./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7c67255f-2fcc-40e4-8553-3236f6f8ae5c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7c67255f-2fcc-40e4-8553-3236f6f8ae5c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7c67255f-2fcc-40e4-8553-3236f6f8ae5c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7c67255f-2fcc-40e4-8553-3236f6f8ae5c/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7c67255f-2fcc-40e4-8553-3236f6f8ae5c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7c67255f-2fcc-40e4-8553-3236f6f8ae5c/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 5ece07e091f918f26c76e2a65f38501df262220c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:50:34,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:50:34,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:50:34,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:50:34,140 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:50:34,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:50:34,143 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:50:34,151 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:50:34,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:50:34,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:50:34,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:50:34,161 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:50:34,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:50:34,163 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:50:34,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:50:34,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:50:34,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:50:34,167 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:50:34,169 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:50:34,172 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:50:34,175 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:50:34,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:50:34,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:50:34,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:50:34,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:50:34,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:50:34,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:50:34,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:50:34,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:50:34,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:50:34,185 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:50:34,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:50:34,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:50:34,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:50:34,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:50:34,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:50:34,188 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:50:34,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:50:34,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:50:34,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:50:34,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:50:34,191 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7c67255f-2fcc-40e4-8553-3236f6f8ae5c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:50:34,216 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:50:34,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:50:34,217 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:50:34,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:50:34,217 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:50:34,217 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:50:34,218 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:50:34,218 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:50:34,218 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:50:34,218 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:50:34,218 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:50:34,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:50:34,219 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:50:34,219 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:50:34,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:50:34,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:50:34,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:50:34,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:50:34,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:50:34,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:50:34,220 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:50:34,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:50:34,220 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:50:34,220 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:50:34,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:50:34,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:50:34,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:50:34,221 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:50:34,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:50:34,221 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:50:34,222 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:50:34,222 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:50:34,222 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_7c67255f-2fcc-40e4-8553-3236f6f8ae5c/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 -> 5ece07e091f918f26c76e2a65f38501df262220c [2019-11-25 08:50:34,392 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:50:34,402 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:50:34,405 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:50:34,406 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:50:34,407 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:50:34,407 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7c67255f-2fcc-40e4-8553-3236f6f8ae5c/bin/uautomizer/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c [2019-11-25 08:50:34,461 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7c67255f-2fcc-40e4-8553-3236f6f8ae5c/bin/uautomizer/data/c722c80c6/f344e2d80e2b452ca04304330db2d8c0/FLAG2c8e1aedc [2019-11-25 08:50:34,868 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:50:34,869 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7c67255f-2fcc-40e4-8553-3236f6f8ae5c/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c [2019-11-25 08:50:34,877 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7c67255f-2fcc-40e4-8553-3236f6f8ae5c/bin/uautomizer/data/c722c80c6/f344e2d80e2b452ca04304330db2d8c0/FLAG2c8e1aedc [2019-11-25 08:50:35,264 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7c67255f-2fcc-40e4-8553-3236f6f8ae5c/bin/uautomizer/data/c722c80c6/f344e2d80e2b452ca04304330db2d8c0 [2019-11-25 08:50:35,267 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:50:35,268 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:50:35,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:50:35,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:50:35,282 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:50:35,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:50:35" (1/1) ... [2019-11-25 08:50:35,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c5be6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:35, skipping insertion in model container [2019-11-25 08:50:35,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:50:35" (1/1) ... [2019-11-25 08:50:35,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:50:35,323 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:50:35,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:50:35,616 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:50:35,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:50:35,682 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:50:35,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:35 WrapperNode [2019-11-25 08:50:35,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:50:35,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:50:35,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:50:35,684 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:50:35,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:35" (1/1) ... [2019-11-25 08:50:35,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:35" (1/1) ... [2019-11-25 08:50:35,743 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:50:35,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:50:35,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:50:35,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:50:35,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:35" (1/1) ... [2019-11-25 08:50:35,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:35" (1/1) ... [2019-11-25 08:50:35,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:35" (1/1) ... [2019-11-25 08:50:35,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:35" (1/1) ... [2019-11-25 08:50:35,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:35" (1/1) ... [2019-11-25 08:50:35,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:35" (1/1) ... [2019-11-25 08:50:35,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:35" (1/1) ... [2019-11-25 08:50:35,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:50:35,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:50:35,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:50:35,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:50:35,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c67255f-2fcc-40e4-8553-3236f6f8ae5c/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:50:35,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:50:36,488 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:50:36,489 INFO L284 CfgBuilder]: Removed 19 assume(true) statements. [2019-11-25 08:50:36,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:36 BoogieIcfgContainer [2019-11-25 08:50:36,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:50:36,491 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:50:36,491 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:50:36,494 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:50:36,495 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:50:36,495 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:50:35" (1/3) ... [2019-11-25 08:50:36,496 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a2074ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:50:36, skipping insertion in model container [2019-11-25 08:50:36,496 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:50:36,497 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:35" (2/3) ... [2019-11-25 08:50:36,497 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a2074ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:50:36, skipping insertion in model container [2019-11-25 08:50:36,497 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:50:36,497 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:36" (3/3) ... [2019-11-25 08:50:36,499 INFO L371 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c [2019-11-25 08:50:36,540 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:50:36,540 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:50:36,540 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:50:36,540 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:50:36,541 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:50:36,541 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:50:36,541 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:50:36,541 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:50:36,571 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 94 states. [2019-11-25 08:50:36,595 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 62 [2019-11-25 08:50:36,596 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:50:36,596 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:50:36,603 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-25 08:50:36,603 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] [2019-11-25 08:50:36,604 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:50:36,604 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 94 states. [2019-11-25 08:50:36,610 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 62 [2019-11-25 08:50:36,610 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:50:36,610 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:50:36,612 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-25 08:50:36,612 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] [2019-11-25 08:50:36,618 INFO L794 eck$LassoCheckResult]: Stem: 37#ULTIMATE.startENTRYtrue ~r1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~nomsg~0 := -1;~p1~0 := 0;~send1~0 := 0;~p2~0 := 0;~send2~0 := 0;~p3~0 := 0;~send3~0 := 0;~p4~0 := 0;~send4~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset]; 11#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~ret28, main_#t~ret29, main_#t~post30, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet7;havoc main_#t~nondet7;~id1~0 := main_#t~nondet8;havoc main_#t~nondet8;~st1~0 := main_#t~nondet9;havoc main_#t~nondet9;~send1~0 := main_#t~nondet10;havoc main_#t~nondet10;~mode1~0 := main_#t~nondet11;havoc main_#t~nondet11;~alive1~0 := main_#t~nondet12;havoc main_#t~nondet12;~id2~0 := main_#t~nondet13;havoc main_#t~nondet13;~st2~0 := main_#t~nondet14;havoc main_#t~nondet14;~send2~0 := main_#t~nondet15;havoc main_#t~nondet15;~mode2~0 := main_#t~nondet16;havoc main_#t~nondet16;~alive2~0 := main_#t~nondet17;havoc main_#t~nondet17;~id3~0 := main_#t~nondet18;havoc main_#t~nondet18;~st3~0 := main_#t~nondet19;havoc main_#t~nondet19;~send3~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode3~0 := main_#t~nondet21;havoc main_#t~nondet21;~alive3~0 := main_#t~nondet22;havoc main_#t~nondet22;~id4~0 := main_#t~nondet23;havoc main_#t~nondet23;~st4~0 := main_#t~nondet24;havoc main_#t~nondet24;~send4~0 := main_#t~nondet25;havoc main_#t~nondet25;~mode4~0 := main_#t~nondet26;havoc main_#t~nondet26;~alive4~0 := main_#t~nondet27;havoc main_#t~nondet27;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 82#L244true assume !(0 == ~r1~0);init_~tmp~0 := 0; 80#L244-1true init_#res := init_~tmp~0; 58#L341true main_#t~ret28 := init_#res;main_~i2~0 := main_#t~ret28;havoc main_#t~ret28;assume 0 != main_~i2~0;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;main_~i2~0 := 0; 44#L403-2true [2019-11-25 08:50:36,618 INFO L796 eck$LassoCheckResult]: Loop: 44#L403-2true assume !!(main_~i2~0 < 8);havoc node1_#t~ite0, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 49#L110true assume !(0 != ~mode1~0 % 256); 38#L128true assume !(0 != ~alive1~0 % 256); 10#L128-2true ~mode1~0 := 1; 43#L110-2true havoc node2_#t~ite1, node2_#t~ite2, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 23#L142true assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 78#L145true assume !(node2_~m2~0 != ~nomsg~0); 75#L145-1true ~mode2~0 := 0; 16#L142-2true havoc node3_#t~ite3, node3_#t~ite4, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 26#L176true assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 9#L179true assume !(node3_~m3~0 != ~nomsg~0); 8#L179-1true ~mode3~0 := 0; 50#L176-2true havoc node4_#t~ite5, node4_#t~ite6, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 56#L210true assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 62#L213true assume !(node4_~m4~0 != ~nomsg~0); 34#L213-1true ~mode4~0 := 0; 55#L210-2true ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 65#L349true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1 := 0; 68#L349-1true check_#res := check_~tmp~1; 85#L361true main_#t~ret29 := check_#res;main_~c1~0 := main_#t~ret29;havoc main_#t~ret29;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 74#L430true assume !(0 == assert_~arg % 256); 35#L425true main_#t~post30 := main_~i2~0;main_~i2~0 := 1 + main_#t~post30;havoc main_#t~post30; 44#L403-2true [2019-11-25 08:50:36,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:36,622 INFO L82 PathProgramCache]: Analyzing trace with hash 28832784, now seen corresponding path program 1 times [2019-11-25 08:50:36,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:36,629 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5615985] [2019-11-25 08:50:36,629 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:36,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:36,796 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5615985] [2019-11-25 08:50:36,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:36,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:50:36,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705674854] [2019-11-25 08:50:36,804 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:50:36,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:36,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1227957475, now seen corresponding path program 1 times [2019-11-25 08:50:36,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:36,805 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950870492] [2019-11-25 08:50:36,805 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:36,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:36,959 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950870492] [2019-11-25 08:50:36,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:36,959 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:50:36,959 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706847740] [2019-11-25 08:50:36,961 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-25 08:50:36,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:36,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:50:36,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:50:36,977 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 4 states. [2019-11-25 08:50:37,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:37,059 INFO L93 Difference]: Finished difference Result 96 states and 156 transitions. [2019-11-25 08:50:37,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:50:37,061 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 96 states and 156 transitions. [2019-11-25 08:50:37,065 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 61 [2019-11-25 08:50:37,071 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 96 states to 89 states and 126 transitions. [2019-11-25 08:50:37,072 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 89 [2019-11-25 08:50:37,072 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 89 [2019-11-25 08:50:37,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 126 transitions. [2019-11-25 08:50:37,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:50:37,074 INFO L688 BuchiCegarLoop]: Abstraction has 89 states and 126 transitions. [2019-11-25 08:50:37,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 126 transitions. [2019-11-25 08:50:37,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2019-11-25 08:50:37,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-11-25 08:50:37,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 126 transitions. [2019-11-25 08:50:37,106 INFO L711 BuchiCegarLoop]: Abstraction has 89 states and 126 transitions. [2019-11-25 08:50:37,106 INFO L591 BuchiCegarLoop]: Abstraction has 89 states and 126 transitions. [2019-11-25 08:50:37,106 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:50:37,107 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 89 states and 126 transitions. [2019-11-25 08:50:37,108 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 61 [2019-11-25 08:50:37,109 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:50:37,109 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:50:37,110 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, 1, 1, 1, 1] [2019-11-25 08:50:37,110 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] [2019-11-25 08:50:37,111 INFO L794 eck$LassoCheckResult]: Stem: 263#ULTIMATE.startENTRY ~r1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~nomsg~0 := -1;~p1~0 := 0;~send1~0 := 0;~p2~0 := 0;~send2~0 := 0;~p3~0 := 0;~send3~0 := 0;~p4~0 := 0;~send4~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset]; 223#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~ret28, main_#t~ret29, main_#t~post30, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet7;havoc main_#t~nondet7;~id1~0 := main_#t~nondet8;havoc main_#t~nondet8;~st1~0 := main_#t~nondet9;havoc main_#t~nondet9;~send1~0 := main_#t~nondet10;havoc main_#t~nondet10;~mode1~0 := main_#t~nondet11;havoc main_#t~nondet11;~alive1~0 := main_#t~nondet12;havoc main_#t~nondet12;~id2~0 := main_#t~nondet13;havoc main_#t~nondet13;~st2~0 := main_#t~nondet14;havoc main_#t~nondet14;~send2~0 := main_#t~nondet15;havoc main_#t~nondet15;~mode2~0 := main_#t~nondet16;havoc main_#t~nondet16;~alive2~0 := main_#t~nondet17;havoc main_#t~nondet17;~id3~0 := main_#t~nondet18;havoc main_#t~nondet18;~st3~0 := main_#t~nondet19;havoc main_#t~nondet19;~send3~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode3~0 := main_#t~nondet21;havoc main_#t~nondet21;~alive3~0 := main_#t~nondet22;havoc main_#t~nondet22;~id4~0 := main_#t~nondet23;havoc main_#t~nondet23;~st4~0 := main_#t~nondet24;havoc main_#t~nondet24;~send4~0 := main_#t~nondet25;havoc main_#t~nondet25;~mode4~0 := main_#t~nondet26;havoc main_#t~nondet26;~alive4~0 := main_#t~nondet27;havoc main_#t~nondet27;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 224#L244 assume 0 == ~r1~0; 258#L245 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 >= 1; 259#L246 assume ~id1~0 >= 0; 283#L247 assume 0 == ~st1~0; 239#L248 assume ~send1~0 == ~id1~0; 240#L249 assume 0 == ~mode1~0 % 256; 270#L250 assume ~id2~0 >= 0; 272#L251 assume 0 == ~st2~0; 210#L252 assume ~send2~0 == ~id2~0; 211#L253 assume 0 == ~mode2~0 % 256; 252#L254 assume ~id3~0 >= 0; 225#L255 assume 0 == ~st3~0; 226#L256 assume ~send3~0 == ~id3~0; 264#L257 assume 0 == ~mode3~0 % 256; 284#L258 assume ~id4~0 >= 0; 241#L259 assume 0 == ~st4~0; 242#L260 assume ~send4~0 == ~id4~0; 271#L261 assume 0 == ~mode4~0 % 256; 273#L262 assume ~id1~0 != ~id2~0; 212#L263 assume ~id1~0 != ~id3~0; 213#L264 assume ~id1~0 != ~id4~0; 253#L265 assume ~id2~0 != ~id3~0; 227#L266 assume ~id2~0 != ~id4~0; 228#L267 assume ~id3~0 != ~id4~0;init_~tmp~0 := 1; 265#L244-1 init_#res := init_~tmp~0; 277#L341 main_#t~ret28 := init_#res;main_~i2~0 := main_#t~ret28;havoc main_#t~ret28;assume 0 != main_~i2~0;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;main_~i2~0 := 0; 257#L403-2 [2019-11-25 08:50:37,111 INFO L796 eck$LassoCheckResult]: Loop: 257#L403-2 assume !!(main_~i2~0 < 8);havoc node1_#t~ite0, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 266#L110 assume !(0 != ~mode1~0 % 256); 260#L128 assume !(0 != ~alive1~0 % 256); 221#L128-2 ~mode1~0 := 1; 222#L110-2 havoc node2_#t~ite1, node2_#t~ite2, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 244#L142 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 246#L145 assume !(node2_~m2~0 != ~nomsg~0); 215#L145-1 ~mode2~0 := 0; 234#L142-2 havoc node3_#t~ite3, node3_#t~ite4, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 235#L176 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 219#L179 assume !(node3_~m3~0 != ~nomsg~0); 217#L179-1 ~mode3~0 := 0; 218#L176-2 havoc node4_#t~ite5, node4_#t~ite6, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 269#L210 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 275#L213 assume !(node4_~m4~0 != ~nomsg~0); 237#L213-1 ~mode4~0 := 0; 247#L210-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 274#L349 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1 := 0; 281#L349-1 check_#res := check_~tmp~1; 285#L361 main_#t~ret29 := check_#res;main_~c1~0 := main_#t~ret29;havoc main_#t~ret29;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 290#L430 assume !(0 == assert_~arg % 256); 256#L425 main_#t~post30 := main_~i2~0;main_~i2~0 := 1 + main_#t~post30;havoc main_#t~post30; 257#L403-2 [2019-11-25 08:50:37,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:37,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1386311927, now seen corresponding path program 1 times [2019-11-25 08:50:37,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:37,112 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569775695] [2019-11-25 08:50:37,112 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:37,211 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:50:37,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:37,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1227957475, now seen corresponding path program 2 times [2019-11-25 08:50:37,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:37,212 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93468423] [2019-11-25 08:50:37,213 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:37,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:37,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:37,314 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93468423] [2019-11-25 08:50:37,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:37,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:50:37,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193253153] [2019-11-25 08:50:37,315 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-25 08:50:37,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:37,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:50:37,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:50:37,315 INFO L87 Difference]: Start difference. First operand 89 states and 126 transitions. cyclomatic complexity: 38 Second operand 5 states. [2019-11-25 08:50:37,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:37,389 INFO L93 Difference]: Finished difference Result 92 states and 128 transitions. [2019-11-25 08:50:37,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:50:37,390 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 92 states and 128 transitions. [2019-11-25 08:50:37,392 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 61 [2019-11-25 08:50:37,394 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 92 states to 89 states and 124 transitions. [2019-11-25 08:50:37,394 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 89 [2019-11-25 08:50:37,395 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 89 [2019-11-25 08:50:37,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 124 transitions. [2019-11-25 08:50:37,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:50:37,396 INFO L688 BuchiCegarLoop]: Abstraction has 89 states and 124 transitions. [2019-11-25 08:50:37,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 124 transitions. [2019-11-25 08:50:37,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2019-11-25 08:50:37,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-11-25 08:50:37,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 124 transitions. [2019-11-25 08:50:37,405 INFO L711 BuchiCegarLoop]: Abstraction has 89 states and 124 transitions. [2019-11-25 08:50:37,405 INFO L591 BuchiCegarLoop]: Abstraction has 89 states and 124 transitions. [2019-11-25 08:50:37,405 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-25 08:50:37,405 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 89 states and 124 transitions. [2019-11-25 08:50:37,407 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 61 [2019-11-25 08:50:37,407 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:50:37,407 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:50:37,408 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, 1, 1, 1, 1] [2019-11-25 08:50:37,408 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, 1] [2019-11-25 08:50:37,409 INFO L794 eck$LassoCheckResult]: Stem: 453#ULTIMATE.startENTRY ~r1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~nomsg~0 := -1;~p1~0 := 0;~send1~0 := 0;~p2~0 := 0;~send2~0 := 0;~p3~0 := 0;~send3~0 := 0;~p4~0 := 0;~send4~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset]; 416#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~ret28, main_#t~ret29, main_#t~post30, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet7;havoc main_#t~nondet7;~id1~0 := main_#t~nondet8;havoc main_#t~nondet8;~st1~0 := main_#t~nondet9;havoc main_#t~nondet9;~send1~0 := main_#t~nondet10;havoc main_#t~nondet10;~mode1~0 := main_#t~nondet11;havoc main_#t~nondet11;~alive1~0 := main_#t~nondet12;havoc main_#t~nondet12;~id2~0 := main_#t~nondet13;havoc main_#t~nondet13;~st2~0 := main_#t~nondet14;havoc main_#t~nondet14;~send2~0 := main_#t~nondet15;havoc main_#t~nondet15;~mode2~0 := main_#t~nondet16;havoc main_#t~nondet16;~alive2~0 := main_#t~nondet17;havoc main_#t~nondet17;~id3~0 := main_#t~nondet18;havoc main_#t~nondet18;~st3~0 := main_#t~nondet19;havoc main_#t~nondet19;~send3~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode3~0 := main_#t~nondet21;havoc main_#t~nondet21;~alive3~0 := main_#t~nondet22;havoc main_#t~nondet22;~id4~0 := main_#t~nondet23;havoc main_#t~nondet23;~st4~0 := main_#t~nondet24;havoc main_#t~nondet24;~send4~0 := main_#t~nondet25;havoc main_#t~nondet25;~mode4~0 := main_#t~nondet26;havoc main_#t~nondet26;~alive4~0 := main_#t~nondet27;havoc main_#t~nondet27;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 417#L244 assume 0 == ~r1~0; 451#L245 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 >= 1; 452#L246 assume ~id1~0 >= 0; 474#L247 assume 0 == ~st1~0; 432#L248 assume ~send1~0 == ~id1~0; 433#L249 assume 0 == ~mode1~0 % 256; 463#L250 assume ~id2~0 >= 0; 465#L251 assume 0 == ~st2~0; 403#L252 assume ~send2~0 == ~id2~0; 404#L253 assume 0 == ~mode2~0 % 256; 445#L254 assume ~id3~0 >= 0; 418#L255 assume 0 == ~st3~0; 419#L256 assume ~send3~0 == ~id3~0; 454#L257 assume 0 == ~mode3~0 % 256; 476#L258 assume ~id4~0 >= 0; 434#L259 assume 0 == ~st4~0; 435#L260 assume ~send4~0 == ~id4~0; 464#L261 assume 0 == ~mode4~0 % 256; 466#L262 assume ~id1~0 != ~id2~0; 405#L263 assume ~id1~0 != ~id3~0; 406#L264 assume ~id1~0 != ~id4~0; 446#L265 assume ~id2~0 != ~id3~0; 420#L266 assume ~id2~0 != ~id4~0; 421#L267 assume ~id3~0 != ~id4~0;init_~tmp~0 := 1; 458#L244-1 init_#res := init_~tmp~0; 470#L341 main_#t~ret28 := init_#res;main_~i2~0 := main_#t~ret28;havoc main_#t~ret28;assume 0 != main_~i2~0;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;main_~i2~0 := 0; 450#L403-2 [2019-11-25 08:50:37,409 INFO L796 eck$LassoCheckResult]: Loop: 450#L403-2 assume !!(main_~i2~0 < 8);havoc node1_#t~ite0, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 459#L110 assume !(0 != ~mode1~0 % 256); 455#L128 assume !(0 != ~alive1~0 % 256); 414#L128-2 ~mode1~0 := 1; 415#L110-2 havoc node2_#t~ite1, node2_#t~ite2, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 437#L142 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 439#L145 assume !(node2_~m2~0 != ~nomsg~0); 408#L145-1 ~mode2~0 := 0; 427#L142-2 havoc node3_#t~ite3, node3_#t~ite4, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 428#L176 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 412#L179 assume !(node3_~m3~0 != ~nomsg~0); 410#L179-1 ~mode3~0 := 0; 411#L176-2 havoc node4_#t~ite5, node4_#t~ite6, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 462#L210 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 468#L213 assume !(node4_~m4~0 != ~nomsg~0); 430#L213-1 ~mode4~0 := 0; 440#L210-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 467#L349 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 475#L350 assume ~r1~0 < 4;check_~tmp~1 := 1; 477#L349-1 check_#res := check_~tmp~1; 478#L361 main_#t~ret29 := check_#res;main_~c1~0 := main_#t~ret29;havoc main_#t~ret29;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 483#L430 assume !(0 == assert_~arg % 256); 449#L425 main_#t~post30 := main_~i2~0;main_~i2~0 := 1 + main_#t~post30;havoc main_#t~post30; 450#L403-2 [2019-11-25 08:50:37,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:37,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1386311927, now seen corresponding path program 2 times [2019-11-25 08:50:37,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:37,410 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511506513] [2019-11-25 08:50:37,410 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:37,507 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:50:37,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:37,508 INFO L82 PathProgramCache]: Analyzing trace with hash -971351118, now seen corresponding path program 1 times [2019-11-25 08:50:37,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:37,508 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699951422] [2019-11-25 08:50:37,508 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:50:37,534 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:50:37,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:37,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1378393174, now seen corresponding path program 1 times [2019-11-25 08:50:37,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:50:37,535 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044941387] [2019-11-25 08:50:37,535 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:50:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:37,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:37,595 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044941387] [2019-11-25 08:50:37,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:50:37,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:50:37,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448528697] [2019-11-25 08:50:38,001 WARN L192 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 104 [2019-11-25 08:50:38,412 WARN L192 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-11-25 08:50:38,427 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:50:38,427 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:50:38,428 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:50:38,428 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:50:38,428 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-25 08:50:38,428 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:38,428 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:50:38,429 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:50:38,430 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2019-11-25 08:50:38,430 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:50:38,430 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:50:38,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:38,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:38,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:38,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:38,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:38,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:38,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:38,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:38,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:38,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:38,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:38,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:38,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:38,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:38,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:38,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:38,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:38,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:38,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:38,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:38,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:38,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:38,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:38,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:38,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:38,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:38,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:38,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:39,294 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:50:39,295 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c67255f-2fcc-40e4-8553-3236f6f8ae5c/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:50:39,315 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:50:39,315 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c67255f-2fcc-40e4-8553-3236f6f8ae5c/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:50:39,335 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-25 08:50:39,335 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:39,481 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-25 08:50:39,482 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:50:39,483 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:50:39,483 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:50:39,483 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:50:39,483 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:50:39,483 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:39,483 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:50:39,483 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:50:39,483 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2019-11-25 08:50:39,483 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:50:39,483 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:50:39,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:39,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:39,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:39,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:39,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:39,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:39,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:39,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:39,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:39,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:39,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:39,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:39,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:39,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:39,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:39,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:39,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:39,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:39,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:39,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:39,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:39,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:39,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:39,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:39,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:39,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:39,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:39,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:50:40,099 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:50:40,103 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c67255f-2fcc-40e4-8553-3236f6f8ae5c/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:40,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:40,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:40,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:40,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:40,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:40,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:40,122 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:40,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:50:40,125 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c67255f-2fcc-40e4-8553-3236f6f8ae5c/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 [2019-11-25 08:50:40,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:40,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:40,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:40,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:40,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:40,135 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:50:40,135 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:50:40,141 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c67255f-2fcc-40e4-8553-3236f6f8ae5c/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:50:40,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:40,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:40,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:40,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:40,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:40,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:40,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:40,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:40,182 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c67255f-2fcc-40e4-8553-3236f6f8ae5c/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:50:40,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:40,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:40,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:40,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:40,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:40,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:40,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:40,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:40,205 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c67255f-2fcc-40e4-8553-3236f6f8ae5c/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 [2019-11-25 08:50:40,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:40,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:40,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:40,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:40,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:40,218 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:50:40,218 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:50:40,222 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c67255f-2fcc-40e4-8553-3236f6f8ae5c/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:40,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:40,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:40,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:40,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:40,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:40,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:40,242 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:40,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:50:40,252 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c67255f-2fcc-40e4-8553-3236f6f8ae5c/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:50:40,278 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:40,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:40,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:40,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:40,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:40,285 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:50:40,286 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:40,289 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c67255f-2fcc-40e4-8553-3236f6f8ae5c/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 [2019-11-25 08:50:40,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:40,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:40,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:40,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:40,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:40,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:50:40,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:50:40,316 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c67255f-2fcc-40e4-8553-3236f6f8ae5c/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:50:40,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:40,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:40,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:40,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:40,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:40,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:40,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:40,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:40,334 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c67255f-2fcc-40e4-8553-3236f6f8ae5c/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:40,346 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:40,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:40,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:40,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:40,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:40,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:40,351 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:40,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:50:40,353 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c67255f-2fcc-40e4-8553-3236f6f8ae5c/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:40,362 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:40,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:40,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:40,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:40,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:40,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:40,365 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:40,365 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:50:40,366 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c67255f-2fcc-40e4-8553-3236f6f8ae5c/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:50:40,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:40,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:40,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:40,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:40,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:40,382 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:50:40,382 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:50:40,386 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c67255f-2fcc-40e4-8553-3236f6f8ae5c/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:40,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:40,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:40,391 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:40,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:40,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:40,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:40,392 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:40,392 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:50:40,394 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c67255f-2fcc-40e4-8553-3236f6f8ae5c/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:50:40,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:40,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:40,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:40,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:40,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:40,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:40,405 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:40,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:50:40,408 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c67255f-2fcc-40e4-8553-3236f6f8ae5c/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:50:40,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:50:40,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:50:40,416 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:50:40,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:50:40,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:50:40,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:50:40,417 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:50:40,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:50:40,419 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:40,424 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-25 08:50:40,425 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c67255f-2fcc-40e4-8553-3236f6f8ae5c/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:50:40,429 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:50:40,430 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-25 08:50:40,430 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:50:40,430 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 15 Supporting invariants [] [2019-11-25 08:50:40,433 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-25 08:50:40,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:50:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:40,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:50:40,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:50:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:50:40,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:50:40,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:50:40,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:50:40,569 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:50:40,569 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 89 states and 124 transitions. cyclomatic complexity: 36 Second operand 3 states. [2019-11-25 08:50:40,663 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 89 states and 124 transitions. cyclomatic complexity: 36. Second operand 3 states. Result 150 states and 221 transitions. Complement of second has 4 states. [2019-11-25 08:50:40,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-25 08:50:40,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:50:40,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 124 transitions. [2019-11-25 08:50:40,666 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 124 transitions. Stem has 28 letters. Loop has 23 letters. [2019-11-25 08:50:40,667 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:50:40,668 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 124 transitions. Stem has 51 letters. Loop has 23 letters. [2019-11-25 08:50:40,668 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:50:40,668 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 124 transitions. Stem has 28 letters. Loop has 46 letters. [2019-11-25 08:50:40,669 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:50:40,670 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 150 states and 221 transitions. [2019-11-25 08:50:40,672 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:50:40,673 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 150 states to 0 states and 0 transitions. [2019-11-25 08:50:40,673 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:50:40,673 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:50:40,673 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:50:40,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:50:40,673 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:50:40,673 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:50:40,673 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:50:40,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:50:40,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:50:40,674 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-11-25 08:50:40,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:50:40,674 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-25 08:50:40,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:50:40,675 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-25 08:50:40,675 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:50:40,675 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:50:40,675 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:50:40,675 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:50:40,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:50:40,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:50:40,676 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:50:40,676 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:50:40,676 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:50:40,676 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-25 08:50:40,676 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:50:40,676 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:50:40,677 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:50:40,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:50:40 BoogieIcfgContainer [2019-11-25 08:50:40,683 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:50:40,683 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:50:40,683 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:50:40,683 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:50:40,684 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:36" (3/4) ... [2019-11-25 08:50:40,687 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:50:40,688 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:50:40,690 INFO L168 Benchmark]: Toolchain (without parser) took 5421.54 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 244.3 MB). Free memory was 948.7 MB in the beginning and 1.2 GB in the end (delta: -214.1 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:40,691 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:50:40,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 413.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.0 MB). Free memory was 948.7 MB in the beginning and 1.2 GB in the end (delta: -244.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:40,692 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:50:40,692 INFO L168 Benchmark]: Boogie Preprocessor took 36.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:40,693 INFO L168 Benchmark]: RCFGBuilder took 710.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:40,694 INFO L168 Benchmark]: BuchiAutomizer took 4192.18 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 39.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -14.9 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:40,695 INFO L168 Benchmark]: Witness Printer took 5.36 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:50:40,697 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 413.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.0 MB). Free memory was 948.7 MB in the beginning and 1.2 GB in the end (delta: -244.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 710.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4192.18 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 39.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -14.9 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * Witness Printer took 5.36 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i2 + 15 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 89 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 400 SDtfs, 220 SDslu, 740 SDs, 0 SdLazy, 22 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI1 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital120 mio100 ax139 hnf109 lsp25 ukn100 mio100 lsp100 div102 bol100 ite100 ukn100 eq222 hnf85 smp100 dnf100 smp100 tf102 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...