./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec2_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec2_product32.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/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 1ce3ea2e188fd0be186a6acc6b1f5b17e2df2a3a ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 11:22:25,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:22:25,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:22:25,150 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:22:25,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:22:25,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:22:25,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:22:25,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:22:25,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:22:25,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:22:25,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:22:25,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:22:25,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:22:25,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:22:25,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:22:25,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:22:25,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:22:25,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:22:25,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:22:25,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:22:25,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:22:25,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:22:25,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:22:25,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:22:25,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:22:25,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:22:25,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:22:25,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:22:25,168 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:22:25,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:22:25,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:22:25,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:22:25,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:22:25,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:22:25,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:22:25,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:22:25,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:22:25,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:22:25,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:22:25,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:22:25,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:22:25,173 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 11:22:25,184 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:22:25,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:22:25,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:22:25,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:22:25,185 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 11:22:25,186 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 11:22:25,186 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 11:22:25,186 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 11:22:25,186 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 11:22:25,186 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 11:22:25,186 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 11:22:25,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:22:25,187 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:22:25,187 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 11:22:25,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:22:25,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:22:25,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:22:25,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 11:22:25,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 11:22:25,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 11:22:25,188 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:22:25,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:22:25,188 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 11:22:25,188 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:22:25,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 11:22:25,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:22:25,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:22:25,189 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 11:22:25,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:22:25,189 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 11:22:25,189 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:22:25,189 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 11:22:25,190 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 11:22:25,190 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_54b8b97a-7c3a-4f0f-97c3-a64481292606/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 -> 1ce3ea2e188fd0be186a6acc6b1f5b17e2df2a3a [2019-12-07 11:22:25,292 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:22:25,300 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:22:25,302 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:22:25,303 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:22:25,303 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:22:25,304 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/../../sv-benchmarks/c/product-lines/elevator_spec2_product32.cil.c [2019-12-07 11:22:25,339 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/data/f661ef80f/46941a8da49c4831badee49b0a66afb4/FLAG5c287007b [2019-12-07 11:22:25,872 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:22:25,872 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/sv-benchmarks/c/product-lines/elevator_spec2_product32.cil.c [2019-12-07 11:22:25,886 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/data/f661ef80f/46941a8da49c4831badee49b0a66afb4/FLAG5c287007b [2019-12-07 11:22:26,321 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/data/f661ef80f/46941a8da49c4831badee49b0a66afb4 [2019-12-07 11:22:26,323 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:22:26,324 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:22:26,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:22:26,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:22:26,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:22:26,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:22:26" (1/1) ... [2019-12-07 11:22:26,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51f9858b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:22:26, skipping insertion in model container [2019-12-07 11:22:26,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:22:26" (1/1) ... [2019-12-07 11:22:26,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:22:26,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:22:26,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:22:26,751 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:22:26,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:22:26,869 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:22:26,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:22:26 WrapperNode [2019-12-07 11:22:26,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:22:26,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:22:26,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:22:26,870 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:22:26,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:22:26" (1/1) ... [2019-12-07 11:22:26,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:22:26" (1/1) ... [2019-12-07 11:22:27,078 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:22:27,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:22:27,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:22:27,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:22:27,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:22:26" (1/1) ... [2019-12-07 11:22:27,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:22:26" (1/1) ... [2019-12-07 11:22:27,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:22:26" (1/1) ... [2019-12-07 11:22:27,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:22:26" (1/1) ... [2019-12-07 11:22:27,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:22:26" (1/1) ... [2019-12-07 11:22:27,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:22:26" (1/1) ... [2019-12-07 11:22:27,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:22:26" (1/1) ... [2019-12-07 11:22:27,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:22:27,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:22:27,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:22:27,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:22:27,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:22:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:22:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 11:22:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:22:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:22:34,183 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:22:34,184 INFO L287 CfgBuilder]: Removed 1709 assume(true) statements. [2019-12-07 11:22:34,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:22:34 BoogieIcfgContainer [2019-12-07 11:22:34,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:22:34,188 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 11:22:34,188 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 11:22:34,190 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 11:22:34,191 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:22:34,191 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 11:22:26" (1/3) ... [2019-12-07 11:22:34,192 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ffd4852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 11:22:34, skipping insertion in model container [2019-12-07 11:22:34,192 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:22:34,192 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:22:26" (2/3) ... [2019-12-07 11:22:34,192 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ffd4852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 11:22:34, skipping insertion in model container [2019-12-07 11:22:34,193 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:22:34,193 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:22:34" (3/3) ... [2019-12-07 11:22:34,194 INFO L371 chiAutomizerObserver]: Analyzing ICFG elevator_spec2_product32.cil.c [2019-12-07 11:22:34,231 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 11:22:34,232 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 11:22:34,232 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 11:22:34,232 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:22:34,232 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:22:34,232 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 11:22:34,232 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:22:34,233 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 11:22:34,311 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7183 states. [2019-12-07 11:22:34,421 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3581 [2019-12-07 11:22:34,421 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:22:34,422 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:22:34,436 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:22:34,436 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:22:34,436 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 11:22:34,436 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7183 states. [2019-12-07 11:22:34,489 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3581 [2019-12-07 11:22:34,489 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:22:34,489 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:22:34,493 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:22:34,494 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:22:34,499 INFO L794 eck$LassoCheckResult]: Stem: 1624#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(21);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(30);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(9);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(25);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(10);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string125.base, #t~string125.offset, 1);call write~init~int(95, #t~string125.base, 1 + #t~string125.offset, 1);call write~init~int(93, #t~string125.base, 2 + #t~string125.offset, 1);call write~init~int(0, #t~string125.base, 3 + #t~string125.offset, 1);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string127.base, #t~string127.offset, 1);call write~init~int(93, #t~string127.base, 1 + #t~string127.offset, 1);call write~init~int(32, #t~string127.base, 2 + #t~string127.offset, 1);call write~init~int(0, #t~string127.base, 3 + #t~string127.offset, 1);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string129.base, #t~string129.offset, 1);call write~init~int(97, #t~string129.base, 1 + #t~string129.offset, 1);call write~init~int(116, #t~string129.base, 2 + #t~string129.offset, 1);call write~init~int(32, #t~string129.base, 3 + #t~string129.offset, 1);call write~init~int(0, #t~string129.base, 4 + #t~string129.offset, 1);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string131.base, #t~string131.offset, 1);call write~init~int(105, #t~string131.base, 1 + #t~string131.offset, 1);call write~init~int(0, #t~string131.base, 2 + #t~string131.offset, 1);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(10);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string135.base, #t~string135.offset, 1);call write~init~int(112, #t~string135.base, 1 + #t~string135.offset, 1);call write~init~int(0, #t~string135.base, 2 + #t~string135.offset, 1);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string137.base, #t~string137.offset, 1);call write~init~int(111, #t~string137.base, 1 + #t~string137.offset, 1);call write~init~int(119, #t~string137.base, 2 + #t~string137.offset, 1);call write~init~int(110, #t~string137.base, 3 + #t~string137.offset, 1);call write~init~int(0, #t~string137.base, 4 + #t~string137.offset, 1);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string139.base, #t~string139.offset, 1);call write~init~int(73, #t~string139.base, 1 + #t~string139.offset, 1);call write~init~int(76, #t~string139.base, 2 + #t~string139.offset, 1);call write~init~int(95, #t~string139.base, 3 + #t~string139.offset, 1);call write~init~int(112, #t~string139.base, 4 + #t~string139.offset, 1);call write~init~int(58, #t~string139.base, 5 + #t~string139.offset, 1);call write~init~int(0, #t~string139.base, 6 + #t~string139.offset, 1);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string141.base, #t~string141.offset, 1);call write~init~int(37, #t~string141.base, 1 + #t~string141.offset, 1);call write~init~int(105, #t~string141.base, 2 + #t~string141.offset, 1);call write~init~int(0, #t~string141.base, 3 + #t~string141.offset, 1);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string143.base, #t~string143.offset, 1);call write~init~int(37, #t~string143.base, 1 + #t~string143.offset, 1);call write~init~int(105, #t~string143.base, 2 + #t~string143.offset, 1);call write~init~int(0, #t~string143.base, 3 + #t~string143.offset, 1);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string145.base, #t~string145.offset, 1);call write~init~int(37, #t~string145.base, 1 + #t~string145.offset, 1);call write~init~int(105, #t~string145.base, 2 + #t~string145.offset, 1);call write~init~int(0, #t~string145.base, 3 + #t~string145.offset, 1);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string147.base, #t~string147.offset, 1);call write~init~int(37, #t~string147.base, 1 + #t~string147.offset, 1);call write~init~int(105, #t~string147.base, 2 + #t~string147.offset, 1);call write~init~int(0, #t~string147.base, 3 + #t~string147.offset, 1);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string149.base, #t~string149.offset, 1);call write~init~int(37, #t~string149.base, 1 + #t~string149.offset, 1);call write~init~int(105, #t~string149.base, 2 + #t~string149.offset, 1);call write~init~int(0, #t~string149.base, 3 + #t~string149.offset, 1);call #t~string151.base, #t~string151.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string151.base, #t~string151.offset, 1);call write~init~int(70, #t~string151.base, 1 + #t~string151.offset, 1);call write~init~int(95, #t~string151.base, 2 + #t~string151.offset, 1);call write~init~int(112, #t~string151.base, 3 + #t~string151.offset, 1);call write~init~int(58, #t~string151.base, 4 + #t~string151.offset, 1);call write~init~int(0, #t~string151.base, 5 + #t~string151.offset, 1);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string154.base, #t~string154.offset, 1);call write~init~int(37, #t~string154.base, 1 + #t~string154.offset, 1);call write~init~int(105, #t~string154.base, 2 + #t~string154.offset, 1);call write~init~int(0, #t~string154.base, 3 + #t~string154.offset, 1);call #t~string157.base, #t~string157.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string157.base, #t~string157.offset, 1);call write~init~int(37, #t~string157.base, 1 + #t~string157.offset, 1);call write~init~int(105, #t~string157.base, 2 + #t~string157.offset, 1);call write~init~int(0, #t~string157.base, 3 + #t~string157.offset, 1);call #t~string160.base, #t~string160.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string160.base, #t~string160.offset, 1);call write~init~int(37, #t~string160.base, 1 + #t~string160.offset, 1);call write~init~int(105, #t~string160.base, 2 + #t~string160.offset, 1);call write~init~int(0, #t~string160.base, 3 + #t~string160.offset, 1);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string163.base, #t~string163.offset, 1);call write~init~int(37, #t~string163.base, 1 + #t~string163.offset, 1);call write~init~int(105, #t~string163.base, 2 + #t~string163.offset, 1);call write~init~int(0, #t~string163.base, 3 + #t~string163.offset, 1);call #t~string166.base, #t~string166.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string166.base, #t~string166.offset, 1);call write~init~int(37, #t~string166.base, 1 + #t~string166.offset, 1);call write~init~int(105, #t~string166.base, 2 + #t~string166.offset, 1);call write~init~int(0, #t~string166.base, 3 + #t~string166.offset, 1);call #t~string168.base, #t~string168.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string168.base, #t~string168.offset, 1);call write~init~int(0, #t~string168.base, 1 + #t~string168.offset, 1);call #t~string171.base, #t~string171.offset := #Ultimate.allocOnStack(9);~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0; 6476#L-1true havoc main_#res;havoc main_#t~ret61, main_~retValue_acc~12, main_~tmp~14;havoc main_~retValue_acc~12;havoc main_~tmp~14; 1219#L1286true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 1047#L1294true main_#t~ret61 := valid_product_#res;main_~tmp~14 := main_#t~ret61;havoc main_#t~ret61; 1661#L1868true assume 0 != main_~tmp~14; 396#L1843true ~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 1074#L60true havoc bigMacCall_#t~ret54, bigMacCall_~tmp~11;havoc bigMacCall_~tmp~11;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~9;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~9; 873#L1456true assume 0 == getOrigin_~person;getOrigin_~retValue_acc~9 := 4;getOrigin_#res := getOrigin_~retValue_acc~9; 58#L1481true bigMacCall_#t~ret54 := getOrigin_#res;bigMacCall_~tmp~11 := bigMacCall_#t~ret54;havoc bigMacCall_#t~ret54;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~11;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 1030#L587true assume 0 == initPersonOnFloor_~floor; 1009#L588true assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 4450#L695-1true callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 5809#L379true assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 6096#L391-2true havoc cleanup_#t~ret55, cleanup_#t~ret56, cleanup_~i~2, cleanup_~tmp~12, cleanup_~tmp___0~3, cleanup_~__cil_tmp4~2;havoc cleanup_~i~2;havoc cleanup_~tmp~12;havoc cleanup_~tmp___0~3;havoc cleanup_~__cil_tmp4~2;havoc timeShift_#t~ret122, timeShift_~tmp~29;havoc timeShift_~tmp~29;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~15;havoc areDoorsOpen_~retValue_acc~15;areDoorsOpen_~retValue_acc~15 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~15; 6222#L2149true timeShift_#t~ret122 := areDoorsOpen_#res;timeShift_~tmp~29 := timeShift_#t~ret122;havoc timeShift_#t~ret122; 4574#L3159true assume 0 != timeShift_~tmp~29; 4640#L3160true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 4719#L2805-11true havoc __utac_acc__Specification2_spec__3_#t~ret0, __utac_acc__Specification2_spec__3_#t~ret1, __utac_acc__Specification2_spec__3_#t~ret2, __utac_acc__Specification2_spec__3_#t~ret3, __utac_acc__Specification2_spec__3_#t~ret4, __utac_acc__Specification2_spec__3_#t~ret5, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~0, __utac_acc__Specification2_spec__3_~tmp___0~0, __utac_acc__Specification2_spec__3_~tmp___1~0, __utac_acc__Specification2_spec__3_~tmp___2~0, __utac_acc__Specification2_spec__3_~tmp___3~0, __utac_acc__Specification2_spec__3_~tmp___4~0;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~0;havoc __utac_acc__Specification2_spec__3_~tmp___0~0;havoc __utac_acc__Specification2_spec__3_~tmp___1~0;havoc __utac_acc__Specification2_spec__3_~tmp___2~0;havoc __utac_acc__Specification2_spec__3_~tmp___3~0;havoc __utac_acc__Specification2_spec__3_~tmp___4~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~14;havoc getCurrentFloorID_~retValue_acc~14;getCurrentFloorID_~retValue_acc~14 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~14; 5770#L2140-10true __utac_acc__Specification2_spec__3_#t~ret0 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~0 := __utac_acc__Specification2_spec__3_#t~ret0;havoc __utac_acc__Specification2_spec__3_#t~ret0;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~0; 1712#L105true assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 1692#L106true assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~15;havoc areDoorsOpen_~retValue_acc~15;areDoorsOpen_~retValue_acc~15 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~15; 6213#L2149-1true __utac_acc__Specification2_spec__3_#t~ret1 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~0 := __utac_acc__Specification2_spec__3_#t~ret1;havoc __utac_acc__Specification2_spec__3_#t~ret1; 1633#L110true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0;~floorButtons_spc2_0~0 := 0; 4641#L165true cleanup_~i~2 := 0; 2242#L1675-2true [2019-12-07 11:22:34,499 INFO L796 eck$LassoCheckResult]: Loop: 2242#L1675-2true assume !false; 2357#L1676true cleanup_~__cil_tmp4~2 := ~cleanupTimeShifts~0 - 1; 2192#L1679true assume cleanup_~i~2 < cleanup_~__cil_tmp4~2;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~13;havoc isBlocked_~retValue_acc~13;isBlocked_~retValue_acc~13 := ~blocked~0;isBlocked_#res := isBlocked_~retValue_acc~13; 5839#L1963true cleanup_#t~ret55 := isBlocked_#res;cleanup_~tmp___0~3 := cleanup_#t~ret55;havoc cleanup_#t~ret55; 2831#L1683true assume 1 != cleanup_~tmp___0~3; 2833#L1683-1true havoc isIdle_#res;havoc isIdle_#t~ret70, isIdle_~retValue_acc~20, isIdle_~tmp~19;havoc isIdle_~retValue_acc~20;havoc isIdle_~tmp~19;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret65, anyStopRequested_#t~ret66, anyStopRequested_#t~ret67, anyStopRequested_#t~ret68, anyStopRequested_#t~ret69, anyStopRequested_~retValue_acc~19, anyStopRequested_~tmp~18, anyStopRequested_~tmp___0~5, anyStopRequested_~tmp___1~4, anyStopRequested_~tmp___2~2, anyStopRequested_~tmp___3~1;havoc anyStopRequested_~retValue_acc~19;havoc anyStopRequested_~tmp~18;havoc anyStopRequested_~tmp___0~5;havoc anyStopRequested_~tmp___1~4;havoc anyStopRequested_~tmp___2~2;havoc anyStopRequested_~tmp___3~1;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 5298#L316-130true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 4364#L343-130true anyStopRequested_#t~ret65 := isFloorCalling_#res;anyStopRequested_~tmp___3~1 := anyStopRequested_#t~ret65;havoc anyStopRequested_#t~ret65; 4831#L2248true assume 0 != anyStopRequested_~tmp___3~1;anyStopRequested_~retValue_acc~19 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~19; 6000#L2312true isIdle_#t~ret70 := anyStopRequested_#res;isIdle_~tmp~19 := isIdle_#t~ret70;havoc isIdle_#t~ret70;isIdle_~retValue_acc~20 := (if 0 == isIdle_~tmp~19 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~20; 6118#L2325true cleanup_#t~ret56 := isIdle_#res;cleanup_~tmp~12 := cleanup_#t~ret56;havoc cleanup_#t~ret56; 1648#L1695true assume !(0 != cleanup_~tmp~12);havoc timeShift_#t~ret122, timeShift_~tmp~29;havoc timeShift_~tmp~29;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~15;havoc areDoorsOpen_~retValue_acc~15;areDoorsOpen_~retValue_acc~15 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~15; 6218#L2149-6true timeShift_#t~ret122 := areDoorsOpen_#res;timeShift_~tmp~29 := timeShift_#t~ret122;havoc timeShift_#t~ret122; 4578#L3159-1true assume 0 != timeShift_~tmp~29; 4642#L3160-2true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 4608#L2805-23true havoc __utac_acc__Specification2_spec__3_#t~ret0, __utac_acc__Specification2_spec__3_#t~ret1, __utac_acc__Specification2_spec__3_#t~ret2, __utac_acc__Specification2_spec__3_#t~ret3, __utac_acc__Specification2_spec__3_#t~ret4, __utac_acc__Specification2_spec__3_#t~ret5, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~0, __utac_acc__Specification2_spec__3_~tmp___0~0, __utac_acc__Specification2_spec__3_~tmp___1~0, __utac_acc__Specification2_spec__3_~tmp___2~0, __utac_acc__Specification2_spec__3_~tmp___3~0, __utac_acc__Specification2_spec__3_~tmp___4~0;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~0;havoc __utac_acc__Specification2_spec__3_~tmp___0~0;havoc __utac_acc__Specification2_spec__3_~tmp___1~0;havoc __utac_acc__Specification2_spec__3_~tmp___2~0;havoc __utac_acc__Specification2_spec__3_~tmp___3~0;havoc __utac_acc__Specification2_spec__3_~tmp___4~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~14;havoc getCurrentFloorID_~retValue_acc~14;getCurrentFloorID_~retValue_acc~14 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~14; 5807#L2140-21true __utac_acc__Specification2_spec__3_#t~ret0 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~0 := __utac_acc__Specification2_spec__3_#t~ret0;havoc __utac_acc__Specification2_spec__3_#t~ret0;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~0; 1710#L105-1true assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 1666#L106-1true assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~15;havoc areDoorsOpen_~retValue_acc~15;areDoorsOpen_~retValue_acc~15 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~15; 6204#L2149-7true __utac_acc__Specification2_spec__3_#t~ret1 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~0 := __utac_acc__Specification2_spec__3_#t~ret1;havoc __utac_acc__Specification2_spec__3_#t~ret1; 1627#L110-2true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0;~floorButtons_spc2_0~0 := 0; 4643#L165-1true cleanup_~i~2 := 1 + cleanup_~i~2; 2242#L1675-2true [2019-12-07 11:22:34,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:22:34,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1561602685, now seen corresponding path program 1 times [2019-12-07 11:22:34,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:22:34,511 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615973989] [2019-12-07 11:22:34,512 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:22:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:22:34,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:22:34,741 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615973989] [2019-12-07 11:22:34,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:22:34,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:22:34,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239037416] [2019-12-07 11:22:34,748 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 11:22:34,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:22:34,748 INFO L82 PathProgramCache]: Analyzing trace with hash -760732559, now seen corresponding path program 1 times [2019-12-07 11:22:34,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:22:34,748 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459945969] [2019-12-07 11:22:34,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:22:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:22:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:22:34,797 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:22:34,936 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-12-07 11:22:35,011 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:22:35,012 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:22:35,012 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:22:35,012 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:22:35,012 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 11:22:35,012 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:35,012 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:22:35,012 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:22:35,013 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product32.cil.c_Iteration1_Loop [2019-12-07 11:22:35,013 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:22:35,013 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:22:35,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:35,385 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:22:35,385 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:35,390 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:22:35,390 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:22:35,395 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:22:35,396 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_anyStopRequested_~tmp___1~4=0} Honda state: {ULTIMATE.start_anyStopRequested_~tmp___1~4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:35,400 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:22:35,401 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:22:35,408 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:22:35,408 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_areDoorsOpen_#res=-2, ULTIMATE.start_timeShift_~tmp~29=-2, ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___4~0=-2, ~doorState~0=-2, ULTIMATE.start_areDoorsOpen_~retValue_acc~15=-2} Honda state: {ULTIMATE.start_areDoorsOpen_#res=-2, ULTIMATE.start_timeShift_~tmp~29=-2, ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___4~0=-2, ~doorState~0=-2, ULTIMATE.start_areDoorsOpen_~retValue_acc~15=-2} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:35,413 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:22:35,413 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:22:35,416 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:22:35,416 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_timeShift_#t~ret122=0} Honda state: {ULTIMATE.start_timeShift_#t~ret122=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:35,423 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:22:35,423 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:22:35,426 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:22:35,426 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___2~0=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___2~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:35,430 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:22:35,430 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:35,441 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 11:22:35,441 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:22:47,457 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-12-07 11:22:47,460 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:22:47,460 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:22:47,460 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:22:47,460 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:22:47,460 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 11:22:47,460 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:47,460 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:22:47,460 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:22:47,461 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product32.cil.c_Iteration1_Loop [2019-12-07 11:22:47,461 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:22:47,461 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:22:47,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:22:47,793 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:22:47,797 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:47,800 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:22:47,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:22:47,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:22:47,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:22:47,803 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 11:22:47,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:22:47,807 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:22:47,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:22:47,811 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:47,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:22:47,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:22:47,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:22:47,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:22:47,818 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 11:22:47,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:22:47,820 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:22:47,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:22:47,825 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:47,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:22:47,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:22:47,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:22:47,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:22:47,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:22:47,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:22:47,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:22:47,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:22:47,832 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:47,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:22:47,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:22:47,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:22:47,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:22:47,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:22:47,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:22:47,838 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:22:47,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:22:47,839 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:47,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:22:47,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:22:47,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:22:47,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:22:47,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:22:47,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:22:47,845 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:22:47,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:22:47,846 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:47,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:22:47,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:22:47,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:22:47,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:22:47,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:22:47,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:22:47,915 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:22:47,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:22:47,917 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:47,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:22:47,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:22:47,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:22:47,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:22:47,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:22:47,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:22:47,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:22:47,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:22:47,925 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:47,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:22:47,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:22:47,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:22:47,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:22:47,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:22:47,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:22:47,932 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:22:47,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:22:47,933 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:47,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:22:47,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:22:47,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:22:47,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:22:47,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:22:47,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:22:47,939 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:22:47,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:22:47,941 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:47,945 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:22:47,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:22:47,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:22:47,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:22:47,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:22:47,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:22:47,948 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:22:47,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:22:47,950 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:47,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:22:47,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:22:47,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:22:47,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:22:47,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:22:47,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:22:47,957 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:22:47,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:22:47,959 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:47,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:22:47,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:22:47,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:22:47,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:22:47,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:22:47,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:22:47,966 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:22:47,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:22:47,968 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:47,972 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:22:47,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:22:47,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:22:47,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:22:47,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:22:47,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:22:47,974 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:22:47,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:22:47,975 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:47,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:22:47,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:22:47,980 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:22:47,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:22:47,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:22:47,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:22:47,981 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:22:47,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:22:47,982 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/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 [2019-12-07 11:22:47,985 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:22:47,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:22:47,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:22:47,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:22:47,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:22:47,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:22:47,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:22:47,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:22:47,991 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:47,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:22:47,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:22:47,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:22:47,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:22:47,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:22:47,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:22:47,997 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:22:47,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:22:47,998 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:48,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:22:48,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:22:48,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:22:48,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:22:48,003 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 11:22:48,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:22:48,004 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:22:48,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:22:48,006 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:48,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:22:48,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:22:48,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:22:48,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:22:48,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:22:48,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:22:48,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:22:48,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:22:48,013 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/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 [2019-12-07 11:22:48,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:22:48,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:22:48,018 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:22:48,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:22:48,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:22:48,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:22:48,019 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:22:48,019 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:22:48,020 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/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) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:48,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:22:48,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:22:48,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:22:48,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:22:48,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:22:48,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:22:48,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:22:48,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:22:48,027 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/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) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:48,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:22:48,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:22:48,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:22:48,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:22:48,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:22:48,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:22:48,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:22:48,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:22:48,035 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:48,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:22:48,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:22:48,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:22:48,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:22:48,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:22:48,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:22:48,043 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:22:48,043 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:22:48,044 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:48,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:22:48,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:22:48,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:22:48,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:22:48,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:22:48,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:22:48,050 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:22:48,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:22:48,052 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:48,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:22:48,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:22:48,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:22:48,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:22:48,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:22:48,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:22:48,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:22:48,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:22:48,058 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:48,062 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:22:48,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:22:48,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:22:48,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:22:48,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:22:48,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:22:48,063 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:22:48,064 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:22:48,065 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:48,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:22:48,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:22:48,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:22:48,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:22:48,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:22:48,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:22:48,071 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:22:48,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:22:48,072 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/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) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:48,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:22:48,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:22:48,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:22:48,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:22:48,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:22:48,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:22:48,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:22:48,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:22:48,081 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/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) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:48,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:22:48,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:22:48,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:22:48,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:22:48,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:22:48,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:22:48,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:22:48,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:22:48,088 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 11:22:48,091 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 11:22:48,091 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54b8b97a-7c3a-4f0f-97c3-a64481292606/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) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:22:48,094 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 11:22:48,094 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 11:22:48,094 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 11:22:48,095 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(~cleanupTimeShifts~0, ULTIMATE.start_cleanup_~i~2) = 1*~cleanupTimeShifts~0 - 1*ULTIMATE.start_cleanup_~i~2 Supporting invariants [] [2019-12-07 11:22:48,098 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 11:22:48,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:22:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:22:48,203 INFO L264 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:22:48,205 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:22:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:22:48,232 INFO L264 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 11:22:48,233 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:22:48,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:22:48,270 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-12-07 11:22:48,271 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7183 states. Second operand 5 states. [2019-12-07 11:22:48,655 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7183 states.. Second operand 5 states. Result 10824 states and 20378 transitions. Complement of second has 9 states. [2019-12-07 11:22:48,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-12-07 11:22:48,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 11:22:48,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 13591 transitions. [2019-12-07 11:22:48,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13591 transitions. Stem has 24 letters. Loop has 22 letters. [2019-12-07 11:22:48,676 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:22:48,677 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13591 transitions. Stem has 46 letters. Loop has 22 letters. [2019-12-07 11:22:48,677 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:22:48,677 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13591 transitions. Stem has 24 letters. Loop has 44 letters. [2019-12-07 11:22:48,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:22:48,678 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10824 states and 20378 transitions. [2019-12-07 11:22:48,778 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 11:22:48,780 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10824 states to 0 states and 0 transitions. [2019-12-07 11:22:48,781 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 11:22:48,781 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 11:22:48,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 11:22:48,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 11:22:48,781 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:22:48,781 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:22:48,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:22:48,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:22:48,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:22:48,785 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-12-07 11:22:48,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:22:48,787 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-12-07 11:22:48,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 11:22:48,787 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-12-07 11:22:48,787 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 11:22:48,787 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 11:22:48,787 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 11:22:48,788 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 11:22:48,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 11:22:48,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 11:22:48,788 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:22:48,788 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:22:48,788 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:22:48,788 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 11:22:48,788 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 11:22:48,788 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 11:22:48,788 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 11:22:48,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 11:22:48 BoogieIcfgContainer [2019-12-07 11:22:48,792 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 11:22:48,792 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:22:48,792 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:22:48,793 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:22:48,793 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:22:34" (3/4) ... [2019-12-07 11:22:48,795 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 11:22:48,795 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:22:48,796 INFO L168 Benchmark]: Toolchain (without parser) took 22472.19 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 967.8 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -137.9 MB). Peak memory consumption was 830.0 MB. Max. memory is 11.5 GB. [2019-12-07 11:22:48,797 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:22:48,797 INFO L168 Benchmark]: CACSL2BoogieTranslator took 545.11 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 962.4 MB in the end (delta: -24.5 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. [2019-12-07 11:22:48,797 INFO L168 Benchmark]: Boogie Procedure Inliner took 207.69 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 887.2 MB in the end (delta: 75.2 MB). Peak memory consumption was 75.2 MB. Max. memory is 11.5 GB. [2019-12-07 11:22:48,798 INFO L168 Benchmark]: Boogie Preprocessor took 295.10 ms. Allocated memory is still 1.0 GB. Free memory was 887.2 MB in the beginning and 812.1 MB in the end (delta: 75.2 MB). Peak memory consumption was 75.2 MB. Max. memory is 11.5 GB. [2019-12-07 11:22:48,798 INFO L168 Benchmark]: RCFGBuilder took 6813.90 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 552.1 MB). Free memory was 812.1 MB in the beginning and 1.2 GB in the end (delta: -430.4 MB). Peak memory consumption was 684.0 MB. Max. memory is 11.5 GB. [2019-12-07 11:22:48,798 INFO L168 Benchmark]: BuchiAutomizer took 14604.70 ms. Allocated memory was 1.6 GB in the beginning and 2.0 GB in the end (delta: 415.8 MB). Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 166.7 MB). Peak memory consumption was 582.5 MB. Max. memory is 11.5 GB. [2019-12-07 11:22:48,799 INFO L168 Benchmark]: Witness Printer took 2.84 ms. Allocated memory is still 2.0 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:22:48,801 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 545.11 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 962.4 MB in the end (delta: -24.5 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 207.69 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 887.2 MB in the end (delta: 75.2 MB). Peak memory consumption was 75.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 295.10 ms. Allocated memory is still 1.0 GB. Free memory was 887.2 MB in the beginning and 812.1 MB in the end (delta: 75.2 MB). Peak memory consumption was 75.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 6813.90 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 552.1 MB). Free memory was 812.1 MB in the beginning and 1.2 GB in the end (delta: -430.4 MB). Peak memory consumption was 684.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 14604.70 ms. Allocated memory was 1.6 GB in the beginning and 2.0 GB in the end (delta: 415.8 MB). Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 166.7 MB). Peak memory consumption was 582.5 MB. Max. memory is 11.5 GB. * Witness Printer took 2.84 ms. Allocated memory is still 2.0 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function cleanupTimeShifts + -1 * i and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 13.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13557 SDtfs, 20326 SDslu, 6795 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital109 mio100 ax100 hnf100 lsp16 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq211 hnf89 smp100 dnf176 smp100 tf103 neg96 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 13ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 12.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...