./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c --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_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/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 d38e7f8e829b6fb879eed3e9eda17afd63dbb323 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:26:27,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:26:27,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:26:27,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:26:27,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:26:27,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:26:27,298 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:26:27,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:26:27,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:26:27,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:26:27,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:26:27,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:26:27,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:26:27,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:26:27,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:26:27,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:26:27,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:26:27,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:26:27,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:26:27,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:26:27,341 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:26:27,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:26:27,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:26:27,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:26:27,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:26:27,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:26:27,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:26:27,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:26:27,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:26:27,356 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:26:27,356 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:26:27,358 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:26:27,358 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:26:27,359 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:26:27,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:26:27,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:26:27,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:26:27,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:26:27,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:26:27,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:26:27,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:26:27,366 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-19 22:26:27,398 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:26:27,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:26:27,410 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:26:27,410 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:26:27,410 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:26:27,411 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 22:26:27,411 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 22:26:27,411 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 22:26:27,411 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 22:26:27,411 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 22:26:27,412 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 22:26:27,412 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:26:27,412 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:26:27,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:26:27,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:26:27,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 22:26:27,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 22:26:27,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 22:26:27,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:26:27,414 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 22:26:27,414 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:26:27,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 22:26:27,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:26:27,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:26:27,415 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 22:26:27,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:26:27,417 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:26:27,417 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 22:26:27,418 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 22:26:27,419 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_a6f0ad55-31a2-402e-b209-efe239f05cd3/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 -> d38e7f8e829b6fb879eed3e9eda17afd63dbb323 [2019-11-19 22:26:27,584 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:26:27,597 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:26:27,600 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:26:27,602 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:26:27,603 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:26:27,603 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2019-11-19 22:26:27,673 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/data/95d257e01/a2ce010bd1474996afa597c83a1fea77/FLAGb51a9409d [2019-11-19 22:26:28,142 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:26:28,142 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2019-11-19 22:26:28,150 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/data/95d257e01/a2ce010bd1474996afa597c83a1fea77/FLAGb51a9409d [2019-11-19 22:26:28,498 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/data/95d257e01/a2ce010bd1474996afa597c83a1fea77 [2019-11-19 22:26:28,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:26:28,502 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:26:28,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:26:28,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:26:28,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:26:28,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:26:28" (1/1) ... [2019-11-19 22:26:28,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aee12f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:28, skipping insertion in model container [2019-11-19 22:26:28,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:26:28" (1/1) ... [2019-11-19 22:26:28,517 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:26:28,531 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:26:28,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:26:28,681 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:26:28,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:26:28,791 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:26:28,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:28 WrapperNode [2019-11-19 22:26:28,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:26:28,792 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:26:28,793 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:26:28,793 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:26:28,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:28" (1/1) ... [2019-11-19 22:26:28,807 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:28" (1/1) ... [2019-11-19 22:26:28,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:26:28,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:26:28,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:26:28,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:26:28,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:28" (1/1) ... [2019-11-19 22:26:28,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:28" (1/1) ... [2019-11-19 22:26:28,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:28" (1/1) ... [2019-11-19 22:26:28,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:28" (1/1) ... [2019-11-19 22:26:28,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:28" (1/1) ... [2019-11-19 22:26:28,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:28" (1/1) ... [2019-11-19 22:26:28,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:28" (1/1) ... [2019-11-19 22:26:28,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:26:28,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:26:28,848 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:26:28,848 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:26:28,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/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 [2019-11-19 22:26:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:26:28,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:26:29,126 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:26:29,127 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-19 22:26:29,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:26:29 BoogieIcfgContainer [2019-11-19 22:26:29,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:26:29,129 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 22:26:29,129 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 22:26:29,133 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 22:26:29,135 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:26:29,135 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:26:28" (1/3) ... [2019-11-19 22:26:29,137 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a3b3d6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:26:29, skipping insertion in model container [2019-11-19 22:26:29,137 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:26:29,137 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:28" (2/3) ... [2019-11-19 22:26:29,138 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a3b3d6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:26:29, skipping insertion in model container [2019-11-19 22:26:29,139 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:26:29,140 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:26:29" (3/3) ... [2019-11-19 22:26:29,142 INFO L371 chiAutomizerObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2019-11-19 22:26:29,196 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 22:26:29,197 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 22:26:29,197 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 22:26:29,197 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:26:29,197 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:26:29,197 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 22:26:29,197 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:26:29,198 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 22:26:29,212 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-11-19 22:26:29,237 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-19 22:26:29,238 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:26:29,238 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:26:29,245 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-19 22:26:29,246 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-19 22:26:29,246 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 22:26:29,246 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-11-19 22:26:29,247 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-19 22:26:29,247 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:26:29,248 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:26:29,248 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-19 22:26:29,248 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-19 22:26:29,257 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 5#L14-2true [2019-11-19 22:26:29,258 INFO L796 eck$LassoCheckResult]: Loop: 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2019-11-19 22:26:29,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:26:29,265 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-19 22:26:29,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:26:29,276 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874304023] [2019-11-19 22:26:29,276 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:26:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:26:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:26:29,365 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:26:29,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:26:29,366 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-11-19 22:26:29,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:26:29,367 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851710208] [2019-11-19 22:26:29,367 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:26:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:26:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:26:29,392 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:26:29,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:26:29,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-11-19 22:26:29,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:26:29,395 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623736310] [2019-11-19 22:26:29,395 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:26:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:26:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:26:29,415 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:26:29,515 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:26:29,516 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:26:29,516 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:26:29,516 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:26:29,516 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 22:26:29,516 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:29,517 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:26:29,517 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:26:29,517 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2019-11-19 22:26:29,517 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:26:29,518 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:26:29,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:26:29,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:26:29,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:26:29,806 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-11-19 22:26:30,087 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-11-19 22:26:30,097 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:26:30,097 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/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) [2019-11-19 22:26:30,115 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:26:30,115 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:30,135 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:26:30,135 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/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) [2019-11-19 22:26:30,163 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:26:30,163 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/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) [2019-11-19 22:26:30,200 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 22:26:30,200 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:30,284 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 22:26:30,287 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:26:30,287 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:26:30,287 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:26:30,288 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:26:30,288 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:26:30,288 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:30,288 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:26:30,288 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:26:30,288 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2019-11-19 22:26:30,288 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:26:30,288 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:26:30,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:26:30,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:26:30,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:26:30,481 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-11-19 22:26:30,752 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2019-11-19 22:26:30,758 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:26:30,763 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/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) [2019-11-19 22:26:30,781 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 [2019-11-19 22:26:30,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:26:30,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:30,785 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-19 22:26:30,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:30,857 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2019-11-19 22:26:30,858 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-11-19 22:26:30,917 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/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) [2019-11-19 22:26:30,935 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 [2019-11-19 22:26:30,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:26:30,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:30,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:30,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:30,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:26:30,940 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:26:30,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:30,943 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/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) [2019-11-19 22:26:30,961 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 [2019-11-19 22:26:30,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:26:30,963 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:30,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:30,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:30,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:26:30,966 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:26:30,967 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 [2019-11-19 22:26:30,969 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 22:26:30,972 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/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) [2019-11-19 22:26:30,988 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 [2019-11-19 22:26:30,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:26:30,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:30,992 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-19 22:26:30,992 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:31,054 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2019-11-19 22:26:31,055 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2019-11-19 22:26:31,138 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/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) [2019-11-19 22:26:31,154 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 [2019-11-19 22:26:31,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:26:31,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:31,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:31,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:31,158 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 22:26:31,159 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 22:26:31,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:31,162 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/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) [2019-11-19 22:26:31,180 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 [2019-11-19 22:26:31,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:26:31,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:31,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:31,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:31,184 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 22:26:31,185 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 22:26:31,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:31,188 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 22:26:31,190 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:31,205 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 [2019-11-19 22:26:31,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:26:31,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:31,209 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-19 22:26:31,209 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:31,303 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2019-11-19 22:26:31,303 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-11-19 22:26:31,407 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:31,425 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 [2019-11-19 22:26:31,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:26:31,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:31,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:31,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:31,429 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 22:26:31,433 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 22:26:31,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:31,436 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:31,447 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 [2019-11-19 22:26:31,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:26:31,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:31,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:31,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:31,451 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 22:26:31,452 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 22:26:31,453 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:26:31,455 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 22:26:31,458 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:31,467 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 [2019-11-19 22:26:31,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:26:31,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:31,471 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-19 22:26:31,471 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 22:26:31,555 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2019-11-19 22:26:31,555 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2019-11-19 22:26:31,678 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:31,694 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 [2019-11-19 22:26:31,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:26:31,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:31,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:31,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:31,699 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 22:26:31,701 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 22:26:31,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:26:31,704 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:31,722 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 [2019-11-19 22:26:31,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:26:31,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:31,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:31,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:31,726 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 22:26:31,727 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 22:26:31,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:26:31,731 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 22:26:31,733 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/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) [2019-11-19 22:26:31,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:26:31,750 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 22:26:31,751 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 22:26:31,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:31,751 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-19 22:26:31,751 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:31,798 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2019-11-19 22:26:31,798 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2019-11-19 22:26:31,894 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:31,911 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 [2019-11-19 22:26:31,915 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 22:26:31,915 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 22:26:31,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:31,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:31,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:31,916 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 22:26:31,917 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 22:26:31,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:31,921 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/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) [2019-11-19 22:26:31,942 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 [2019-11-19 22:26:31,944 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 22:26:31,944 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 22:26:31,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:31,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:31,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:31,945 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:31,947 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 22:26:31,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:26:31,950 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 22:26:31,953 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:31,967 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 [2019-11-19 22:26:31,970 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 22:26:31,970 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-19 22:26:31,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:31,971 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-19 22:26:31,971 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 22:26:32,064 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2019-11-19 22:26:32,064 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-11-19 22:26:32,302 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:32,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:26:32,321 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 22:26:32,321 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-19 22:26:32,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:32,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:32,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:32,322 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 22:26:32,323 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 22:26:32,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:26:32,338 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:32,348 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 [2019-11-19 22:26:32,351 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 22:26:32,351 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-19 22:26:32,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:32,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:32,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:32,352 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 22:26:32,353 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 22:26:32,353 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:32,357 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 22:26:32,359 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:32,365 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 [2019-11-19 22:26:32,368 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 22:26:32,368 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 22:26:32,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:32,368 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-19 22:26:32,368 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:32,447 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2019-11-19 22:26:32,447 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2019-11-19 22:26:32,606 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:32,622 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 [2019-11-19 22:26:32,625 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 22:26:32,626 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 22:26:32,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:32,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:32,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:32,626 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 22:26:32,628 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 22:26:32,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:32,634 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:32,646 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 [2019-11-19 22:26:32,649 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 22:26:32,649 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 22:26:32,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:32,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:32,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:32,650 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 22:26:32,652 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 22:26:32,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:32,658 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 22:26:32,660 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:32,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:32,673 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 22:26:32,673 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 22:26:32,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:32,673 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-19 22:26:32,674 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 22:26:32,724 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2019-11-19 22:26:32,724 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-11-19 22:26:32,923 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:32,943 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 [2019-11-19 22:26:32,945 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 22:26:32,945 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 22:26:32,945 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:32,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:32,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:32,946 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 22:26:32,947 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 22:26:32,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:32,950 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:32,958 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 [2019-11-19 22:26:32,960 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 22:26:32,961 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 22:26:32,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:32,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:32,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:32,961 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 22:26:32,962 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 22:26:32,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:32,965 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 22:26:32,967 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:32,973 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 [2019-11-19 22:26:32,975 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 22:26:32,975 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 22:26:32,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:32,976 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-19 22:26:32,976 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:33,042 INFO L401 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2019-11-19 22:26:33,043 INFO L402 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2019-11-19 22:26:33,314 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:33,323 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 [2019-11-19 22:26:33,325 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 22:26:33,325 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 22:26:33,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:33,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:33,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:33,326 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-19 22:26:33,327 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:26:33,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:33,331 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:33,340 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 [2019-11-19 22:26:33,342 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 22:26:33,342 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 22:26:33,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:33,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:33,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:33,343 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-19 22:26:33,344 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:26:33,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:33,349 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 22:26:33,351 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-11-19 22:26:33,351 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2019-11-19 22:26:33,351 INFO L796 eck$LassoCheckResult]: Loop: 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2019-11-19 22:26:33,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:26:33,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2019-11-19 22:26:33,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:26:33,353 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396679553] [2019-11-19 22:26:33,353 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:26:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:26:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:26:33,374 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:26:33,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:26:33,375 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2019-11-19 22:26:33,375 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:26:33,375 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799895031] [2019-11-19 22:26:33,376 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:26:33,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:26:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:26:33,402 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:26:33,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:26:33,403 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2019-11-19 22:26:33,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:26:33,403 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672969110] [2019-11-19 22:26:33,404 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:26:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:26:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:26:33,465 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:26:33,531 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:26:33,531 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:26:33,531 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:26:33,531 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:26:33,532 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 22:26:33,532 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:33,532 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:26:33,532 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:26:33,532 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2019-11-19 22:26:33,532 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:26:33,533 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:26:33,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:26:33,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:26:33,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:26:33,697 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-11-19 22:26:33,930 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2019-11-19 22:26:33,932 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:26:33,932 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:33,942 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:26:33,942 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 22:26:33,950 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:26:33,950 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:33,959 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:26:33,959 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:33,963 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:26:33,963 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:33,970 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:26:33,970 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:33,982 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 22:26:33,982 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:34,041 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 22:26:34,044 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:26:34,044 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:26:34,044 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:26:34,044 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:26:34,044 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:26:34,044 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:34,044 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:26:34,044 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:26:34,045 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2019-11-19 22:26:34,045 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:26:34,045 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:26:34,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:26:34,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:26:34,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:26:34,189 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-11-19 22:26:34,372 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-11-19 22:26:34,373 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:26:34,374 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:34,383 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 [2019-11-19 22:26:34,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:26:34,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:34,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:34,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:34,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:26:34,386 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:26:34,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:34,388 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:34,398 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:26:34,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:26:34,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:34,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:34,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:34,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:26:34,400 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:26:34,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:34,402 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:34,409 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 [2019-11-19 22:26:34,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:26:34,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:34,411 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-19 22:26:34,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:34,437 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2019-11-19 22:26:34,437 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-11-19 22:26:34,490 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 22:26:34,492 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:34,496 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 [2019-11-19 22:26:34,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:26:34,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:34,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:34,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:34,498 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 22:26:34,498 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 22:26:34,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:26:34,500 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:34,510 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 [2019-11-19 22:26:34,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:26:34,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:34,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:34,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:34,512 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 22:26:34,513 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 22:26:34,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:26:34,515 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:34,526 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 [2019-11-19 22:26:34,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:26:34,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:34,529 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-19 22:26:34,529 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:34,568 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2019-11-19 22:26:34,569 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2019-11-19 22:26:34,642 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 22:26:34,644 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:34,650 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:26:34,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:26:34,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:34,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:34,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:34,654 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 22:26:34,655 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 22:26:34,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:34,658 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:34,666 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 [2019-11-19 22:26:34,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:26:34,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:34,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:34,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:34,669 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 22:26:34,670 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 22:26:34,670 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:34,673 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:34,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:26:34,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:26:34,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:34,683 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-19 22:26:34,683 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 22:26:34,737 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2019-11-19 22:26:34,740 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-11-19 22:26:34,840 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 22:26:34,843 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:34,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:26:34,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:26:34,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:34,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:34,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:34,854 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 22:26:34,855 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 22:26:34,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:34,857 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:34,864 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 [2019-11-19 22:26:34,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:26:34,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:34,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:34,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:34,867 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 22:26:34,868 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 22:26:34,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:34,871 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:34,877 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 [2019-11-19 22:26:34,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:26:34,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:34,880 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-19 22:26:34,880 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:34,940 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2019-11-19 22:26:34,940 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2019-11-19 22:26:35,045 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 22:26:35,048 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:35,052 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 [2019-11-19 22:26:35,053 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 22:26:35,053 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 22:26:35,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:35,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:35,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:35,054 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 22:26:35,055 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 22:26:35,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:26:35,057 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:35,062 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 [2019-11-19 22:26:35,063 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 22:26:35,063 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 22:26:35,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:35,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:35,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:35,064 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 22:26:35,065 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 22:26:35,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:26:35,067 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:35,110 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 [2019-11-19 22:26:35,113 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 22:26:35,113 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 22:26:35,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:35,113 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-19 22:26:35,113 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 22:26:35,151 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2019-11-19 22:26:35,151 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2019-11-19 22:26:35,318 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 22:26:35,320 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:35,324 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 [2019-11-19 22:26:35,326 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 22:26:35,326 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-19 22:26:35,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:35,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:35,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:35,326 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 22:26:35,327 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 22:26:35,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:26:35,334 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:35,347 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 [2019-11-19 22:26:35,350 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 22:26:35,351 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-19 22:26:35,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:35,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:35,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:35,351 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 22:26:35,352 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 22:26:35,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:26:35,358 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:35,365 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 [2019-11-19 22:26:35,368 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 22:26:35,368 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-19 22:26:35,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:35,369 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-19 22:26:35,369 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:35,410 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2019-11-19 22:26:35,410 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-11-19 22:26:35,536 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 22:26:35,538 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:35,542 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 [2019-11-19 22:26:35,545 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 22:26:35,545 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 22:26:35,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:35,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:35,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:35,546 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 22:26:35,547 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 22:26:35,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:35,552 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:35,563 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 [2019-11-19 22:26:35,565 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 22:26:35,566 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 22:26:35,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:35,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:35,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:35,566 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 22:26:35,568 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 22:26:35,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:35,573 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:35,580 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 [2019-11-19 22:26:35,583 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 22:26:35,583 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 22:26:35,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:35,583 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-19 22:26:35,583 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:35,631 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2019-11-19 22:26:35,632 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2019-11-19 22:26:35,969 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 22:26:35,972 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:35,975 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 [2019-11-19 22:26:35,977 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 22:26:35,977 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 22:26:35,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:35,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:35,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:35,977 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 22:26:35,979 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 22:26:35,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:26:35,981 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:35,995 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 [2019-11-19 22:26:35,996 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 22:26:35,997 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 22:26:35,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:35,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:35,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:35,997 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 22:26:35,998 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 22:26:35,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:36,000 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:36,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:36,012 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 22:26:36,012 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 22:26:36,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:36,013 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-19 22:26:36,013 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 22:26:36,051 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2019-11-19 22:26:36,052 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-11-19 22:26:36,216 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 22:26:36,218 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:36,221 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 [2019-11-19 22:26:36,223 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 22:26:36,223 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 22:26:36,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:36,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:36,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:36,223 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-19 22:26:36,224 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:26:36,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:26:36,226 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:36,231 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 [2019-11-19 22:26:36,234 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 22:26:36,234 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 22:26:36,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:36,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:36,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:36,235 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-19 22:26:36,236 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:26:36,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:26:36,238 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6f0ad55-31a2-402e-b209-efe239f05cd3/bin/uautomizer/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:36,243 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 [2019-11-19 22:26:36,245 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 22:26:36,245 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 22:26:36,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:36,245 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-19 22:26:36,245 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-19 22:26:36,299 INFO L401 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2019-11-19 22:26:36,299 INFO L402 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2019-11-19 22:26:36,617 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 22:26:36,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:26:36 BoogieIcfgContainer [2019-11-19 22:26:36,624 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 22:26:36,624 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:26:36,624 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:26:36,625 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:26:36,625 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:26:29" (3/4) ... [2019-11-19 22:26:36,627 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 22:26:36,628 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:26:36,629 INFO L168 Benchmark]: Toolchain (without parser) took 8126.86 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 274.2 MB). Free memory was 950.1 MB in the beginning and 1.0 GB in the end (delta: -99.9 MB). Peak memory consumption was 174.3 MB. Max. memory is 11.5 GB. [2019-11-19 22:26:36,629 INFO L168 Benchmark]: CDTParser took 0.32 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. [2019-11-19 22:26:36,630 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -145.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:26:36,630 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.14 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. [2019-11-19 22:26:36,630 INFO L168 Benchmark]: Boogie Preprocessor took 20.90 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. [2019-11-19 22:26:36,631 INFO L168 Benchmark]: RCFGBuilder took 280.29 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: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2019-11-19 22:26:36,631 INFO L168 Benchmark]: BuchiAutomizer took 7495.33 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 168.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 28.6 MB). Peak memory consumption was 430.3 MB. Max. memory is 11.5 GB. [2019-11-19 22:26:36,632 INFO L168 Benchmark]: Witness Printer took 3.25 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:26:36,634 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 288.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -145.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.14 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 20.90 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. * RCFGBuilder took 280.29 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: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7495.33 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 168.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 28.6 MB). Peak memory consumption was 430.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.25 ms. Allocated memory is still 1.3 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.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 7.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital49 mio100 ax100 hnf95 lsp100 ukn100 mio100 lsp100 div261 bol100 ite111 ukn100 eq135 hnf58 smp88 dnf215 smp78 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 377ms VariablesStem: 2 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 3 SupportingInvariants: 18 MotzkinApplications: 90 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2;" "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2);" Loop: "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2);" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...