./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/terminator_02-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_e052ad63-4d9b-451b-99db-60f9be941cf2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/terminator_02-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/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 32bit --witnessprinter.graph.data.programhash a06ba721ade3e36e091d6046e7f548a6b0c91e10 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 03:45:23,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:45:23,135 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:45:23,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:45:23,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:45:23,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:45:23,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:45:23,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:45:23,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:45:23,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:45:23,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:45:23,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:45:23,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:45:23,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:45:23,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:45:23,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:45:23,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:45:23,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:45:23,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:45:23,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:45:23,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:45:23,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:45:23,192 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:45:23,193 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:45:23,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:45:23,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:45:23,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:45:23,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:45:23,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:45:23,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:45:23,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:45:23,200 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:45:23,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:45:23,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:45:23,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:45:23,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:45:23,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:45:23,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:45:23,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:45:23,204 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:45:23,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:45:23,206 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 03:45:23,233 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:45:23,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:45:23,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:45:23,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:45:23,237 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 03:45:23,237 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 03:45:23,237 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 03:45:23,237 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 03:45:23,238 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 03:45:23,238 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 03:45:23,239 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 03:45:23,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:45:23,239 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 03:45:23,239 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 03:45:23,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:45:23,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 03:45:23,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:45:23,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 03:45:23,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 03:45:23,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 03:45:23,241 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 03:45:23,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:45:23,241 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 03:45:23,241 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:45:23,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 03:45:23,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:45:23,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 03:45:23,242 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 03:45:23,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:45:23,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 03:45:23,243 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 03:45:23,244 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 03:45:23,244 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_e052ad63-4d9b-451b-99db-60f9be941cf2/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a06ba721ade3e36e091d6046e7f548a6b0c91e10 [2019-11-20 03:45:23,409 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:45:23,426 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:45:23,429 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:45:23,431 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:45:23,431 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:45:23,432 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/bin/uautomizer/../../sv-benchmarks/c/loops/terminator_02-2.c [2019-11-20 03:45:23,489 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/bin/uautomizer/data/76b698914/98d97c195b8f4310b132bb0755550e17/FLAGb190297bf [2019-11-20 03:45:23,849 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:45:23,850 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/sv-benchmarks/c/loops/terminator_02-2.c [2019-11-20 03:45:23,855 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/bin/uautomizer/data/76b698914/98d97c195b8f4310b132bb0755550e17/FLAGb190297bf [2019-11-20 03:45:24,235 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/bin/uautomizer/data/76b698914/98d97c195b8f4310b132bb0755550e17 [2019-11-20 03:45:24,237 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:45:24,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:45:24,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:45:24,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:45:24,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:45:24,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:45:24" (1/1) ... [2019-11-20 03:45:24,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79037fb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:45:24, skipping insertion in model container [2019-11-20 03:45:24,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:45:24" (1/1) ... [2019-11-20 03:45:24,253 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:45:24,272 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:45:24,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:45:24,436 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:45:24,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:45:24,531 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:45:24,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:45:24 WrapperNode [2019-11-20 03:45:24,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:45:24,534 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:45:24,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:45:24,534 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:45:24,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:45:24" (1/1) ... [2019-11-20 03:45:24,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:45:24" (1/1) ... [2019-11-20 03:45:24,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:45:24,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:45:24,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:45:24,564 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:45:24,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:45:24" (1/1) ... [2019-11-20 03:45:24,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:45:24" (1/1) ... [2019-11-20 03:45:24,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:45:24" (1/1) ... [2019-11-20 03:45:24,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:45:24" (1/1) ... [2019-11-20 03:45:24,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:45:24" (1/1) ... [2019-11-20 03:45:24,579 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:45:24" (1/1) ... [2019-11-20 03:45:24,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:45:24" (1/1) ... [2019-11-20 03:45:24,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:45:24,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:45:24,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:45:24,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:45:24,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:45:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:24,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:45:24,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:45:24,822 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:45:24,822 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 03:45:24,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:45:24 BoogieIcfgContainer [2019-11-20 03:45:24,823 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:45:24,824 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 03:45:24,824 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 03:45:24,826 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 03:45:24,827 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:45:24,827 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 03:45:24" (1/3) ... [2019-11-20 03:45:24,828 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@509d0ecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 03:45:24, skipping insertion in model container [2019-11-20 03:45:24,828 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:45:24,828 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:45:24" (2/3) ... [2019-11-20 03:45:24,829 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@509d0ecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 03:45:24, skipping insertion in model container [2019-11-20 03:45:24,829 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:45:24,829 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:45:24" (3/3) ... [2019-11-20 03:45:24,830 INFO L371 chiAutomizerObserver]: Analyzing ICFG terminator_02-2.c [2019-11-20 03:45:24,877 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 03:45:24,877 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 03:45:24,877 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 03:45:24,877 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 03:45:24,878 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 03:45:24,878 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 03:45:24,878 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 03:45:24,878 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 03:45:24,890 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-20 03:45:24,909 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 03:45:24,909 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:45:24,909 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:45:24,915 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 03:45:24,915 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 03:45:24,915 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 03:45:24,915 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-20 03:45:24,917 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 03:45:24,917 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:45:24,917 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:45:24,917 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 03:45:24,917 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 03:45:24,925 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~post4, main_#t~post5, main_#t~post6, main_~tmp~0, main_~x~0, main_~z~0;main_~x~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 5#L17true assume !!(main_~x~0 > -100); 6#L18true assume !!(main_~x~0 < 200); 7#L19true assume !!(main_~z~0 > 100); 9#L20true assume !!(main_~z~0 < 200); 11#L24-2true [2019-11-20 03:45:24,925 INFO L796 eck$LassoCheckResult]: Loop: 11#L24-2true assume !!(main_~x~0 < 100 && main_~z~0 > 100);main_~tmp~0 := main_#t~nondet3;havoc main_#t~nondet3; 14#L24true assume 0 != main_~tmp~0 % 256;main_#t~post4 := main_~x~0;main_~x~0 := 1 + main_#t~post4;havoc main_#t~post4; 11#L24-2true [2019-11-20 03:45:24,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:45:24,931 INFO L82 PathProgramCache]: Analyzing trace with hash 29742506, now seen corresponding path program 1 times [2019-11-20 03:45:24,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:45:24,940 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248012850] [2019-11-20 03:45:24,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:45:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:45:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:45:25,018 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:45:25,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:45:25,019 INFO L82 PathProgramCache]: Analyzing trace with hash 1924, now seen corresponding path program 1 times [2019-11-20 03:45:25,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:45:25,020 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271770718] [2019-11-20 03:45:25,020 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:45:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:45:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:45:25,035 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:45:25,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:45:25,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1482221843, now seen corresponding path program 1 times [2019-11-20 03:45:25,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:45:25,036 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923735007] [2019-11-20 03:45:25,036 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:45:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:45:25,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:45:25,051 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:45:25,127 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:45:25,127 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:45:25,127 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:45:25,128 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:45:25,128 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 03:45:25,128 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:25,128 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:45:25,128 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:45:25,128 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_02-2.c_Iteration1_Loop [2019-11-20 03:45:25,128 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:45:25,129 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:45:25,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:25,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:25,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:25,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:25,329 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 03:45:25,330 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:25,336 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:45:25,336 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 03:45:25,355 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 03:45:25,356 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~tmp~0=-217, ULTIMATE.start_main_#t~nondet3=-217} Honda state: {ULTIMATE.start_main_~tmp~0=-217, ULTIMATE.start_main_#t~nondet3=-217} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:25,372 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:45:25,372 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 03:45:25,376 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 03:45:25,376 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post4=0} Honda state: {ULTIMATE.start_main_#t~post4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:25,389 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:45:25,389 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 03:45:25,398 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 03:45:25,398 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0=101} Honda state: {ULTIMATE.start_main_~z~0=101} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:45:25,412 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:45:25,413 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:45:25,431 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 03:45:25,431 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:25,440 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 03:45:25,443 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:45:25,443 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:45:25,443 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:45:25,443 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:45:25,443 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 03:45:25,443 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:25,443 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:45:25,444 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:45:25,444 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_02-2.c_Iteration1_Loop [2019-11-20 03:45:25,444 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:45:25,444 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:45:25,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:25,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:25,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:25,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:25,561 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 03:45:25,566 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:25,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:45:25,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:45:25,583 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:45:25,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:45:25,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:45:25,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:45:25,589 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:45:25,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:45:25,593 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:45:25,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:45:25,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:45:25,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:45:25,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:45:25,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:45:25,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:45:25,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:45:25,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:25,612 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:25,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:45:25,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:45:25,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:45:25,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:45:25,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:45:25,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:45:25,632 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:45:25,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:45:25,636 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:25,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:45:25,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:45:25,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:45:25,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:45:25,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:45:25,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:45:25,661 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:45:25,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:45:25,664 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 03:45:25,668 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 03:45:25,668 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/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) [2019-11-20 03:45:25,687 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 03:45:25,687 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 03:45:25,688 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 03:45:25,688 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~x~0 + 199 Supporting invariants [] Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:25,693 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-20 03:45:25,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:45:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:45:25,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 03:45:25,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:45:25,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:45:25,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 03:45:25,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:45:25,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:45:25,784 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 03:45:25,785 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 3 states. [2019-11-20 03:45:25,850 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 3 states. Result 42 states and 55 transitions. Complement of second has 8 states. [2019-11-20 03:45:25,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 03:45:25,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 03:45:25,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 29 transitions. [2019-11-20 03:45:25,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-20 03:45:25,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:45:25,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-20 03:45:25,859 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:45:25,859 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 5 letters. Loop has 4 letters. [2019-11-20 03:45:25,859 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:45:25,860 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 55 transitions. [2019-11-20 03:45:25,868 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 03:45:25,873 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 11 states and 14 transitions. [2019-11-20 03:45:25,875 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-11-20 03:45:25,875 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-11-20 03:45:25,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2019-11-20 03:45:25,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:45:25,876 INFO L688 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-11-20 03:45:25,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2019-11-20 03:45:25,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-11-20 03:45:25,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-20 03:45:25,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2019-11-20 03:45:25,898 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-11-20 03:45:25,898 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-11-20 03:45:25,898 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 03:45:25,898 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2019-11-20 03:45:25,898 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 03:45:25,899 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:45:25,899 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:45:25,899 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:45:25,899 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 03:45:25,899 INFO L794 eck$LassoCheckResult]: Stem: 105#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~post4, main_#t~post5, main_#t~post6, main_~tmp~0, main_~x~0, main_~z~0;main_~x~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 106#L17 assume !!(main_~x~0 > -100); 112#L18 assume !!(main_~x~0 < 200); 113#L19 assume !!(main_~z~0 > 100); 114#L20 assume !!(main_~z~0 < 200); 115#L24-2 assume !!(main_~x~0 < 100 && main_~z~0 > 100);main_~tmp~0 := main_#t~nondet3;havoc main_#t~nondet3; 111#L24 assume !(0 != main_~tmp~0 % 256);main_#t~post5 := main_~x~0;main_~x~0 := main_#t~post5 - 1;havoc main_#t~post5;main_#t~post6 := main_~z~0;main_~z~0 := main_#t~post6 - 1;havoc main_#t~post6; 107#L24-2 [2019-11-20 03:45:25,899 INFO L796 eck$LassoCheckResult]: Loop: 107#L24-2 assume !!(main_~x~0 < 100 && main_~z~0 > 100);main_~tmp~0 := main_#t~nondet3;havoc main_#t~nondet3; 108#L24 assume 0 != main_~tmp~0 % 256;main_#t~post4 := main_~x~0;main_~x~0 := 1 + main_#t~post4;havoc main_#t~post4; 107#L24-2 [2019-11-20 03:45:25,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:45:25,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1482221841, now seen corresponding path program 1 times [2019-11-20 03:45:25,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:45:25,900 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633850621] [2019-11-20 03:45:25,900 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:45:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:45:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:45:25,914 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:45:25,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:45:25,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1924, now seen corresponding path program 2 times [2019-11-20 03:45:25,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:45:25,915 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945556139] [2019-11-20 03:45:25,915 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:45:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:45:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:45:25,929 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:45:25,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:45:25,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1513954034, now seen corresponding path program 1 times [2019-11-20 03:45:25,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:45:25,935 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372268415] [2019-11-20 03:45:25,935 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:45:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:45:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:45:25,962 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:45:25,992 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:45:25,993 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:45:25,993 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:45:25,993 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:45:25,993 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 03:45:25,993 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:25,993 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:45:25,993 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:45:25,994 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_02-2.c_Iteration2_Loop [2019-11-20 03:45:25,994 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:45:25,994 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:45:25,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:25,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:26,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:26,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:26,123 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 03:45:26,123 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:45:26,135 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:45:26,136 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:26,140 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 03:45:26,140 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0=101} Honda state: {ULTIMATE.start_main_~z~0=101} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/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) [2019-11-20 03:45:26,154 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:45:26,154 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:26,170 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 03:45:26,170 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~tmp~0=128, ULTIMATE.start_main_#t~nondet3=128} Honda state: {ULTIMATE.start_main_~tmp~0=128, ULTIMATE.start_main_#t~nondet3=128} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:45:26,184 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:45:26,184 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:26,188 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 03:45:26,188 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post4=0} Honda state: {ULTIMATE.start_main_#t~post4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:45:26,202 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:45:26,202 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/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) [2019-11-20 03:45:26,220 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 03:45:26,220 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 03:45:26,229 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:26,231 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:45:26,231 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:45:26,231 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:45:26,232 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:45:26,232 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 03:45:26,232 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:26,232 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:45:26,232 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:45:26,232 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_02-2.c_Iteration2_Loop [2019-11-20 03:45:26,232 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:45:26,232 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:45:26,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:26,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:26,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:26,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:26,360 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 03:45:26,360 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/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) [2019-11-20 03:45:26,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:45:26,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:45:26,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:45:26,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:45:26,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:45:26,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:45:26,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:45:26,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:26,377 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/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) [2019-11-20 03:45:26,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:45:26,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:45:26,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:45:26,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:45:26,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:45:26,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:45:26,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:45:26,388 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 [2019-11-20 03:45:26,393 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:26,406 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:45:26,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:45:26,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:45:26,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:45:26,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:45:26,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:45:26,413 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:45:26,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:45:26,421 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:26,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:45:26,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:45:26,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:45:26,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:45:26,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:45:26,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:45:26,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:45:26,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:45:26,440 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 03:45:26,443 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 03:45:26,443 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:26,448 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 03:45:26,448 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 03:45:26,448 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 03:45:26,449 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~x~0 + 199 Supporting invariants [] [2019-11-20 03:45:26,453 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-20 03:45:26,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:45:26,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:45:26,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 03:45:26,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:45:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:45:26,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 03:45:26,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:45:26,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:45:26,519 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 03:45:26,520 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-20 03:45:26,536 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 15 states and 20 transitions. Complement of second has 5 states. [2019-11-20 03:45:26,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 03:45:26,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 03:45:26,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2019-11-20 03:45:26,538 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-20 03:45:26,538 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:45:26,538 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 9 letters. Loop has 2 letters. [2019-11-20 03:45:26,539 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:45:26,539 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 7 letters. Loop has 4 letters. [2019-11-20 03:45:26,539 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:45:26,539 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 20 transitions. [2019-11-20 03:45:26,540 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 03:45:26,541 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 20 transitions. [2019-11-20 03:45:26,541 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-20 03:45:26,541 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-20 03:45:26,541 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2019-11-20 03:45:26,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:45:26,542 INFO L688 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2019-11-20 03:45:26,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2019-11-20 03:45:26,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-11-20 03:45:26,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-20 03:45:26,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2019-11-20 03:45:26,544 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2019-11-20 03:45:26,544 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2019-11-20 03:45:26,544 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 03:45:26,544 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2019-11-20 03:45:26,545 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 03:45:26,546 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:45:26,546 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:45:26,548 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2019-11-20 03:45:26,548 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 03:45:26,548 INFO L794 eck$LassoCheckResult]: Stem: 179#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~post4, main_#t~post5, main_#t~post6, main_~tmp~0, main_~x~0, main_~z~0;main_~x~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 180#L17 assume !!(main_~x~0 > -100); 186#L18 assume !!(main_~x~0 < 200); 187#L19 assume !!(main_~z~0 > 100); 189#L20 assume !!(main_~z~0 < 200); 190#L24-2 assume !!(main_~x~0 < 100 && main_~z~0 > 100);main_~tmp~0 := main_#t~nondet3;havoc main_#t~nondet3; 185#L24 assume !(0 != main_~tmp~0 % 256);main_#t~post5 := main_~x~0;main_~x~0 := main_#t~post5 - 1;havoc main_#t~post5;main_#t~post6 := main_~z~0;main_~z~0 := main_#t~post6 - 1;havoc main_#t~post6; 188#L24-2 assume !!(main_~x~0 < 100 && main_~z~0 > 100);main_~tmp~0 := main_#t~nondet3;havoc main_#t~nondet3; 191#L24 assume !(0 != main_~tmp~0 % 256);main_#t~post5 := main_~x~0;main_~x~0 := main_#t~post5 - 1;havoc main_#t~post5;main_#t~post6 := main_~z~0;main_~z~0 := main_#t~post6 - 1;havoc main_#t~post6; 181#L24-2 [2019-11-20 03:45:26,548 INFO L796 eck$LassoCheckResult]: Loop: 181#L24-2 assume !!(main_~x~0 < 100 && main_~z~0 > 100);main_~tmp~0 := main_#t~nondet3;havoc main_#t~nondet3; 182#L24 assume 0 != main_~tmp~0 % 256;main_#t~post4 := main_~x~0;main_~x~0 := 1 + main_#t~post4;havoc main_#t~post4; 181#L24-2 [2019-11-20 03:45:26,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:45:26,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1513954036, now seen corresponding path program 2 times [2019-11-20 03:45:26,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:45:26,549 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386210355] [2019-11-20 03:45:26,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:45:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:45:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:45:26,582 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:45:26,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:45:26,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1924, now seen corresponding path program 3 times [2019-11-20 03:45:26,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:45:26,583 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068661720] [2019-11-20 03:45:26,583 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:45:26,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:45:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:45:26,606 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:45:26,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:45:26,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1084083785, now seen corresponding path program 2 times [2019-11-20 03:45:26,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:45:26,607 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306040254] [2019-11-20 03:45:26,607 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:45:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:45:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:45:26,639 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:45:26,677 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:45:26,678 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:45:26,678 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:45:26,678 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:45:26,678 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 03:45:26,678 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:26,678 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:45:26,678 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:45:26,679 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_02-2.c_Iteration3_Loop [2019-11-20 03:45:26,679 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:45:26,679 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:45:26,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:26,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:26,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:26,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:26,796 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 03:45:26,796 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:26,826 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:45:26,826 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 03:45:26,830 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 03:45:26,830 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0=101} Honda state: {ULTIMATE.start_main_~z~0=101} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/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) [2019-11-20 03:45:26,845 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:45:26,846 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/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) [2019-11-20 03:45:26,888 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 03:45:26,888 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:26,902 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 03:45:26,904 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:45:26,904 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:45:26,904 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:45:26,904 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:45:26,905 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 03:45:26,905 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:26,905 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:45:26,905 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:45:26,905 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_02-2.c_Iteration3_Loop [2019-11-20 03:45:26,905 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:45:26,905 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:45:26,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:26,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:26,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:26,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:27,027 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 03:45:27,027 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/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) [2019-11-20 03:45:27,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:45:27,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:45:27,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:45:27,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:45:27,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:45:27,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:27,039 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:45:27,039 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:45:27,040 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:27,044 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:45:27,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:45:27,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:45:27,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:45:27,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:45:27,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:45:27,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:45:27,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:45:27,053 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 03:45:27,062 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 03:45:27,062 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:45:27,067 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 03:45:27,067 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 03:45:27,067 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 03:45:27,067 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~x~0 + 199 Supporting invariants [] [2019-11-20 03:45:27,069 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:27,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:45:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:45:27,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 03:45:27,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:45:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:45:27,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 03:45:27,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:45:27,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:45:27,125 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 03:45:27,125 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-11-20 03:45:27,141 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 17 states and 24 transitions. Complement of second has 5 states. [2019-11-20 03:45:27,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 03:45:27,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 03:45:27,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2019-11-20 03:45:27,143 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 9 letters. Loop has 2 letters. [2019-11-20 03:45:27,144 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:45:27,144 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 03:45:27,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:45:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:45:27,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 03:45:27,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:45:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:45:27,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 03:45:27,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:45:27,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:45:27,189 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 03:45:27,189 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-11-20 03:45:27,200 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 17 states and 24 transitions. Complement of second has 5 states. [2019-11-20 03:45:27,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 03:45:27,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 03:45:27,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2019-11-20 03:45:27,201 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 9 letters. Loop has 2 letters. [2019-11-20 03:45:27,201 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:45:27,201 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 03:45:27,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:45:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:45:27,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 03:45:27,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:45:27,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:45:27,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 03:45:27,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:45:27,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:45:27,245 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 03:45:27,245 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-11-20 03:45:27,256 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 19 states and 27 transitions. Complement of second has 4 states. [2019-11-20 03:45:27,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 03:45:27,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 03:45:27,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2019-11-20 03:45:27,257 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 9 letters. Loop has 2 letters. [2019-11-20 03:45:27,257 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:45:27,258 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 11 letters. Loop has 2 letters. [2019-11-20 03:45:27,258 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:45:27,258 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 9 letters. Loop has 4 letters. [2019-11-20 03:45:27,258 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:45:27,259 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 27 transitions. [2019-11-20 03:45:27,260 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 03:45:27,260 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 17 states and 23 transitions. [2019-11-20 03:45:27,260 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-11-20 03:45:27,260 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-20 03:45:27,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2019-11-20 03:45:27,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:45:27,261 INFO L688 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2019-11-20 03:45:27,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2019-11-20 03:45:27,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 9. [2019-11-20 03:45:27,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-20 03:45:27,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2019-11-20 03:45:27,262 INFO L711 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2019-11-20 03:45:27,262 INFO L591 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2019-11-20 03:45:27,262 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 03:45:27,263 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2019-11-20 03:45:27,263 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 03:45:27,263 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:45:27,263 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:45:27,264 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 03:45:27,264 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 03:45:27,264 INFO L794 eck$LassoCheckResult]: Stem: 378#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~post4, main_#t~post5, main_#t~post6, main_~tmp~0, main_~x~0, main_~z~0;main_~x~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 379#L17 assume !!(main_~x~0 > -100); 384#L18 assume !!(main_~x~0 < 200); 385#L19 assume !!(main_~z~0 > 100); 386#L20 assume !!(main_~z~0 < 200); 380#L24-2 [2019-11-20 03:45:27,264 INFO L796 eck$LassoCheckResult]: Loop: 380#L24-2 assume !!(main_~x~0 < 100 && main_~z~0 > 100);main_~tmp~0 := main_#t~nondet3;havoc main_#t~nondet3; 382#L24 assume !(0 != main_~tmp~0 % 256);main_#t~post5 := main_~x~0;main_~x~0 := main_#t~post5 - 1;havoc main_#t~post5;main_#t~post6 := main_~z~0;main_~z~0 := main_#t~post6 - 1;havoc main_#t~post6; 380#L24-2 [2019-11-20 03:45:27,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:45:27,264 INFO L82 PathProgramCache]: Analyzing trace with hash 29742506, now seen corresponding path program 2 times [2019-11-20 03:45:27,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:45:27,265 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782149996] [2019-11-20 03:45:27,265 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:45:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:45:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:45:27,270 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:45:27,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:45:27,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2019-11-20 03:45:27,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:45:27,271 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780039378] [2019-11-20 03:45:27,271 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:45:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:45:27,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:45:27,278 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:45:27,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:45:27,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1482221841, now seen corresponding path program 3 times [2019-11-20 03:45:27,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:45:27,278 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821398395] [2019-11-20 03:45:27,279 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:45:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:45:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:45:27,287 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:45:27,321 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:45:27,321 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:45:27,321 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:45:27,321 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:45:27,321 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 03:45:27,321 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:27,321 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:45:27,322 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:45:27,322 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_02-2.c_Iteration4_Loop [2019-11-20 03:45:27,322 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:45:27,322 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:45:27,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:27,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:27,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:27,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:27,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:27,440 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 03:45:27,440 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:45:27,454 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:45:27,454 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:27,459 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 03:45:27,459 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post6=0} Honda state: {ULTIMATE.start_main_#t~post6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/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) [2019-11-20 03:45:27,465 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:45:27,465 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:27,469 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 03:45:27,469 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post5=0} Honda state: {ULTIMATE.start_main_#t~post5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/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) [2019-11-20 03:45:27,475 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:45:27,476 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:27,486 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 03:45:27,486 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~tmp~0=0, ULTIMATE.start_main_#t~nondet3=0} Honda state: {ULTIMATE.start_main_~tmp~0=0, ULTIMATE.start_main_#t~nondet3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/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) [2019-11-20 03:45:27,492 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:45:27,492 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/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) [2019-11-20 03:45:27,502 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 03:45:27,502 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:27,511 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 03:45:27,513 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:45:27,513 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:45:27,513 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:45:27,513 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:45:27,513 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 03:45:27,513 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:27,513 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:45:27,513 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:45:27,514 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_02-2.c_Iteration4_Loop [2019-11-20 03:45:27,514 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:45:27,514 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:45:27,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:27,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:27,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:27,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:27,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:45:27,614 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 03:45:27,614 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/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) [2019-11-20 03:45:27,620 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:45:27,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:45:27,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:45:27,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:45:27,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:45:27,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:45:27,624 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:45:27,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:27,626 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/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) [2019-11-20 03:45:27,634 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:45:27,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:45:27,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:45:27,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:45:27,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:45:27,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:45:27,637 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:45:27,637 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:27,639 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/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) [2019-11-20 03:45:27,650 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 [2019-11-20 03:45:27,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:45:27,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:45:27,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:45:27,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:45:27,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:45:27,654 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:45:27,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:27,657 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 03:45:27,659 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2019-11-20 03:45:27,659 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e052ad63-4d9b-451b-99db-60f9be941cf2/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) [2019-11-20 03:45:27,663 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 03:45:27,663 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 03:45:27,663 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 03:45:27,663 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0) = 1*ULTIMATE.start_main_~z~0 Supporting invariants [] [2019-11-20 03:45:27,666 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:45:27,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:45:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:45:27,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 03:45:27,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:45:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:45:27,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 03:45:27,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:45:27,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:45:27,706 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 03:45:27,706 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 11 transitions. cyclomatic complexity: 3 Second operand 3 states. [2019-11-20 03:45:27,717 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 11 transitions. cyclomatic complexity: 3. Second operand 3 states. Result 15 states and 21 transitions. Complement of second has 4 states. [2019-11-20 03:45:27,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 03:45:27,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 03:45:27,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2019-11-20 03:45:27,718 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-20 03:45:27,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:45:27,719 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-20 03:45:27,719 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:45:27,719 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 4 letters. [2019-11-20 03:45:27,719 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:45:27,719 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 21 transitions. [2019-11-20 03:45:27,720 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 03:45:27,720 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2019-11-20 03:45:27,720 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 03:45:27,720 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 03:45:27,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 03:45:27,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 03:45:27,721 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:45:27,721 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:45:27,721 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:45:27,721 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-20 03:45:27,721 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 03:45:27,721 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 03:45:27,721 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 03:45:27,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 03:45:27 BoogieIcfgContainer [2019-11-20 03:45:27,726 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 03:45:27,727 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:45:27,727 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:45:27,727 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:45:27,727 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:45:24" (3/4) ... [2019-11-20 03:45:27,730 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 03:45:27,730 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:45:27,732 INFO L168 Benchmark]: Toolchain (without parser) took 3493.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.1 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -100.5 MB). Peak memory consumption was 95.6 MB. Max. memory is 11.5 GB. [2019-11-20 03:45:27,733 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:45:27,734 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.1 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -242.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-20 03:45:27,734 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:45:27,735 INFO L168 Benchmark]: Boogie Preprocessor took 18.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-20 03:45:27,735 INFO L168 Benchmark]: RCFGBuilder took 241.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-20 03:45:27,736 INFO L168 Benchmark]: BuchiAutomizer took 2902.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 122.0 MB). Peak memory consumption was 122.0 MB. Max. memory is 11.5 GB. [2019-11-20 03:45:27,736 INFO L168 Benchmark]: Witness Printer took 3.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:45:27,741 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 294.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.1 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -242.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 241.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2902.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 122.0 MB). Peak memory consumption was 122.0 MB. Max. memory is 11.5 GB. * Witness Printer took 3.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (0 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -2 * x + 199 and consists of 5 locations. One deterministic module has affine ranking function -2 * x + 199 and consists of 3 locations. One deterministic module has affine ranking function z and consists of 3 locations. One nondeterministic module has affine ranking function -2 * x + 199 and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 15 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 54 SDtfs, 53 SDslu, 11 SDs, 0 SdLazy, 42 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax100 hnf100 lsp47 ukn100 mio100 lsp100 div444 bol100 ite100 ukn100 eq150 hnf48 smp82 dnf100 smp100 tf106 neg97 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 10 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...