./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.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_0540d53d-a53c-49c6-aad0-d49a211ea614/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0540d53d-a53c-49c6-aad0-d49a211ea614/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0540d53d-a53c-49c6-aad0-d49a211ea614/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0540d53d-a53c-49c6-aad0-d49a211ea614/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0540d53d-a53c-49c6-aad0-d49a211ea614/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0540d53d-a53c-49c6-aad0-d49a211ea614/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 9617a298e8318064de96aca26d3538590248ba76 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 08:46:13,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:46:13,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:46:13,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:46:13,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:46:13,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:46:13,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:46:13,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:46:13,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:46:13,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:46:13,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:46:13,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:46:13,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:46:13,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:46:13,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:46:13,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:46:13,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:46:13,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:46:13,118 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:46:13,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:46:13,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:46:13,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:46:13,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:46:13,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:46:13,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:46:13,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:46:13,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:46:13,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:46:13,134 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:46:13,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:46:13,136 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:46:13,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:46:13,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:46:13,138 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:46:13,139 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:46:13,139 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:46:13,140 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:46:13,140 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:46:13,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:46:13,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:46:13,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:46:13,142 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0540d53d-a53c-49c6-aad0-d49a211ea614/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:46:13,167 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:46:13,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:46:13,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:46:13,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:46:13,169 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:46:13,169 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:46:13,169 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:46:13,169 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:46:13,169 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:46:13,170 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:46:13,170 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:46:13,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:46:13,170 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:46:13,170 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:46:13,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:46:13,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:46:13,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:46:13,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:46:13,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:46:13,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:46:13,172 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:46:13,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:46:13,172 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:46:13,172 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:46:13,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:46:13,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:46:13,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:46:13,173 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:46:13,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:46:13,173 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:46:13,173 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:46:13,174 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:46:13,174 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_0540d53d-a53c-49c6-aad0-d49a211ea614/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 -> 9617a298e8318064de96aca26d3538590248ba76 [2019-11-25 08:46:13,352 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:46:13,362 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:46:13,365 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:46:13,367 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:46:13,367 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:46:13,368 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0540d53d-a53c-49c6-aad0-d49a211ea614/bin/uautomizer/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c [2019-11-25 08:46:13,418 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0540d53d-a53c-49c6-aad0-d49a211ea614/bin/uautomizer/data/90c224d83/f182fbec7a104f52bd891d682c3bbfcd/FLAG3c81d4a8d [2019-11-25 08:46:13,782 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:46:13,783 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0540d53d-a53c-49c6-aad0-d49a211ea614/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c [2019-11-25 08:46:13,791 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0540d53d-a53c-49c6-aad0-d49a211ea614/bin/uautomizer/data/90c224d83/f182fbec7a104f52bd891d682c3bbfcd/FLAG3c81d4a8d [2019-11-25 08:46:14,159 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0540d53d-a53c-49c6-aad0-d49a211ea614/bin/uautomizer/data/90c224d83/f182fbec7a104f52bd891d682c3bbfcd [2019-11-25 08:46:14,161 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:46:14,162 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:46:14,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:46:14,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:46:14,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:46:14,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:46:14" (1/1) ... [2019-11-25 08:46:14,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@889bb97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:14, skipping insertion in model container [2019-11-25 08:46:14,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:46:14" (1/1) ... [2019-11-25 08:46:14,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:46:14,208 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:46:14,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:46:14,493 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:46:14,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:46:14,558 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:46:14,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:14 WrapperNode [2019-11-25 08:46:14,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:46:14,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:46:14,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:46:14,559 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:46:14,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:14" (1/1) ... [2019-11-25 08:46:14,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:14" (1/1) ... [2019-11-25 08:46:14,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:46:14,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:46:14,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:46:14,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:46:14,624 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:14" (1/1) ... [2019-11-25 08:46:14,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:14" (1/1) ... [2019-11-25 08:46:14,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:14" (1/1) ... [2019-11-25 08:46:14,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:14" (1/1) ... [2019-11-25 08:46:14,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:14" (1/1) ... [2019-11-25 08:46:14,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:14" (1/1) ... [2019-11-25 08:46:14,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:14" (1/1) ... [2019-11-25 08:46:14,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:46:14,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:46:14,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:46:14,660 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:46:14,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0540d53d-a53c-49c6-aad0-d49a211ea614/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 08:46:14,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:46:14,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:46:15,274 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:46:15,275 INFO L284 CfgBuilder]: Removed 19 assume(true) statements. [2019-11-25 08:46:15,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:46:15 BoogieIcfgContainer [2019-11-25 08:46:15,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:46:15,277 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:46:15,278 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:46:15,281 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:46:15,282 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:46:15,283 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:46:14" (1/3) ... [2019-11-25 08:46:15,284 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b42df64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:46:15, skipping insertion in model container [2019-11-25 08:46:15,284 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:46:15,284 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:14" (2/3) ... [2019-11-25 08:46:15,284 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b42df64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:46:15, skipping insertion in model container [2019-11-25 08:46:15,285 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:46:15,285 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:46:15" (3/3) ... [2019-11-25 08:46:15,286 INFO L371 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c [2019-11-25 08:46:15,327 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:46:15,328 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:46:15,328 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:46:15,328 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:46:15,328 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:46:15,328 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:46:15,329 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:46:15,330 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:46:15,357 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 97 states. [2019-11-25 08:46:15,385 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 65 [2019-11-25 08:46:15,385 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:46:15,385 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:46:15,393 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-25 08:46:15,393 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 08:46:15,393 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:46:15,393 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 97 states. [2019-11-25 08:46:15,399 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 65 [2019-11-25 08:46:15,399 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:46:15,399 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:46:15,401 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-25 08:46:15,401 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 08:46:15,407 INFO L794 eck$LassoCheckResult]: Stem: 69#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]; 7#L-1true havoc main_#res;havoc 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~nondet28, main_#t~ret29, main_#t~ret30, main_#t~post31, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet8;havoc main_#t~nondet8;~id1~0 := main_#t~nondet9;havoc main_#t~nondet9;~st1~0 := main_#t~nondet10;havoc main_#t~nondet10;~send1~0 := main_#t~nondet11;havoc main_#t~nondet11;~mode1~0 := main_#t~nondet12;havoc main_#t~nondet12;~alive1~0 := main_#t~nondet13;havoc main_#t~nondet13;~id2~0 := main_#t~nondet14;havoc main_#t~nondet14;~st2~0 := main_#t~nondet15;havoc main_#t~nondet15;~send2~0 := main_#t~nondet16;havoc main_#t~nondet16;~mode2~0 := main_#t~nondet17;havoc main_#t~nondet17;~alive2~0 := main_#t~nondet18;havoc main_#t~nondet18;~id3~0 := main_#t~nondet19;havoc main_#t~nondet19;~st3~0 := main_#t~nondet20;havoc main_#t~nondet20;~send3~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode3~0 := main_#t~nondet22;havoc main_#t~nondet22;~alive3~0 := main_#t~nondet23;havoc main_#t~nondet23;~id4~0 := main_#t~nondet24;havoc main_#t~nondet24;~st4~0 := main_#t~nondet25;havoc main_#t~nondet25;~send4~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode4~0 := main_#t~nondet27;havoc main_#t~nondet27;~alive4~0 := main_#t~nondet28;havoc main_#t~nondet28;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 97#L247true assume !(0 == ~r1~0);init_~tmp~0 := 0; 96#L247-1true init_#res := init_~tmp~0; 63#L344true main_#t~ret29 := init_#res;main_~i2~0 := main_#t~ret29;havoc main_#t~ret29;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; 8#L406-2true [2019-11-25 08:46:15,407 INFO L796 eck$LassoCheckResult]: Loop: 8#L406-2true assume !!(main_~i2~0 < 8);havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 75#L110true assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 18#L114true assume !(node1_~m1~0 != ~nomsg~0); 16#L114-1true ~mode1~0 := 0; 72#L110-2true havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 91#L145true assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 82#L148true assume !(node2_~m2~0 != ~nomsg~0); 80#L148-1true ~mode2~0 := 0; 89#L145-2true havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 51#L179true assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 55#L182true assume !(node3_~m3~0 != ~nomsg~0); 53#L182-1true ~mode3~0 := 0; 49#L179-2true havoc node4_#t~ite6, node4_#t~ite7, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 34#L213true assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 24#L216true assume !(node4_~m4~0 != ~nomsg~0); 23#L216-1true ~mode4~0 := 0; 19#L213-2true ~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; 81#L352true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1 := 0; 83#L352-1true check_#res := check_~tmp~1; 42#L364true main_#t~ret30 := check_#res;main_~c1~0 := main_#t~ret30;havoc main_#t~ret30;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 37#L433true assume !(0 == assert_~arg % 256); 17#L428true main_#t~post31 := main_~i2~0;main_~i2~0 := 1 + main_#t~post31;havoc main_#t~post31; 8#L406-2true [2019-11-25 08:46:15,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:15,412 INFO L82 PathProgramCache]: Analyzing trace with hash 28832784, now seen corresponding path program 1 times [2019-11-25 08:46:15,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:15,418 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358794704] [2019-11-25 08:46:15,418 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:46:15,581 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 08:46:15,582 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358794704] [2019-11-25 08:46:15,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:46:15,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:46:15,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672593712] [2019-11-25 08:46:15,587 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:46:15,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:15,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1703887177, now seen corresponding path program 1 times [2019-11-25 08:46:15,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:15,587 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631178451] [2019-11-25 08:46:15,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:46:15,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:46:15,747 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631178451] [2019-11-25 08:46:15,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:46:15,748 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:46:15,748 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783079705] [2019-11-25 08:46:15,749 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-25 08:46:15,750 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:46:15,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:46:15,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:46:15,766 INFO L87 Difference]: Start difference. First operand 97 states. Second operand 4 states. [2019-11-25 08:46:15,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:46:15,845 INFO L93 Difference]: Finished difference Result 99 states and 161 transitions. [2019-11-25 08:46:15,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:46:15,847 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 161 transitions. [2019-11-25 08:46:15,851 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 64 [2019-11-25 08:46:15,856 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 92 states and 131 transitions. [2019-11-25 08:46:15,858 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 92 [2019-11-25 08:46:15,858 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 92 [2019-11-25 08:46:15,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 131 transitions. [2019-11-25 08:46:15,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:46:15,861 INFO L688 BuchiCegarLoop]: Abstraction has 92 states and 131 transitions. [2019-11-25 08:46:15,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 131 transitions. [2019-11-25 08:46:15,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-11-25 08:46:15,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-11-25 08:46:15,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 131 transitions. [2019-11-25 08:46:15,892 INFO L711 BuchiCegarLoop]: Abstraction has 92 states and 131 transitions. [2019-11-25 08:46:15,892 INFO L591 BuchiCegarLoop]: Abstraction has 92 states and 131 transitions. [2019-11-25 08:46:15,893 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:46:15,893 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 131 transitions. [2019-11-25 08:46:15,895 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 64 [2019-11-25 08:46:15,895 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:46:15,895 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:46:15,896 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 08:46:15,896 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 08:46:15,897 INFO L794 eck$LassoCheckResult]: Stem: 269#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]; 229#L-1 havoc main_#res;havoc 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~nondet28, main_#t~ret29, main_#t~ret30, main_#t~post31, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet8;havoc main_#t~nondet8;~id1~0 := main_#t~nondet9;havoc main_#t~nondet9;~st1~0 := main_#t~nondet10;havoc main_#t~nondet10;~send1~0 := main_#t~nondet11;havoc main_#t~nondet11;~mode1~0 := main_#t~nondet12;havoc main_#t~nondet12;~alive1~0 := main_#t~nondet13;havoc main_#t~nondet13;~id2~0 := main_#t~nondet14;havoc main_#t~nondet14;~st2~0 := main_#t~nondet15;havoc main_#t~nondet15;~send2~0 := main_#t~nondet16;havoc main_#t~nondet16;~mode2~0 := main_#t~nondet17;havoc main_#t~nondet17;~alive2~0 := main_#t~nondet18;havoc main_#t~nondet18;~id3~0 := main_#t~nondet19;havoc main_#t~nondet19;~st3~0 := main_#t~nondet20;havoc main_#t~nondet20;~send3~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode3~0 := main_#t~nondet22;havoc main_#t~nondet22;~alive3~0 := main_#t~nondet23;havoc main_#t~nondet23;~id4~0 := main_#t~nondet24;havoc main_#t~nondet24;~st4~0 := main_#t~nondet25;havoc main_#t~nondet25;~send4~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode4~0 := main_#t~nondet27;havoc main_#t~nondet27;~alive4~0 := main_#t~nondet28;havoc main_#t~nondet28;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 230#L247 assume 0 == ~r1~0; 242#L248 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 >= 1; 243#L249 assume ~id1~0 >= 0; 279#L250 assume 0 == ~st1~0; 283#L251 assume ~send1~0 == ~id1~0; 218#L252 assume 0 == ~mode1~0 % 256; 219#L253 assume ~id2~0 >= 0; 262#L254 assume 0 == ~st2~0; 231#L255 assume ~send2~0 == ~id2~0; 232#L256 assume 0 == ~mode2~0 % 256; 270#L257 assume ~id3~0 >= 0; 294#L258 assume 0 == ~st3~0; 244#L259 assume ~send3~0 == ~id3~0; 245#L260 assume 0 == ~mode3~0 % 256; 280#L261 assume ~id4~0 >= 0; 284#L262 assume 0 == ~st4~0; 220#L263 assume ~send4~0 == ~id4~0; 221#L264 assume 0 == ~mode4~0 % 256; 263#L265 assume ~id1~0 != ~id2~0; 233#L266 assume ~id1~0 != ~id3~0; 234#L267 assume ~id1~0 != ~id4~0; 271#L268 assume ~id2~0 != ~id3~0; 295#L269 assume ~id2~0 != ~id4~0; 249#L270 assume ~id3~0 != ~id4~0;init_~tmp~0 := 1; 250#L247-1 init_#res := init_~tmp~0; 256#L344 main_#t~ret29 := init_#res;main_~i2~0 := main_#t~ret29;havoc main_#t~ret29;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; 227#L406-2 [2019-11-25 08:46:15,897 INFO L796 eck$LassoCheckResult]: Loop: 227#L406-2 assume !!(main_~i2~0 < 8);havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 228#L110 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 260#L114 assume !(node1_~m1~0 != ~nomsg~0); 258#L114-1 ~mode1~0 := 0; 241#L110-2 havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 272#L145 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 291#L148 assume !(node2_~m2~0 != ~nomsg~0); 237#L148-1 ~mode2~0 := 0; 278#L145-2 havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 224#L179 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 225#L182 assume !(node3_~m3~0 != ~nomsg~0); 238#L182-1 ~mode3~0 := 0; 216#L179-2 havoc node4_#t~ite6, node4_#t~ite7, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 217#L213 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 276#L216 assume !(node4_~m4~0 != ~nomsg~0); 274#L216-1 ~mode4~0 := 0; 264#L213-2 ~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; 265#L352 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1 := 0; 282#L352-1 check_#res := check_~tmp~1; 292#L364 main_#t~ret30 := check_#res;main_~c1~0 := main_#t~ret30;havoc main_#t~ret30;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 298#L433 assume !(0 == assert_~arg % 256); 259#L428 main_#t~post31 := main_~i2~0;main_~i2~0 := 1 + main_#t~post31;havoc main_#t~post31; 227#L406-2 [2019-11-25 08:46:15,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:15,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1386311927, now seen corresponding path program 1 times [2019-11-25 08:46:15,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:15,898 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484516609] [2019-11-25 08:46:15,898 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:15,991 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:46:15,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:15,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1703887177, now seen corresponding path program 2 times [2019-11-25 08:46:15,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:15,992 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539158931] [2019-11-25 08:46:15,992 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:46:16,128 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 08:46:16,128 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539158931] [2019-11-25 08:46:16,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:46:16,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:46:16,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844226240] [2019-11-25 08:46:16,129 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-25 08:46:16,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:46:16,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:46:16,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:46:16,130 INFO L87 Difference]: Start difference. First operand 92 states and 131 transitions. cyclomatic complexity: 40 Second operand 5 states. [2019-11-25 08:46:16,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:46:16,196 INFO L93 Difference]: Finished difference Result 95 states and 133 transitions. [2019-11-25 08:46:16,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:46:16,197 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 95 states and 133 transitions. [2019-11-25 08:46:16,199 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 64 [2019-11-25 08:46:16,200 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 95 states to 92 states and 129 transitions. [2019-11-25 08:46:16,200 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 92 [2019-11-25 08:46:16,201 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 92 [2019-11-25 08:46:16,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 129 transitions. [2019-11-25 08:46:16,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:46:16,202 INFO L688 BuchiCegarLoop]: Abstraction has 92 states and 129 transitions. [2019-11-25 08:46:16,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 129 transitions. [2019-11-25 08:46:16,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-11-25 08:46:16,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-11-25 08:46:16,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2019-11-25 08:46:16,208 INFO L711 BuchiCegarLoop]: Abstraction has 92 states and 129 transitions. [2019-11-25 08:46:16,208 INFO L591 BuchiCegarLoop]: Abstraction has 92 states and 129 transitions. [2019-11-25 08:46:16,209 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-25 08:46:16,209 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 129 transitions. [2019-11-25 08:46:16,210 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 64 [2019-11-25 08:46:16,210 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:46:16,210 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:46:16,212 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 08:46:16,212 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 08:46:16,212 INFO L794 eck$LassoCheckResult]: Stem: 466#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]; 426#L-1 havoc main_#res;havoc 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~nondet28, main_#t~ret29, main_#t~ret30, main_#t~post31, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet8;havoc main_#t~nondet8;~id1~0 := main_#t~nondet9;havoc main_#t~nondet9;~st1~0 := main_#t~nondet10;havoc main_#t~nondet10;~send1~0 := main_#t~nondet11;havoc main_#t~nondet11;~mode1~0 := main_#t~nondet12;havoc main_#t~nondet12;~alive1~0 := main_#t~nondet13;havoc main_#t~nondet13;~id2~0 := main_#t~nondet14;havoc main_#t~nondet14;~st2~0 := main_#t~nondet15;havoc main_#t~nondet15;~send2~0 := main_#t~nondet16;havoc main_#t~nondet16;~mode2~0 := main_#t~nondet17;havoc main_#t~nondet17;~alive2~0 := main_#t~nondet18;havoc main_#t~nondet18;~id3~0 := main_#t~nondet19;havoc main_#t~nondet19;~st3~0 := main_#t~nondet20;havoc main_#t~nondet20;~send3~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode3~0 := main_#t~nondet22;havoc main_#t~nondet22;~alive3~0 := main_#t~nondet23;havoc main_#t~nondet23;~id4~0 := main_#t~nondet24;havoc main_#t~nondet24;~st4~0 := main_#t~nondet25;havoc main_#t~nondet25;~send4~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode4~0 := main_#t~nondet27;havoc main_#t~nondet27;~alive4~0 := main_#t~nondet28;havoc main_#t~nondet28;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 427#L247 assume 0 == ~r1~0; 441#L248 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 >= 1; 442#L249 assume ~id1~0 >= 0; 478#L250 assume 0 == ~st1~0; 482#L251 assume ~send1~0 == ~id1~0; 417#L252 assume 0 == ~mode1~0 % 256; 418#L253 assume ~id2~0 >= 0; 461#L254 assume 0 == ~st2~0; 428#L255 assume ~send2~0 == ~id2~0; 429#L256 assume 0 == ~mode2~0 % 256; 467#L257 assume ~id3~0 >= 0; 493#L258 assume 0 == ~st3~0; 443#L259 assume ~send3~0 == ~id3~0; 444#L260 assume 0 == ~mode3~0 % 256; 479#L261 assume ~id4~0 >= 0; 483#L262 assume 0 == ~st4~0; 419#L263 assume ~send4~0 == ~id4~0; 420#L264 assume 0 == ~mode4~0 % 256; 462#L265 assume ~id1~0 != ~id2~0; 432#L266 assume ~id1~0 != ~id3~0; 433#L267 assume ~id1~0 != ~id4~0; 470#L268 assume ~id2~0 != ~id3~0; 494#L269 assume ~id2~0 != ~id4~0; 448#L270 assume ~id3~0 != ~id4~0;init_~tmp~0 := 1; 449#L247-1 init_#res := init_~tmp~0; 455#L344 main_#t~ret29 := init_#res;main_~i2~0 := main_#t~ret29;havoc main_#t~ret29;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; 430#L406-2 [2019-11-25 08:46:16,212 INFO L796 eck$LassoCheckResult]: Loop: 430#L406-2 assume !!(main_~i2~0 < 8);havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 431#L110 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 459#L114 assume !(node1_~m1~0 != ~nomsg~0); 457#L114-1 ~mode1~0 := 0; 440#L110-2 havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 471#L145 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 491#L148 assume !(node2_~m2~0 != ~nomsg~0); 436#L148-1 ~mode2~0 := 0; 477#L145-2 havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 423#L179 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 424#L182 assume !(node3_~m3~0 != ~nomsg~0); 437#L182-1 ~mode3~0 := 0; 415#L179-2 havoc node4_#t~ite6, node4_#t~ite7, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 416#L213 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 475#L216 assume !(node4_~m4~0 != ~nomsg~0); 472#L216-1 ~mode4~0 := 0; 463#L213-2 ~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; 464#L352 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 488#L353 assume ~r1~0 < 4;check_~tmp~1 := 1; 481#L352-1 check_#res := check_~tmp~1; 490#L364 main_#t~ret30 := check_#res;main_~c1~0 := main_#t~ret30;havoc main_#t~ret30;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 495#L433 assume !(0 == assert_~arg % 256); 458#L428 main_#t~post31 := main_~i2~0;main_~i2~0 := 1 + main_#t~post31;havoc main_#t~post31; 430#L406-2 [2019-11-25 08:46:16,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:16,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1386311927, now seen corresponding path program 2 times [2019-11-25 08:46:16,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:16,213 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154876195] [2019-11-25 08:46:16,214 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:16,279 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:46:16,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:16,280 INFO L82 PathProgramCache]: Analyzing trace with hash 897567768, now seen corresponding path program 1 times [2019-11-25 08:46:16,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:16,280 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027125666] [2019-11-25 08:46:16,280 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:16,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:16,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:16,309 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:46:16,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:16,310 INFO L82 PathProgramCache]: Analyzing trace with hash 490525712, now seen corresponding path program 1 times [2019-11-25 08:46:16,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:16,310 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201199222] [2019-11-25 08:46:16,310 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:46:16,397 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 08:46:16,397 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201199222] [2019-11-25 08:46:16,398 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:46:16,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:46:16,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817007881] [2019-11-25 08:46:16,795 WARN L192 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 117 [2019-11-25 08:46:17,672 WARN L192 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 102 [2019-11-25 08:46:17,687 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:46:17,688 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:46:17,688 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:46:17,688 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:46:17,689 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-25 08:46:17,689 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:17,689 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:46:17,689 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:46:17,689 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2019-11-25 08:46:17,689 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:46:17,690 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:46:17,727 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 08:46:17,737 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 08:46:17,742 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 08:46:17,745 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 08:46:17,748 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 08:46:17,754 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 08:46:17,757 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 08:46:17,799 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 08:46:17,803 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 08:46:17,806 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 08:46:17,808 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 08:46:17,812 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 08:46:17,814 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 08:46:17,817 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 08:46:17,823 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 08:46:17,830 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 08:46:17,867 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 08:46:17,873 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 08:46:17,875 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 08:46:17,885 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 08:46:17,892 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 08:46:17,894 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 08:46:17,903 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 08:46:17,906 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 08:46:17,914 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 08:46:17,917 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 08:46:17,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:17,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:18,611 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:46:18,611 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0540d53d-a53c-49c6-aad0-d49a211ea614/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 08:46:18,637 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:46:18,638 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_0540d53d-a53c-49c6-aad0-d49a211ea614/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:18,651 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-25 08:46:18,651 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-25 08:46:18,794 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-25 08:46:18,796 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:46:18,796 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:46:18,796 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:46:18,796 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:46:18,796 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:46:18,797 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:18,797 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:46:18,797 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:46:18,797 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2019-11-25 08:46:18,797 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:46:18,797 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:46:18,801 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 08:46:18,822 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 08:46:18,829 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 08:46:18,834 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 08:46:18,837 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 08:46:18,839 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 08:46:18,844 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 08:46:18,846 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 08:46:18,879 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 08:46:18,884 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 08:46:18,885 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 08:46:18,887 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 08:46:18,889 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 08:46:18,894 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 08:46:18,905 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 08:46:18,921 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 08:46:18,929 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 08:46:18,932 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 08:46:18,934 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 08:46:18,940 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 08:46:18,942 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 08:46:18,945 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 08:46:18,947 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 08:46:18,949 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 08:46:18,954 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 08:46:18,983 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 08:46:18,984 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 08:46:18,986 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 08:46:19,491 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:46:19,495 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0540d53d-a53c-49c6-aad0-d49a211ea614/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 08:46:19,504 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 08:46:19,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:19,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:46:19,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:19,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:19,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:19,511 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:46:19,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:46:19,515 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0540d53d-a53c-49c6-aad0-d49a211ea614/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 08:46:19,520 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 08:46:19,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:19,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:19,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:19,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:19,524 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:46:19,524 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:46:19,533 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0540d53d-a53c-49c6-aad0-d49a211ea614/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:19,544 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 08:46:19,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:19,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:46:19,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:19,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:19,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:19,547 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:46:19,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:46:19,549 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0540d53d-a53c-49c6-aad0-d49a211ea614/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:19,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:19,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:19,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:46:19,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:19,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:19,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:19,566 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:46:19,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:46:19,567 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0540d53d-a53c-49c6-aad0-d49a211ea614/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 08:46:19,571 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 08:46:19,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:19,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:19,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:19,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:19,574 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:46:19,574 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:46:19,577 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0540d53d-a53c-49c6-aad0-d49a211ea614/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 08:46:19,581 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 08:46:19,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:19,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:46:19,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:19,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:19,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:19,584 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:46:19,584 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:46:19,589 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0540d53d-a53c-49c6-aad0-d49a211ea614/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:19,602 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 08:46:19,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:19,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:19,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:19,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:19,606 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:46:19,606 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:46:19,610 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0540d53d-a53c-49c6-aad0-d49a211ea614/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 08:46:19,625 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 08:46:19,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:19,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:46:19,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:19,627 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-25 08:46:19,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:19,630 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:46:19,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:46:19,637 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0540d53d-a53c-49c6-aad0-d49a211ea614/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:19,649 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 08:46:19,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:19,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:19,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:19,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:19,653 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:46:19,653 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:46:19,661 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0540d53d-a53c-49c6-aad0-d49a211ea614/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:46:19,678 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 08:46:19,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:19,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:46:19,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:19,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:19,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:19,681 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:46:19,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:19,683 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0540d53d-a53c-49c6-aad0-d49a211ea614/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 08:46:19,697 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 08:46:19,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:19,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:46:19,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:19,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:19,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:19,699 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:46:19,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:46:19,701 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0540d53d-a53c-49c6-aad0-d49a211ea614/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:19,706 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 08:46:19,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:19,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:46:19,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:19,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:19,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:19,708 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:46:19,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:46:19,709 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0540d53d-a53c-49c6-aad0-d49a211ea614/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 08:46:19,714 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 08:46:19,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:19,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:19,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:19,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:19,718 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:46:19,718 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:46:19,725 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0540d53d-a53c-49c6-aad0-d49a211ea614/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:19,732 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 08:46:19,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:19,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:46:19,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:19,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:19,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:19,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:46:19,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:46:19,736 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0540d53d-a53c-49c6-aad0-d49a211ea614/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:19,749 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 08:46:19,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:19,751 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:46:19,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:19,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:19,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:19,752 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:46:19,752 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:46:19,756 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:46:19,765 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-25 08:46:19,766 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_0540d53d-a53c-49c6-aad0-d49a211ea614/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:46:19,777 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:46:19,777 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-25 08:46:19,778 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:46:19,778 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 08:46:19,782 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:19,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Exception during sending of exit command (exit): Broken pipe [2019-11-25 08:46:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:46:19,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:46:19,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:46:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:46:19,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:46:19,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:46:19,992 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 08:46:19,995 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 08:46:19,995 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 92 states and 129 transitions. cyclomatic complexity: 38 Second operand 3 states. [2019-11-25 08:46:20,056 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 92 states and 129 transitions. cyclomatic complexity: 38. Second operand 3 states. Result 156 states and 231 transitions. Complement of second has 4 states. [2019-11-25 08:46:20,057 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 08:46:20,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:46:20,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 129 transitions. [2019-11-25 08:46:20,059 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 129 transitions. Stem has 28 letters. Loop has 23 letters. [2019-11-25 08:46:20,060 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:46:20,060 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 129 transitions. Stem has 51 letters. Loop has 23 letters. [2019-11-25 08:46:20,061 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:46:20,061 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 129 transitions. Stem has 28 letters. Loop has 46 letters. [2019-11-25 08:46:20,062 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:46:20,062 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 231 transitions. [2019-11-25 08:46:20,065 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:46:20,065 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 0 states and 0 transitions. [2019-11-25 08:46:20,065 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:46:20,065 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:46:20,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:46:20,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:46:20,066 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:46:20,066 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:46:20,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:46:20,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:46:20,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:46:20,067 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-11-25 08:46:20,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:46:20,067 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-25 08:46:20,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:46:20,067 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-25 08:46:20,068 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:46:20,068 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:46:20,068 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:46:20,068 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:46:20,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:46:20,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:46:20,068 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:46:20,069 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:46:20,069 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:46:20,069 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-25 08:46:20,069 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:46:20,069 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:46:20,069 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:46:20,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:46:20 BoogieIcfgContainer [2019-11-25 08:46:20,075 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:46:20,075 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:46:20,075 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:46:20,075 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:46:20,076 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:46:15" (3/4) ... [2019-11-25 08:46:20,079 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:46:20,079 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:46:20,080 INFO L168 Benchmark]: Toolchain (without parser) took 5917.58 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 336.1 MB). Free memory was 946.0 MB in the beginning and 1.3 GB in the end (delta: -354.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:46:20,080 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:46:20,081 INFO L168 Benchmark]: CACSL2BoogieTranslator took 395.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -195.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:20,082 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:20,082 INFO L168 Benchmark]: Boogie Preprocessor took 43.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:20,083 INFO L168 Benchmark]: RCFGBuilder took 617.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:20,083 INFO L168 Benchmark]: BuchiAutomizer took 4797.40 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 179.3 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -210.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:46:20,084 INFO L168 Benchmark]: Witness Printer took 3.71 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:46:20,086 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 395.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -195.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 617.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4797.40 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 179.3 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -210.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.71 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 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 4.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.1s. 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 92 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 415 SDtfs, 230 SDslu, 770 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: inital259 mio100 ax118 hnf104 lsp17 ukn86 mio100 lsp100 div127 bol100 ite100 ukn100 eq178 hnf85 smp100 dnf100 smp100 tf102 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms 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...