-07 11:42:17,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 11:42:17,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 11:42:17,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:42:17,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 11:42:17,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:42:17,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:42:17,461 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:42:17,462 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 11:42:17,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:42:17 BoogieIcfgContainer [2019-12-07 11:42:17,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:42:17,463 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 11:42:17,463 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 11:42:17,465 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 11:42:17,465 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:42:17,466 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 11:42:16" (1/3) ... [2019-12-07 11:42:17,466 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e94a36f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 11:42:17, skipping insertion in model container [2019-12-07 11:42:17,466 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:42:17,466 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:42:17" (2/3) ... [2019-12-07 11:42:17,467 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e94a36f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 11:42:17, skipping insertion in model container [2019-12-07 11:42:17,467 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:42:17,467 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:42:17" (3/3) ... [2019-12-07 11:42:17,468 INFO L371 chiAutomizerObserver]: Analyzing ICFG aviad_true-alloca.i [2019-12-07 11:42:17,497 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 11:42:17,497 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 11:42:17,497 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 11:42:17,497 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:42:17,498 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:42:17,498 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 11:42:17,498 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:42:17,498 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 11:42:17,506 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-12-07 11:42:17,520 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 11:42:17,520 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:42:17,520 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:42:17,524 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 11:42:17,524 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 11:42:17,524 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 11:42:17,524 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-12-07 11:42:17,525 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 11:42:17,525 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:42:17,525 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:42:17,525 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 11:42:17,525 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 11:42:17,530 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~ret14, main_~x~0, main_~count~1;main_~x~0 := main_#t~nondet13;havoc main_#t~nondet13;f_#in~a := main_~x~0;havoc f_#res;havoc f_#t~malloc2.base, f_#t~malloc2.offset, f_#t~malloc3.base, f_#t~malloc3.offset, f_#t~malloc4.base, f_#t~malloc4.offset, f_#t~mem6, f_#t~mem7, f_#t~mem8, f_#t~mem9, f_#t~mem10, f_#t~post11, f_#t~mem5, f_#t~mem12, f_~a, f_~a_ref~0.base, f_~a_ref~0.offset, f_~tmp~0.base, f_~tmp~0.offset, f_~count~0.base, f_~count~0.offset;f_~a := f_#in~a;call f_#t~malloc2.base, f_#t~malloc2.offset := #Ultimate.allocOnStack(4);f_~a_ref~0.base, f_~a_ref~0.offset := f_#t~malloc2.base, f_#t~malloc2.offset;call f_#t~malloc3.base, f_#t~malloc3.offset := #Ultimate.allocOnStack(4);f_~tmp~0.base, f_~tmp~0.offset := f_#t~malloc3.base, f_#t~malloc3.offset;call f_#t~malloc4.base, f_#t~malloc4.offset := #Ultimate.allocOnStack(4);f_~count~0.base, f_~count~0.offset := f_#t~malloc4.base, f_#t~malloc4.offset;call write~int(f_~a, f_~a_ref~0.base, f_~a_ref~0.offset, 4);call write~int(0, f_~tmp~0.base, f_~tmp~0.offset, 4);call write~int(0, f_~count~0.base, f_~count~0.offset, 4); 6#L554-3true [2019-12-07 11:42:17,530 INFO L796 eck$LassoCheckResult]: Loop: 6#L554-3true call f_#t~mem5 := read~int(f_~a_ref~0.base, f_~a_ref~0.offset, 4); 4#L554-1true assume !!(f_#t~mem5 > 1);havoc f_#t~mem5;call f_#t~mem6 := read~int(f_~a_ref~0.base, f_~a_ref~0.offset, 4);call write~int((if f_#t~mem6 < 0 && 0 != f_#t~mem6 % 2 then f_#t~mem6 % 2 - 2 else f_#t~mem6 % 2), f_~tmp~0.base, f_~tmp~0.offset, 4);havoc f_#t~mem6;call f_#t~mem7 := read~int(f_~tmp~0.base, f_~tmp~0.offset, 4); 7#L556true assume !(0 == f_#t~mem7);havoc f_#t~mem7;call f_#t~mem9 := read~int(f_~a_ref~0.base, f_~a_ref~0.offset, 4);call write~int(f_#t~mem9 - 1, f_~a_ref~0.base, f_~a_ref~0.offset, 4);havoc f_#t~mem9; 13#L556-2true call f_#t~mem10 := read~int(f_~count~0.base, f_~count~0.offset, 4);f_#t~post11 := f_#t~mem10;call write~int(1 + f_#t~post11, f_~count~0.base, f_~count~0.offset, 4);havoc f_#t~post11;havoc f_#t~mem10; 6#L554-3true [2019-12-07 11:42:17,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:42:17,534 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-12-07 11:42:17,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:42:17,540 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542503491] [2019-12-07 11:42:17,540 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:42:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:42:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:42:17,653 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:42:17,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:42:17,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1144136, now seen corresponding path program 1 times [2019-12-07 11:42:17,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:42:17,654 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885150265] [2019-12-07 11:42:17,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:42:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:42:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:42:17,690 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:42:17,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:42:17,691 INFO L82 PathProgramCache]: Analyzing trace with hash 889571338, now seen corresponding path program 1 times [2019-12-07 11:42:17,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:42:17,692 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110530504] [2019-12-07 11:42:17,692 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:42:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:42:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:42:17,747 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:42:17,961 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 54 [2019-12-07 11:42:18,214 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 80 [2019-12-07 11:42:18,310 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:42:18,310 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:42:18,311 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:42:18,311 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:42:18,311 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 11:42:18,311 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:42:18,311 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:42:18,311 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:42:18,311 INFO L133 ssoRankerPreferences]: Filename of dumped script: aviad_true-alloca.i_Iteration1_Lasso [2019-12-07 11:42:18,311 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:42:18,311 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:42:18,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:42:18,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:42:18,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:42:18,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:42:18,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:42:18,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:42:18,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:42:18,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:42:18,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:42:18,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:42:18,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:42:18,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:42:18,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:42:18,588 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2019-12-07 11:42:18,702 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-12-07 11:42:18,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:42:18,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:42:18,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:42:18,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:42:18,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:42:18,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:42:18,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:42:19,081 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:42:19,085 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/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 [2019-12-07 11:42:19,089 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 [2019-12-07 11:42:19,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:42:19,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:42:19,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:42:19,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:42:19,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:42:19,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:42:19,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:42:19,096 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/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 [2019-12-07 11:42:19,100 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 [2019-12-07 11:42:19,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:42:19,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:42:19,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:42:19,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:42:19,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:42:19,103 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:42:19,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:42:19,104 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:42:19,108 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 [2019-12-07 11:42:19,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:42:19,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:42:19,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:42:19,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:42:19,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:42:19,110 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:42:19,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:42:19,111 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/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 [2019-12-07 11:42:19,116 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 [2019-12-07 11:42:19,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:42:19,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:42:19,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:42:19,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:42:19,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:42:19,118 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:42:19,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:42:19,119 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:42:19,124 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 [2019-12-07 11:42:19,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:42:19,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:42:19,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:42:19,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:42:19,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:42:19,127 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:42:19,127 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:42:19,128 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/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 [2019-12-07 11:42:19,132 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 [2019-12-07 11:42:19,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:42:19,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:42:19,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:42:19,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:42:19,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:42:19,134 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:42:19,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:42:19,136 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/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 [2019-12-07 11:42:19,140 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 [2019-12-07 11:42:19,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:42:19,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:42:19,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:42:19,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:42:19,144 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:42:19,144 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:42:19,146 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/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 [2019-12-07 11:42:19,150 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 [2019-12-07 11:42:19,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:42:19,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:42:19,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:42:19,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:42:19,153 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:42:19,153 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:42:19,156 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/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 [2019-12-07 11:42:19,160 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 [2019-12-07 11:42:19,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:42:19,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:42:19,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:42:19,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:42:19,163 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:42:19,163 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:42:19,166 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/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 [2019-12-07 11:42:19,169 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 [2019-12-07 11:42:19,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:42:19,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:42:19,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:42:19,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:42:19,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:42:19,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:42:19,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:42:19,172 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:42:19,177 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 [2019-12-07 11:42:19,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:42:19,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:42:19,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:42:19,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:42:19,180 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:42:19,180 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:42:19,182 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/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 [2019-12-07 11:42:19,186 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 [2019-12-07 11:42:19,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:42:19,187 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:42:19,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:42:19,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:42:19,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:42:19,188 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:42:19,188 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:42:19,189 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/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 [2019-12-07 11:42:19,193 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 [2019-12-07 11:42:19,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:42:19,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:42:19,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:42:19,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:42:19,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:42:19,197 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:42:19,202 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:42:19,206 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 [2019-12-07 11:42:19,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:42:19,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:42:19,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:42:19,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:42:19,209 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:42:19,210 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:42:19,212 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/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 [2019-12-07 11:42:19,216 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 [2019-12-07 11:42:19,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:42:19,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:42:19,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:42:19,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:42:19,219 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:42:19,219 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:42:19,223 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/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 [2019-12-07 11:42:19,227 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 [2019-12-07 11:42:19,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:42:19,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:42:19,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:42:19,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:42:19,239 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:42:19,239 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:42:19,254 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/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 [2019-12-07 11:42:19,258 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 [2019-12-07 11:42:19,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:42:19,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:42:19,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:42:19,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:42:19,264 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:42:19,265 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:42:19,272 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/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 [2019-12-07 11:42:19,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:42:19,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:42:19,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:42:19,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:42:19,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:42:19,280 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:42:19,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:42:19,285 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/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 [2019-12-07 11:42:19,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:42:19,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:42:19,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:42:19,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:42:19,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:42:19,294 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:42:19,294 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:42:19,304 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 11:42:19,316 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-12-07 11:42:19,316 INFO L444 ModelExtractionUtils]: 11 out of 19 variables were initially zero. Simplification set additionally 6 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_da38585a-9d12-4b0d-922e-d1e582c69f6d/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 [2019-12-07 11:42:19,322 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 11:42:19,328 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 11:42:19,328 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 11:42:19,329 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_f_~a_ref~0.base) ULTIMATE.start_f_~a_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_f_~a_ref~0.base) ULTIMATE.start_f_~a_ref~0.offset)_1 Supporting invariants [] [2019-12-07 11:42:19,399 INFO L297 tatePredicateManager]: 22 out of 24 supporting invariants were superfluous and have been removed [2019-12-07 11:42:19,406 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 11:42:19,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:42:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:42:19,446 INFO L264 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 11:42:19,447 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:42:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:42:19,459 INFO L264 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 11:42:19,460 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:42:19,480 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:42:19,481 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:42:19,532 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:42:19,532 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 1 case distinctions, treesize of input 41 treesize of output 54 [2019-12-07 11:42:19,533 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 11:42:19,534 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:42:19,535 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:42:19,537 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 11:42:19,538 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:42:19,540 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:42:19,541 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 11:42:19,564 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:42:19,565 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 1 case distinctions, treesize of input 51 treesize of output 62 [2019-12-07 11:42:19,565 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:42:19,566 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 11:42:19,567 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:42:19,568 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 11:42:19,569 INFO L534 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 11:42:19,588 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:42:19,589 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 1 case distinctions, treesize of input 40 treesize of output 53 [2019-12-07 11:42:19,589 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 11:42:19,590 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:42:19,591 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:42:19,592 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 11:42:19,592 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:42:19,593 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:42:19,594 INFO L534 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 11:42:19,655 INFO L614 ElimStorePlain]: treesize reduction 109, result has 42.9 percent of original size [2019-12-07 11:42:19,655 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:42:19,657 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:42:19,658 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2019-12-07 11:42:19,658 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:154, output treesize:82 [2019-12-07 11:42:19,659 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:42:19,660 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:42:19,700 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:42:19,708 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 11:42:19,723 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:42:19,724 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 66 [2019-12-07 11:42:19,725 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 11:42:19,729 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 27 treesize of output 15 [2019-12-07 11:42:19,730 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 11:42:19,806 INFO L614 ElimStorePlain]: treesize reduction 54, result has 54.6 percent of original size [2019-12-07 11:42:19,808 INFO L534 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2019-12-07 11:42:19,808 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:93, output treesize:65 [2019-12-07 11:42:19,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:42:19,868 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 [2019-12-07 11:42:19,869 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 5 states. [2019-12-07 11:42:19,976 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 5 states. Result 22 states and 26 transitions. Complement of second has 10 states. [2019-12-07 11:42:19,976 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 [2019-12-07 11:42:19,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 11:42:19,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 15 transitions. [2019-12-07 11:42:19,979 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 2 letters. Loop has 4 letters. [2019-12-07 11:42:19,979 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:42:19,979 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 6 letters. Loop has 4 letters. [2019-12-07 11:42:19,980 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:42:19,980 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 2 letters. Loop has 8 letters. [2019-12-07 11:42:19,980 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:42:19,981 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 26 transitions. [2019-12-07 11:42:19,982 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 11:42:19,983 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2019-12-07 11:42:19,984 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 11:42:19,984 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 11:42:19,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 11:42:19,985 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 11:42:19,985 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:42:19,985 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:42:19,985 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:42:19,985 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 11:42:19,985 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 11:42:19,985 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 11:42:19,985 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 11:42:19,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 11:42:19 BoogieIcfgContainer [2019-12-07 11:42:19,989 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 11:42:19,989 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:42:19,989 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:42:19,990 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:42:19,990 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:42:17" (3/4) ... [2019-12-07 11:42:19,992 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 11:42:19,992 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:42:19,993 INFO L168 Benchmark]: Toolchain (without parser) took 3068.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -194.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:42:19,993 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:42:19,994 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -135.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 11:42:19,994 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.52 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:42:19,994 INFO L168 Benchmark]: Boogie Preprocessor took 16.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:42:19,994 INFO L168 Benchmark]: RCFGBuilder took 202.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-12-07 11:42:19,995 INFO L168 Benchmark]: BuchiAutomizer took 2526.28 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 58.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -86.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:42:19,995 INFO L168 Benchmark]: Witness Printer took 2.63 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. [2019-12-07 11:42:19,997 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 289.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -135.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.52 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 202.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2526.28 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 58.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -86.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 2.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * 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 unknown-#memory_int-unknown[a_ref][a_ref] and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. 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: 2 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 21 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital433 mio100 ax104 hnf100 lsp94 ukn41 mio100 lsp38 div100 bol100 ite100 ukn100 eq194 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 8ms 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...