./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex5.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex5.i -s /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f7c8cd0f6441598a9b17eacee015376606f871a4 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 04:18:57,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:18:57,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:18:57,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:18:57,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:18:57,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:18:57,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:18:57,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:18:57,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:18:57,315 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:18:57,316 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:18:57,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:18:57,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:18:57,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:18:57,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:18:57,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:18:57,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:18:57,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:18:57,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:18:57,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:18:57,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:18:57,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:18:57,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:18:57,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:18:57,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:18:57,341 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:18:57,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:18:57,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:18:57,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:18:57,343 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:18:57,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:18:57,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:18:57,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:18:57,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:18:57,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:18:57,349 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:18:57,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:18:57,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:18:57,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:18:57,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:18:57,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:18:57,353 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 04:18:57,379 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:18:57,384 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:18:57,386 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:18:57,386 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:18:57,386 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 04:18:57,386 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 04:18:57,386 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 04:18:57,386 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 04:18:57,387 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 04:18:57,387 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 04:18:57,387 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 04:18:57,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:18:57,387 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 04:18:57,388 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 04:18:57,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:18:57,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 04:18:57,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 04:18:57,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 04:18:57,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:18:57,389 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 04:18:57,389 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:18:57,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 04:18:57,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:18:57,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 04:18:57,393 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 04:18:57,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:18:57,394 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 04:18:57,394 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 04:18:57,395 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 04:18:57,396 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_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7c8cd0f6441598a9b17eacee015376606f871a4 [2019-11-20 04:18:57,546 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:18:57,557 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:18:57,560 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:18:57,562 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:18:57,563 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:18:57,564 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex5.i [2019-11-20 04:18:57,625 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/data/e53ce2cb7/730010f09c424508a88fefda14e3d93c/FLAG8526d43eb [2019-11-20 04:18:58,017 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:18:58,018 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex5.i [2019-11-20 04:18:58,023 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/data/e53ce2cb7/730010f09c424508a88fefda14e3d93c/FLAG8526d43eb [2019-11-20 04:18:58,039 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/data/e53ce2cb7/730010f09c424508a88fefda14e3d93c [2019-11-20 04:18:58,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:18:58,043 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:18:58,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:18:58,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:18:58,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:18:58,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:18:58" (1/1) ... [2019-11-20 04:18:58,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e9d8b5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:18:58, skipping insertion in model container [2019-11-20 04:18:58,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:18:58" (1/1) ... [2019-11-20 04:18:58,060 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:18:58,077 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:18:58,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:18:58,276 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:18:58,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:18:58,305 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:18:58,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:18:58 WrapperNode [2019-11-20 04:18:58,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:18:58,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:18:58,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:18:58,307 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:18:58,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:18:58" (1/1) ... [2019-11-20 04:18:58,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:18:58" (1/1) ... [2019-11-20 04:18:58,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:18:58,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:18:58,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:18:58,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:18:58,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:18:58" (1/1) ... [2019-11-20 04:18:58,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:18:58" (1/1) ... [2019-11-20 04:18:58,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:18:58" (1/1) ... [2019-11-20 04:18:58,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:18:58" (1/1) ... [2019-11-20 04:18:58,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:18:58" (1/1) ... [2019-11-20 04:18:58,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:18:58" (1/1) ... [2019-11-20 04:18:58,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:18:58" (1/1) ... [2019-11-20 04:18:58,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:18:58,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:18:58,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:18:58,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:18:58,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:18:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:18:58,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 04:18:58,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 04:18:58,420 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-20 04:18:58,420 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-20 04:18:58,421 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-20 04:18:58,421 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-20 04:18:58,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:18:58,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:18:58,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 04:18:58,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 04:18:58,800 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 04:18:58,800 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-20 04:18:58,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:18:58 BoogieIcfgContainer [2019-11-20 04:18:58,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 04:18:58,802 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 04:18:58,802 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 04:18:58,810 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 04:18:58,810 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 04:18:58,811 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 04:18:58" (1/3) ... [2019-11-20 04:18:58,812 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@16358446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 04:18:58, skipping insertion in model container [2019-11-20 04:18:58,812 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 04:18:58,812 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:18:58" (2/3) ... [2019-11-20 04:18:58,812 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@16358446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 04:18:58, skipping insertion in model container [2019-11-20 04:18:58,813 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 04:18:58,815 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:18:58" (3/3) ... [2019-11-20 04:18:58,816 INFO L371 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex5.i [2019-11-20 04:18:58,857 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 04:18:58,857 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 04:18:58,858 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 04:18:58,858 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 04:18:58,858 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 04:18:58,859 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 04:18:58,859 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 04:18:58,859 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 04:18:58,875 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states. [2019-11-20 04:18:58,902 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-20 04:18:58,902 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:18:58,902 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:18:58,911 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 04:18:58,911 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:18:58,911 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 04:18:58,911 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states. [2019-11-20 04:18:58,916 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-20 04:18:58,916 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:18:58,916 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:18:58,917 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 04:18:58,917 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:18:58,922 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 12#L-1true havoc main_#res;havoc main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~short17, main_#t~mem18, main_#t~ret19.base, main_#t~ret19.offset, main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnHeap(4);main_~p1~0.base, main_~p1~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnHeap(4);main_~p2~0.base, main_~p2~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call write~int(main_#t~nondet13, main_~p1~0.base, main_~p1~0.offset, 4);havoc main_#t~nondet13;call write~int(main_#t~nondet14, main_~p2~0.base, main_~p2~0.offset, 4);havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~p1~0.base, main_~p1~0.offset, 4);main_#t~short17 := main_#t~mem15 < 0; 13#L63true assume !main_#t~short17;call main_#t~mem16 := read~int(main_~p2~0.base, main_~p2~0.offset, 4);main_#t~short17 := main_#t~mem16 < 0; 8#L63-2true assume !main_#t~short17;havoc main_#t~mem15;havoc main_#t~mem16;havoc main_#t~short17;call main_#t~mem18 := read~int(main_~p2~0.base, main_~p2~0.offset, 4); 21#L66true call main_#t~ret19.base, main_#t~ret19.offset := f(main_~p1~0.base, main_~p1~0.offset, main_#t~mem18);< 18#fENTRYtrue [2019-11-20 04:18:58,923 INFO L796 eck$LassoCheckResult]: Loop: 18#fENTRYtrue ~q.base, ~q.offset := #in~q.base, #in~q.offset;~v := #in~v; 11#L17true assume !(~v < 0);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(4);~tmp~0.base, ~tmp~0.offset := #t~malloc2.base, #t~malloc2.offset;call write~int(1 + ~v, ~tmp~0.base, ~tmp~0.offset, 4); 19#L25true call #t~ret3.base, #t~ret3.offset := g(~tmp~0.base, ~tmp~0.offset);< 15#gENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 3#L34true assume #t~mem5 < 0;havoc #t~mem5;call ULTIMATE.dealloc(~p.base, ~p.offset);call #t~malloc6.base, #t~malloc6.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc6.base, #t~malloc6.offset; 4#gFINALtrue assume true; 7#gEXITtrue >#37#return; 22#L25-1true call #t~ret4.base, #t~ret4.offset := f(#t~ret3.base, #t~ret3.offset, ~v - 1);< 18#fENTRYtrue [2019-11-20 04:18:58,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:18:58,927 INFO L82 PathProgramCache]: Analyzing trace with hash 44919073, now seen corresponding path program 1 times [2019-11-20 04:18:58,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:18:58,934 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566314740] [2019-11-20 04:18:58,935 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:18:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:18:59,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:18:59,067 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:18:59,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:18:59,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1513071857, now seen corresponding path program 1 times [2019-11-20 04:18:59,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:18:59,068 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395848575] [2019-11-20 04:18:59,068 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:18:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:18:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:18:59,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:18:59,257 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395848575] [2019-11-20 04:18:59,257 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:18:59,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 04:18:59,258 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273761149] [2019-11-20 04:18:59,262 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 04:18:59,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:18:59,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 04:18:59,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-20 04:18:59,274 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 6 states. [2019-11-20 04:18:59,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:18:59,400 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2019-11-20 04:18:59,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 04:18:59,402 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2019-11-20 04:18:59,405 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-20 04:18:59,411 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 17 states and 20 transitions. [2019-11-20 04:18:59,412 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2019-11-20 04:18:59,412 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2019-11-20 04:18:59,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 20 transitions. [2019-11-20 04:18:59,414 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 04:18:59,414 INFO L688 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-11-20 04:18:59,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 20 transitions. [2019-11-20 04:18:59,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-11-20 04:18:59,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-20 04:18:59,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2019-11-20 04:18:59,440 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-11-20 04:18:59,440 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-11-20 04:18:59,440 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 04:18:59,441 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2019-11-20 04:18:59,442 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-20 04:18:59,442 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:18:59,442 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:18:59,442 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 04:18:59,443 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:18:59,443 INFO L794 eck$LassoCheckResult]: Stem: 78#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 76#L-1 havoc main_#res;havoc main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~short17, main_#t~mem18, main_#t~ret19.base, main_#t~ret19.offset, main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnHeap(4);main_~p1~0.base, main_~p1~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnHeap(4);main_~p2~0.base, main_~p2~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call write~int(main_#t~nondet13, main_~p1~0.base, main_~p1~0.offset, 4);havoc main_#t~nondet13;call write~int(main_#t~nondet14, main_~p2~0.base, main_~p2~0.offset, 4);havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~p1~0.base, main_~p1~0.offset, 4);main_#t~short17 := main_#t~mem15 < 0; 77#L63 assume !main_#t~short17;call main_#t~mem16 := read~int(main_~p2~0.base, main_~p2~0.offset, 4);main_#t~short17 := main_#t~mem16 < 0; 71#L63-2 assume !main_#t~short17;havoc main_#t~mem15;havoc main_#t~mem16;havoc main_#t~short17;call main_#t~mem18 := read~int(main_~p2~0.base, main_~p2~0.offset, 4); 72#L66 call main_#t~ret19.base, main_#t~ret19.offset := f(main_~p1~0.base, main_~p1~0.offset, main_#t~mem18);< 79#fENTRY [2019-11-20 04:18:59,443 INFO L796 eck$LassoCheckResult]: Loop: 79#fENTRY ~q.base, ~q.offset := #in~q.base, #in~q.offset;~v := #in~v; 74#L17 assume !(~v < 0);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(4);~tmp~0.base, ~tmp~0.offset := #t~malloc2.base, #t~malloc2.offset;call write~int(1 + ~v, ~tmp~0.base, ~tmp~0.offset, 4); 65#L25 call #t~ret3.base, #t~ret3.offset := g(~tmp~0.base, ~tmp~0.offset);< 69#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 64#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 66#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 69#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 64#L34 assume #t~mem5 < 0;havoc #t~mem5;call ULTIMATE.dealloc(~p.base, ~p.offset);call #t~malloc6.base, #t~malloc6.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc6.base, #t~malloc6.offset; 67#gFINAL assume true; 68#gEXIT >#41#return; 70#L42-1 ~np~0.base, ~np~0.offset := #t~ret9.base, #t~ret9.offset;havoc #t~ret9.base, #t~ret9.offset;call ULTIMATE.dealloc(~np~0.base, ~np~0.offset);call #t~malloc10.base, #t~malloc10.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc10.base, #t~malloc10.offset; 73#gFINAL assume true; 80#gEXIT >#37#return; 75#L25-1 call #t~ret4.base, #t~ret4.offset := f(#t~ret3.base, #t~ret3.offset, ~v - 1);< 79#fENTRY [2019-11-20 04:18:59,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:18:59,443 INFO L82 PathProgramCache]: Analyzing trace with hash 44919073, now seen corresponding path program 2 times [2019-11-20 04:18:59,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:18:59,444 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247449093] [2019-11-20 04:18:59,444 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:18:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:18:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:18:59,495 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:18:59,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:18:59,496 INFO L82 PathProgramCache]: Analyzing trace with hash 916774883, now seen corresponding path program 1 times [2019-11-20 04:18:59,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:18:59,496 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596921862] [2019-11-20 04:18:59,496 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:18:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:18:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:18:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:18:59,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 04:18:59,737 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596921862] [2019-11-20 04:18:59,737 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1794113803] [2019-11-20 04:18:59,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 04:18:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:18:59,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 25 conjunts are in the unsatisfiable core [2019-11-20 04:18:59,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:18:59,885 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-11-20 04:18:59,886 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:18:59,897 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:18:59,899 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 04:18:59,899 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:7 [2019-11-20 04:19:00,057 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 04:19:00,057 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 04:19:00,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2019-11-20 04:19:00,058 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609114443] [2019-11-20 04:19:00,058 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 04:19:00,059 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:19:00,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-20 04:19:00,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2019-11-20 04:19:00,059 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand 15 states. [2019-11-20 04:19:00,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:19:00,301 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2019-11-20 04:19:00,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 04:19:00,302 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. [2019-11-20 04:19:00,304 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-20 04:19:00,305 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 23 transitions. [2019-11-20 04:19:00,305 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2019-11-20 04:19:00,305 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-11-20 04:19:00,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 23 transitions. [2019-11-20 04:19:00,306 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 04:19:00,306 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2019-11-20 04:19:00,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 23 transitions. [2019-11-20 04:19:00,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-11-20 04:19:00,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-20 04:19:00,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2019-11-20 04:19:00,309 INFO L711 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2019-11-20 04:19:00,309 INFO L591 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2019-11-20 04:19:00,309 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 04:19:00,309 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. [2019-11-20 04:19:00,310 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-20 04:19:00,310 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:19:00,310 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:19:00,311 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 04:19:00,311 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2019-11-20 04:19:00,312 INFO L794 eck$LassoCheckResult]: Stem: 192#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 190#L-1 havoc main_#res;havoc main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~short17, main_#t~mem18, main_#t~ret19.base, main_#t~ret19.offset, main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnHeap(4);main_~p1~0.base, main_~p1~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnHeap(4);main_~p2~0.base, main_~p2~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call write~int(main_#t~nondet13, main_~p1~0.base, main_~p1~0.offset, 4);havoc main_#t~nondet13;call write~int(main_#t~nondet14, main_~p2~0.base, main_~p2~0.offset, 4);havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~p1~0.base, main_~p1~0.offset, 4);main_#t~short17 := main_#t~mem15 < 0; 191#L63 assume !main_#t~short17;call main_#t~mem16 := read~int(main_~p2~0.base, main_~p2~0.offset, 4);main_#t~short17 := main_#t~mem16 < 0; 185#L63-2 assume !main_#t~short17;havoc main_#t~mem15;havoc main_#t~mem16;havoc main_#t~short17;call main_#t~mem18 := read~int(main_~p2~0.base, main_~p2~0.offset, 4); 186#L66 call main_#t~ret19.base, main_#t~ret19.offset := f(main_~p1~0.base, main_~p1~0.offset, main_#t~mem18);< 193#fENTRY [2019-11-20 04:19:00,312 INFO L796 eck$LassoCheckResult]: Loop: 193#fENTRY ~q.base, ~q.offset := #in~q.base, #in~q.offset;~v := #in~v; 188#L17 assume !(~v < 0);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(4);~tmp~0.base, ~tmp~0.offset := #t~malloc2.base, #t~malloc2.offset;call write~int(1 + ~v, ~tmp~0.base, ~tmp~0.offset, 4); 179#L25 call #t~ret3.base, #t~ret3.offset := g(~tmp~0.base, ~tmp~0.offset);< 183#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 178#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 180#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 183#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 178#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 180#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 183#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 178#L34 assume #t~mem5 < 0;havoc #t~mem5;call ULTIMATE.dealloc(~p.base, ~p.offset);call #t~malloc6.base, #t~malloc6.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc6.base, #t~malloc6.offset; 181#gFINAL assume true; 182#gEXIT >#41#return; 184#L42-1 ~np~0.base, ~np~0.offset := #t~ret9.base, #t~ret9.offset;havoc #t~ret9.base, #t~ret9.offset;call ULTIMATE.dealloc(~np~0.base, ~np~0.offset);call #t~malloc10.base, #t~malloc10.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc10.base, #t~malloc10.offset; 187#gFINAL assume true; 197#gEXIT >#41#return; 195#L42-1 ~np~0.base, ~np~0.offset := #t~ret9.base, #t~ret9.offset;havoc #t~ret9.base, #t~ret9.offset;call ULTIMATE.dealloc(~np~0.base, ~np~0.offset);call #t~malloc10.base, #t~malloc10.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc10.base, #t~malloc10.offset; 196#gFINAL assume true; 194#gEXIT >#37#return; 189#L25-1 call #t~ret4.base, #t~ret4.offset := f(#t~ret3.base, #t~ret3.offset, ~v - 1);< 193#fENTRY [2019-11-20 04:19:00,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:19:00,312 INFO L82 PathProgramCache]: Analyzing trace with hash 44919073, now seen corresponding path program 3 times [2019-11-20 04:19:00,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:19:00,313 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546025366] [2019-11-20 04:19:00,313 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:19:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:19:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:19:00,336 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:19:00,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:19:00,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1267451407, now seen corresponding path program 2 times [2019-11-20 04:19:00,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:19:00,337 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951654404] [2019-11-20 04:19:00,337 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:19:00,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:19:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:19:00,405 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:19:00,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:19:00,406 INFO L82 PathProgramCache]: Analyzing trace with hash -2054594769, now seen corresponding path program 1 times [2019-11-20 04:19:00,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:19:00,406 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441350328] [2019-11-20 04:19:00,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:19:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:19:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:19:00,608 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:19:01,210 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2019-11-20 04:19:01,430 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-11-20 04:19:01,907 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 111 [2019-11-20 04:19:02,028 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-11-20 04:19:02,203 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-11-20 04:19:02,333 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-11-20 04:19:02,732 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 125 [2019-11-20 04:19:02,844 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-11-20 04:19:02,968 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-11-20 04:19:03,302 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 91 [2019-11-20 04:19:03,560 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 04:19:03,561 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 04:19:03,561 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 04:19:03,561 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 04:19:03,561 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 04:19:03,561 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:03,561 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 04:19:03,562 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 04:19:03,562 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex5.i_Iteration3_Lasso [2019-11-20 04:19:03,562 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 04:19:03,562 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 04:19:03,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:03,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:04,473 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-11-20 04:19:04,570 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 04:19:04,575 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:04,581 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 [2019-11-20 04:19:04,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:04,583 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:19:04,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:04,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:04,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:04,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:19:04,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:19:04,588 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:04,613 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:04,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:04,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:19:04,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:04,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:04,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:04,626 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:19:04,626 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:19:04,629 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:19:04,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:04,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:04,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:19:04,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:04,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:04,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:04,647 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:19:04,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:04,649 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/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 [2019-11-20 04:19:04,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:04,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:04,658 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:19:04,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:04,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:04,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:04,659 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:19:04,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:19:04,661 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:04,678 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 [2019-11-20 04:19:04,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:04,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:19:04,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:04,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:04,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:04,681 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:19:04,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:19:04,682 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/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 [2019-11-20 04:19:04,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:04,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:04,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:19:04,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:04,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:04,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:04,688 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:19:04,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:19:04,689 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:04,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:04,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:04,695 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:19:04,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:04,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:04,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:04,697 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:19:04,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:19:04,699 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:04,704 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:04,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:04,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:19:04,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:04,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:04,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:04,706 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:19:04,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:19:04,708 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/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 [2019-11-20 04:19:04,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:04,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:04,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:04,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:04,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:04,717 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:19:04,717 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:19:04,721 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/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 [2019-11-20 04:19:04,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:04,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:04,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:19:04,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:04,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:04,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:04,727 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:19:04,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:19:04,728 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:04,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:04,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:04,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:19:04,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:04,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:04,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:04,736 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:19:04,736 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:19:04,741 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/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 [2019-11-20 04:19:04,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:04,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:04,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:19:04,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:04,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:04,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:04,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:19:04,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:19:04,751 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/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 [2019-11-20 04:19:04,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:04,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:04,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:19:04,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:04,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:04,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:04,760 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:19:04,760 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:19:04,762 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/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 [2019-11-20 04:19:04,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:04,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:04,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:04,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:04,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:04,777 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:19:04,778 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:19:04,782 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:19:04,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:04,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:04,795 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:19:04,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:04,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:04,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:04,796 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:19:04,796 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:19:04,797 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:19:04,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:04,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:04,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:19:04,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:04,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:04,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:04,816 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:19:04,816 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:04,818 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:04,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:04,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:04,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:19:04,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:04,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:04,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:04,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:19:04,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:19:04,837 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:19:04,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:04,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:04,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:19:04,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:04,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:04,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:04,847 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:19:04,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:19:04,849 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:04,855 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:04,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:04,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:04,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:04,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:04,861 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:19:04,861 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:19:04,867 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:04,871 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:04,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:04,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:04,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:04,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:04,876 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:19:04,876 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:19:04,885 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 04:19:04,908 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-20 04:19:04,908 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:19:04,930 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:04,937 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 04:19:04,937 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 04:19:04,938 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(f_#in~v) = 2*f_#in~v + 1 Supporting invariants [] [2019-11-20 04:19:04,946 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2019-11-20 04:19:04,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:19:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:19:04,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 04:19:04,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:19:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:19:05,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-20 04:19:05,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:19:05,171 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 04:19:05,174 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2019-11-20 04:19:05,175 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 23 transitions. cyclomatic complexity: 5 Second operand 5 states. [2019-11-20 04:19:05,268 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 23 transitions. cyclomatic complexity: 5. Second operand 5 states. Result 63 states and 72 transitions. Complement of second has 15 states. [2019-11-20 04:19:05,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-20 04:19:05,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 04:19:05,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2019-11-20 04:19:05,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 5 letters. Loop has 20 letters. [2019-11-20 04:19:05,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:19:05,273 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 25 letters. Loop has 20 letters. [2019-11-20 04:19:05,274 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:19:05,274 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 5 letters. Loop has 40 letters. [2019-11-20 04:19:05,275 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:19:05,275 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 72 transitions. [2019-11-20 04:19:05,282 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 04:19:05,286 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 40 states and 47 transitions. [2019-11-20 04:19:05,289 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2019-11-20 04:19:05,289 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-11-20 04:19:05,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 47 transitions. [2019-11-20 04:19:05,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 04:19:05,290 INFO L688 BuchiCegarLoop]: Abstraction has 40 states and 47 transitions. [2019-11-20 04:19:05,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 47 transitions. [2019-11-20 04:19:05,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 29. [2019-11-20 04:19:05,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-20 04:19:05,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2019-11-20 04:19:05,298 INFO L711 BuchiCegarLoop]: Abstraction has 29 states and 34 transitions. [2019-11-20 04:19:05,298 INFO L591 BuchiCegarLoop]: Abstraction has 29 states and 34 transitions. [2019-11-20 04:19:05,298 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 04:19:05,298 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 34 transitions. [2019-11-20 04:19:05,299 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 04:19:05,300 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:19:05,301 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:19:05,301 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:19:05,301 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 04:19:05,302 INFO L794 eck$LassoCheckResult]: Stem: 397#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 395#L-1 havoc main_#res;havoc main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~short17, main_#t~mem18, main_#t~ret19.base, main_#t~ret19.offset, main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnHeap(4);main_~p1~0.base, main_~p1~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnHeap(4);main_~p2~0.base, main_~p2~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call write~int(main_#t~nondet13, main_~p1~0.base, main_~p1~0.offset, 4);havoc main_#t~nondet13;call write~int(main_#t~nondet14, main_~p2~0.base, main_~p2~0.offset, 4);havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~p1~0.base, main_~p1~0.offset, 4);main_#t~short17 := main_#t~mem15 < 0; 396#L63 assume !main_#t~short17;call main_#t~mem16 := read~int(main_~p2~0.base, main_~p2~0.offset, 4);main_#t~short17 := main_#t~mem16 < 0; 388#L63-2 assume !main_#t~short17;havoc main_#t~mem15;havoc main_#t~mem16;havoc main_#t~short17;call main_#t~mem18 := read~int(main_~p2~0.base, main_~p2~0.offset, 4); 389#L66 call main_#t~ret19.base, main_#t~ret19.offset := f(main_~p1~0.base, main_~p1~0.offset, main_#t~mem18);< 398#fENTRY ~q.base, ~q.offset := #in~q.base, #in~q.offset;~v := #in~v; 391#L17 assume !(~v < 0);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(4);~tmp~0.base, ~tmp~0.offset := #t~malloc2.base, #t~malloc2.offset;call write~int(1 + ~v, ~tmp~0.base, ~tmp~0.offset, 4); 378#L25 call #t~ret3.base, #t~ret3.offset := g(~tmp~0.base, ~tmp~0.offset);< 385#gENTRY [2019-11-20 04:19:05,302 INFO L796 eck$LassoCheckResult]: Loop: 385#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 377#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 379#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 385#gENTRY [2019-11-20 04:19:05,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:19:05,302 INFO L82 PathProgramCache]: Analyzing trace with hash -1845692449, now seen corresponding path program 1 times [2019-11-20 04:19:05,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:19:05,303 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879745649] [2019-11-20 04:19:05,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:19:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:19:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:19:05,342 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:19:05,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:19:05,342 INFO L82 PathProgramCache]: Analyzing trace with hash 38883, now seen corresponding path program 1 times [2019-11-20 04:19:05,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:19:05,343 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232399702] [2019-11-20 04:19:05,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:19:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:19:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:19:05,358 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:19:05,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:19:05,359 INFO L82 PathProgramCache]: Analyzing trace with hash -852415675, now seen corresponding path program 1 times [2019-11-20 04:19:05,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:19:05,359 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662591017] [2019-11-20 04:19:05,359 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:19:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:19:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:19:05,403 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:19:05,651 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2019-11-20 04:19:06,093 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 91 [2019-11-20 04:19:06,529 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2019-11-20 04:19:06,625 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 04:19:06,625 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 04:19:06,625 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 04:19:06,625 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 04:19:06,626 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 04:19:06,626 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:06,626 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 04:19:06,626 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 04:19:06,626 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex5.i_Iteration4_Lasso [2019-11-20 04:19:06,626 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 04:19:06,626 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 04:19:06,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:06,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:07,278 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2019-11-20 04:19:07,324 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 04:19:07,325 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:07,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:07,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:07,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:19:07,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:07,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:07,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:07,334 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:19:07,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:19:07,335 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:07,338 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:07,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:07,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:19:07,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:07,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:07,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:07,340 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:19:07,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:19:07,341 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:07,346 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:07,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:07,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:19:07,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:07,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:07,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:07,347 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:19:07,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:19:07,351 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:07,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:07,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:07,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:19:07,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:07,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:07,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:07,358 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:19:07,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:19:07,361 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:19:07,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:07,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:07,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:19:07,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:07,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:07,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:07,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:19:07,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:07,379 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:19:07,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:07,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:07,391 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:19:07,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:07,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:07,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:07,393 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:19:07,393 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:07,394 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:07,399 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:07,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:07,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:19:07,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:07,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:07,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:07,401 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:19:07,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:19:07,402 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:19:07,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:07,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:07,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:19:07,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:07,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:07,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:07,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:19:07,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:07,416 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:07,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:07,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:07,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:19:07,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:07,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:07,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:07,423 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:19:07,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:19:07,424 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:07,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:07,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:07,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:07,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:07,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:07,431 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:19:07,431 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:19:07,437 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:19:07,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:07,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:07,446 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:19:07,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:07,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:07,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:07,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:19:07,447 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:07,448 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:19:07,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:07,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:07,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:19:07,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:07,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:07,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:07,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:19:07,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:07,457 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:07,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:07,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:07,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:07,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:07,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:07,467 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:19:07,467 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:19:07,472 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Exception during sending of exit command (exit): Stream closed No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:07,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:07,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:07,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:07,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:07,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:07,484 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:19:07,484 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:19:07,488 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 04:19:07,504 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-20 04:19:07,504 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:19:07,508 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:07,510 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 04:19:07,511 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 04:19:07,511 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int g_#in~p.base) g_#in~p.offset)_1) = 2*v_rep(select (select #memory_int g_#in~p.base) g_#in~p.offset)_1 + 1 Supporting invariants [] [2019-11-20 04:19:07,515 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2019-11-20 04:19:07,516 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 04:19:07,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:19:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:19:07,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 04:19:07,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:19:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:19:07,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-20 04:19:07,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:19:07,579 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2019-11-20 04:19:07,579 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:19:07,583 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:19:07,583 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 04:19:07,583 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:21 [2019-11-20 04:19:07,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:19:07,593 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-20 04:19:07,593 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 34 transitions. cyclomatic complexity: 8 Second operand 4 states. [2019-11-20 04:19:07,648 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 34 transitions. cyclomatic complexity: 8. Second operand 4 states. Result 57 states and 66 transitions. Complement of second has 15 states. [2019-11-20 04:19:07,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-20 04:19:07,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 04:19:07,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2019-11-20 04:19:07,652 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 8 letters. Loop has 3 letters. [2019-11-20 04:19:07,652 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:19:07,652 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 11 letters. Loop has 3 letters. [2019-11-20 04:19:07,652 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:19:07,652 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 8 letters. Loop has 6 letters. [2019-11-20 04:19:07,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:19:07,653 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 66 transitions. [2019-11-20 04:19:07,656 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 04:19:07,658 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 40 states and 48 transitions. [2019-11-20 04:19:07,658 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-20 04:19:07,658 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-20 04:19:07,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 48 transitions. [2019-11-20 04:19:07,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 04:19:07,659 INFO L688 BuchiCegarLoop]: Abstraction has 40 states and 48 transitions. [2019-11-20 04:19:07,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 48 transitions. [2019-11-20 04:19:07,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-20 04:19:07,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-20 04:19:07,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2019-11-20 04:19:07,664 INFO L711 BuchiCegarLoop]: Abstraction has 40 states and 48 transitions. [2019-11-20 04:19:07,664 INFO L591 BuchiCegarLoop]: Abstraction has 40 states and 48 transitions. [2019-11-20 04:19:07,664 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-20 04:19:07,664 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 48 transitions. [2019-11-20 04:19:07,665 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 04:19:07,665 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:19:07,665 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:19:07,666 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:19:07,666 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 04:19:07,666 INFO L794 eck$LassoCheckResult]: Stem: 559#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 557#L-1 havoc main_#res;havoc main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~short17, main_#t~mem18, main_#t~ret19.base, main_#t~ret19.offset, main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnHeap(4);main_~p1~0.base, main_~p1~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnHeap(4);main_~p2~0.base, main_~p2~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call write~int(main_#t~nondet13, main_~p1~0.base, main_~p1~0.offset, 4);havoc main_#t~nondet13;call write~int(main_#t~nondet14, main_~p2~0.base, main_~p2~0.offset, 4);havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~p1~0.base, main_~p1~0.offset, 4);main_#t~short17 := main_#t~mem15 < 0; 558#L63 assume !main_#t~short17;call main_#t~mem16 := read~int(main_~p2~0.base, main_~p2~0.offset, 4);main_#t~short17 := main_#t~mem16 < 0; 551#L63-2 assume !main_#t~short17;havoc main_#t~mem15;havoc main_#t~mem16;havoc main_#t~short17;call main_#t~mem18 := read~int(main_~p2~0.base, main_~p2~0.offset, 4); 552#L66 call main_#t~ret19.base, main_#t~ret19.offset := f(main_~p1~0.base, main_~p1~0.offset, main_#t~mem18);< 561#fENTRY ~q.base, ~q.offset := #in~q.base, #in~q.offset;~v := #in~v; 556#L17 assume !(~v < 0);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(4);~tmp~0.base, ~tmp~0.offset := #t~malloc2.base, #t~malloc2.offset;call write~int(1 + ~v, ~tmp~0.base, ~tmp~0.offset, 4); 540#L25 call #t~ret3.base, #t~ret3.offset := g(~tmp~0.base, ~tmp~0.offset);< 560#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 539#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 541#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 573#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 570#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 543#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 573#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 569#L34 assume #t~mem5 < 0;havoc #t~mem5;call ULTIMATE.dealloc(~p.base, ~p.offset);call #t~malloc6.base, #t~malloc6.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc6.base, #t~malloc6.offset; 542#gFINAL assume true; 544#gEXIT >#41#return; 550#L42-1 ~np~0.base, ~np~0.offset := #t~ret9.base, #t~ret9.offset;havoc #t~ret9.base, #t~ret9.offset;call ULTIMATE.dealloc(~np~0.base, ~np~0.offset);call #t~malloc10.base, #t~malloc10.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc10.base, #t~malloc10.offset; 553#gFINAL assume true; 568#gEXIT >#41#return; 567#L42-1 ~np~0.base, ~np~0.offset := #t~ret9.base, #t~ret9.offset;havoc #t~ret9.base, #t~ret9.offset;call ULTIMATE.dealloc(~np~0.base, ~np~0.offset);call #t~malloc10.base, #t~malloc10.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc10.base, #t~malloc10.offset; 566#gFINAL assume true; 564#gEXIT >#37#return; 555#L25-1 call #t~ret4.base, #t~ret4.offset := f(#t~ret3.base, #t~ret3.offset, ~v - 1);< 562#fENTRY ~q.base, ~q.offset := #in~q.base, #in~q.offset;~v := #in~v; 554#L17 assume !(~v < 0);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(4);~tmp~0.base, ~tmp~0.offset := #t~malloc2.base, #t~malloc2.offset;call write~int(1 + ~v, ~tmp~0.base, ~tmp~0.offset, 4); 538#L25 call #t~ret3.base, #t~ret3.offset := g(~tmp~0.base, ~tmp~0.offset);< 545#gENTRY [2019-11-20 04:19:07,666 INFO L796 eck$LassoCheckResult]: Loop: 545#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 536#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 537#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 545#gENTRY [2019-11-20 04:19:07,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:19:07,667 INFO L82 PathProgramCache]: Analyzing trace with hash -853827823, now seen corresponding path program 2 times [2019-11-20 04:19:07,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:19:07,667 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975386385] [2019-11-20 04:19:07,667 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:19:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:19:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:19:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:19:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:19:07,887 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 04:19:07,887 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975386385] [2019-11-20 04:19:07,887 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957784453] [2019-11-20 04:19:07,887 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 04:19:07,978 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-20 04:19:07,978 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 04:19:07,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 38 conjunts are in the unsatisfiable core [2019-11-20 04:19:07,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:19:07,991 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-11-20 04:19:07,991 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:19:07,993 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:19:07,994 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 04:19:07,994 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2019-11-20 04:19:08,169 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2019-11-20 04:19:08,169 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:19:08,171 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:19:08,171 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 04:19:08,171 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:3 [2019-11-20 04:19:08,176 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 04:19:08,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 04:19:08,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2019-11-20 04:19:08,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276586319] [2019-11-20 04:19:08,177 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 04:19:08,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:19:08,177 INFO L82 PathProgramCache]: Analyzing trace with hash 38883, now seen corresponding path program 2 times [2019-11-20 04:19:08,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:19:08,178 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627431953] [2019-11-20 04:19:08,178 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:19:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:19:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:19:08,185 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:19:08,304 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:19:08,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-11-20 04:19:08,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2019-11-20 04:19:08,305 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. cyclomatic complexity: 12 Second operand 19 states. [2019-11-20 04:19:08,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:19:08,528 INFO L93 Difference]: Finished difference Result 53 states and 67 transitions. [2019-11-20 04:19:08,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-20 04:19:08,529 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 67 transitions. [2019-11-20 04:19:08,531 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 04:19:08,532 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 46 states and 58 transitions. [2019-11-20 04:19:08,532 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-20 04:19:08,532 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-20 04:19:08,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 58 transitions. [2019-11-20 04:19:08,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 04:19:08,533 INFO L688 BuchiCegarLoop]: Abstraction has 46 states and 58 transitions. [2019-11-20 04:19:08,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 58 transitions. [2019-11-20 04:19:08,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2019-11-20 04:19:08,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-20 04:19:08,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 52 transitions. [2019-11-20 04:19:08,538 INFO L711 BuchiCegarLoop]: Abstraction has 43 states and 52 transitions. [2019-11-20 04:19:08,538 INFO L591 BuchiCegarLoop]: Abstraction has 43 states and 52 transitions. [2019-11-20 04:19:08,538 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-20 04:19:08,539 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 52 transitions. [2019-11-20 04:19:08,539 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 04:19:08,539 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:19:08,540 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:19:08,541 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:19:08,541 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 04:19:08,541 INFO L794 eck$LassoCheckResult]: Stem: 795#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 793#L-1 havoc main_#res;havoc main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~short17, main_#t~mem18, main_#t~ret19.base, main_#t~ret19.offset, main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnHeap(4);main_~p1~0.base, main_~p1~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnHeap(4);main_~p2~0.base, main_~p2~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call write~int(main_#t~nondet13, main_~p1~0.base, main_~p1~0.offset, 4);havoc main_#t~nondet13;call write~int(main_#t~nondet14, main_~p2~0.base, main_~p2~0.offset, 4);havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~p1~0.base, main_~p1~0.offset, 4);main_#t~short17 := main_#t~mem15 < 0; 794#L63 assume !main_#t~short17;call main_#t~mem16 := read~int(main_~p2~0.base, main_~p2~0.offset, 4);main_#t~short17 := main_#t~mem16 < 0; 786#L63-2 assume !main_#t~short17;havoc main_#t~mem15;havoc main_#t~mem16;havoc main_#t~short17;call main_#t~mem18 := read~int(main_~p2~0.base, main_~p2~0.offset, 4); 787#L66 call main_#t~ret19.base, main_#t~ret19.offset := f(main_~p1~0.base, main_~p1~0.offset, main_#t~mem18);< 799#fENTRY ~q.base, ~q.offset := #in~q.base, #in~q.offset;~v := #in~v; 800#L17 assume !(~v < 0);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(4);~tmp~0.base, ~tmp~0.offset := #t~malloc2.base, #t~malloc2.offset;call write~int(1 + ~v, ~tmp~0.base, ~tmp~0.offset, 4); 797#L25 call #t~ret3.base, #t~ret3.offset := g(~tmp~0.base, ~tmp~0.offset);< 796#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 798#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 777#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 784#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 810#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 776#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 784#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 810#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 776#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 784#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 775#L34 assume #t~mem5 < 0;havoc #t~mem5;call ULTIMATE.dealloc(~p.base, ~p.offset);call #t~malloc6.base, #t~malloc6.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc6.base, #t~malloc6.offset; 778#gFINAL assume true; 813#gEXIT >#41#return; 788#L42-1 ~np~0.base, ~np~0.offset := #t~ret9.base, #t~ret9.offset;havoc #t~ret9.base, #t~ret9.offset;call ULTIMATE.dealloc(~np~0.base, ~np~0.offset);call #t~malloc10.base, #t~malloc10.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc10.base, #t~malloc10.offset; 779#gFINAL assume true; 782#gEXIT >#41#return; 785#L42-1 ~np~0.base, ~np~0.offset := #t~ret9.base, #t~ret9.offset;havoc #t~ret9.base, #t~ret9.offset;call ULTIMATE.dealloc(~np~0.base, ~np~0.offset);call #t~malloc10.base, #t~malloc10.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc10.base, #t~malloc10.offset; 812#gFINAL assume true; 805#gEXIT >#41#return; 804#L42-1 ~np~0.base, ~np~0.offset := #t~ret9.base, #t~ret9.offset;havoc #t~ret9.base, #t~ret9.offset;call ULTIMATE.dealloc(~np~0.base, ~np~0.offset);call #t~malloc10.base, #t~malloc10.offset := #Ultimate.allocOnHeap(4);#res.base, #res.offset := #t~malloc10.base, #t~malloc10.offset; 803#gFINAL assume true; 802#gEXIT >#37#return; 790#L25-1 call #t~ret4.base, #t~ret4.offset := f(#t~ret3.base, #t~ret3.offset, ~v - 1);< 801#fENTRY ~q.base, ~q.offset := #in~q.base, #in~q.offset;~v := #in~v; 789#L17 assume !(~v < 0);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(4);~tmp~0.base, ~tmp~0.offset := #t~malloc2.base, #t~malloc2.offset;call write~int(1 + ~v, ~tmp~0.base, ~tmp~0.offset, 4); 773#L25 call #t~ret3.base, #t~ret3.offset := g(~tmp~0.base, ~tmp~0.offset);< 783#gENTRY [2019-11-20 04:19:08,541 INFO L796 eck$LassoCheckResult]: Loop: 783#gENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4); 772#L34 assume !(#t~mem5 < 0);havoc #t~mem5;call #t~mem7 := read~int(~p.base, ~p.offset, 4);#t~post8 := #t~mem7;call write~int(#t~post8 - 1, ~p.base, ~p.offset, 4);havoc #t~mem7;havoc #t~post8; 774#L42 call #t~ret9.base, #t~ret9.offset := g(~p.base, ~p.offset);< 783#gENTRY [2019-11-20 04:19:08,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:19:08,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1079381827, now seen corresponding path program 3 times [2019-11-20 04:19:08,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:19:08,542 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9062902] [2019-11-20 04:19:08,542 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:19:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:19:08,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:19:08,666 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:19:08,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:19:08,668 INFO L82 PathProgramCache]: Analyzing trace with hash 38883, now seen corresponding path program 3 times [2019-11-20 04:19:08,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:19:08,669 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097551741] [2019-11-20 04:19:08,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:19:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:19:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:19:08,675 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:19:08,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:19:08,675 INFO L82 PathProgramCache]: Analyzing trace with hash 556146087, now seen corresponding path program 4 times [2019-11-20 04:19:08,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:19:08,676 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807699632] [2019-11-20 04:19:08,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:19:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:19:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:19:08,766 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:19:09,311 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2019-11-20 04:19:09,840 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 111 [2019-11-20 04:19:09,949 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-11-20 04:19:10,095 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-11-20 04:19:10,207 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-11-20 04:19:10,549 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 120 [2019-11-20 04:19:10,654 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-11-20 04:19:10,768 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-11-20 04:19:10,875 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-11-20 04:19:11,502 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 134 [2019-11-20 04:19:11,664 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-11-20 04:19:12,118 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 124 [2019-11-20 04:19:12,357 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-11-20 04:19:12,632 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 91 [2019-11-20 04:19:12,878 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-11-20 04:19:12,998 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-11-20 04:19:13,868 WARN L191 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 154 [2019-11-20 04:19:14,163 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-11-20 04:19:14,166 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 04:19:14,166 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 04:19:14,166 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 04:19:14,166 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 04:19:14,166 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 04:19:14,167 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:14,167 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 04:19:14,167 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 04:19:14,167 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex5.i_Iteration6_Lasso [2019-11-20 04:19:14,167 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 04:19:14,167 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 04:19:14,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,483 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 71 [2019-11-20 04:19:14,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:19:14,855 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-11-20 04:19:36,416 WARN L191 SmtUtils]: Spent 21.43 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2019-11-20 04:19:36,478 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 04:19:36,478 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:19:36,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:36,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:36,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:19:36,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:36,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:36,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:36,496 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:19:36,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:36,498 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:19:36,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:36,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:36,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:19:36,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:36,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:36,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:36,509 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:19:36,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:36,511 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:19:36,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:36,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:36,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:19:36,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:36,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:36,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:36,520 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:19:36,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:36,522 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:19:36,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:36,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:36,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:19:36,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:36,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:36,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:36,539 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:19:36,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:36,543 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:19:36,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:36,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:36,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:36,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:36,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:36,554 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:19:36,554 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:36,560 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:19:36,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:19:36,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:19:36,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:19:36,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:19:36,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:19:36,576 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:19:36,576 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:36,586 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 04:19:36,600 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-20 04:19:36,600 INFO L444 ModelExtractionUtils]: 7 out of 16 variables were initially zero. Simplification set additionally 6 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f973e4-996d-4ae0-8a28-e19fd4c10d16/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:19:36,604 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:19:36,606 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 04:19:36,607 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 04:19:36,607 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int g_#in~p.base) g_#in~p.offset)_2) = 2*v_rep(select (select #memory_int g_#in~p.base) g_#in~p.offset)_2 + 1 Supporting invariants [] [2019-11-20 04:19:36,621 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2019-11-20 04:19:36,625 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 04:19:36,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:19:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:19:36,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-20 04:19:36,772 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:19:36,816 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:19:36,823 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:19:36,827 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:19:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:19:36,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-20 04:19:36,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:19:36,866 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2019-11-20 04:19:36,867 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:19:36,875 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:19:36,876 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 04:19:36,876 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:21 [2019-11-20 04:19:36,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:19:36,893 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-11-20 04:19:36,893 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 52 transitions. cyclomatic complexity: 13 Second operand 5 states. [2019-11-20 04:19:36,992 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 52 transitions. cyclomatic complexity: 13. Second operand 5 states. Result 50 states and 59 transitions. Complement of second has 15 states. [2019-11-20 04:19:36,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-20 04:19:36,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 04:19:36,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 14 transitions. [2019-11-20 04:19:36,997 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 34 letters. Loop has 3 letters. [2019-11-20 04:19:36,997 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:19:36,997 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 04:19:37,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:19:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:19:37,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-20 04:19:37,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:19:37,115 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:19:37,117 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:19:37,118 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:19:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:19:37,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-20 04:19:37,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:19:37,158 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2019-11-20 04:19:37,158 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:19:37,163 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:19:37,163 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 04:19:37,163 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:21 [2019-11-20 04:19:37,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:19:37,178 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2019-11-20 04:19:37,178 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 52 transitions. cyclomatic complexity: 13 Second operand 5 states. [2019-11-20 04:19:37,246 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 52 transitions. cyclomatic complexity: 13. Second operand 5 states. Result 50 states and 59 transitions. Complement of second has 15 states. [2019-11-20 04:19:37,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-20 04:19:37,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 04:19:37,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 14 transitions. [2019-11-20 04:19:37,253 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 34 letters. Loop has 3 letters. [2019-11-20 04:19:37,254 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:19:37,254 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 04:19:37,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:19:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:19:37,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-20 04:19:37,350 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:19:37,367 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:19:37,368 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:19:37,370 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:19:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:19:37,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-20 04:19:37,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:19:37,401 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2019-11-20 04:19:37,402 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 04:19:37,410 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:19:37,411 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 04:19:37,411 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:21 [2019-11-20 04:19:37,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:19:37,435 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-11-20 04:19:37,435 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 52 transitions. cyclomatic complexity: 13 Second operand 5 states. [2019-11-20 04:19:37,541 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 52 transitions. cyclomatic complexity: 13. Second operand 5 states. Result 64 states and 73 transitions. Complement of second has 15 states. [2019-11-20 04:19:37,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-20 04:19:37,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 04:19:37,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2019-11-20 04:19:37,542 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 34 letters. Loop has 3 letters. [2019-11-20 04:19:37,542 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:19:37,542 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 37 letters. Loop has 3 letters. [2019-11-20 04:19:37,543 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:19:37,543 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 34 letters. Loop has 6 letters. [2019-11-20 04:19:37,543 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:19:37,543 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 73 transitions. [2019-11-20 04:19:37,545 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 04:19:37,545 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 0 states and 0 transitions. [2019-11-20 04:19:37,545 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 04:19:37,545 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 04:19:37,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 04:19:37,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 04:19:37,546 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:19:37,546 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:19:37,546 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:19:37,546 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-20 04:19:37,546 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 04:19:37,546 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 04:19:37,546 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 04:19:37,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 04:19:37 BoogieIcfgContainer [2019-11-20 04:19:37,552 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 04:19:37,552 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 04:19:37,553 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 04:19:37,553 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 04:19:37,557 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:18:58" (3/4) ... [2019-11-20 04:19:37,560 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 04:19:37,560 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 04:19:37,561 INFO L168 Benchmark]: Toolchain (without parser) took 39518.18 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 522.7 MB). Free memory was 946.1 MB in the beginning and 1.5 GB in the end (delta: -533.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:19:37,561 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:19:37,562 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-20 04:19:37,562 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:19:37,562 INFO L168 Benchmark]: Boogie Preprocessor took 18.11 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 04:19:37,563 INFO L168 Benchmark]: RCFGBuilder took 444.54 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-11-20 04:19:37,563 INFO L168 Benchmark]: BuchiAutomizer took 38750.16 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 387.4 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -378.2 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2019-11-20 04:19:37,566 INFO L168 Benchmark]: Witness Printer took 7.51 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:19:37,568 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 259.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.11 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 444.54 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 38750.16 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 387.4 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -378.2 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. * Witness Printer took 7.51 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function 2 * \old(v) + 1 and consists of 5 locations. One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[p][p] + 1 and consists of 5 locations. One nondeterministic module has affine ranking function 2 * unknown-#memory_int-unknown[p][p] + 1 and consists of 6 locations. 3 modules have a trivial ranking function, the largest among these consists of 19 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 38.7s and 7 iterations. TraceHistogramMax:4. Analysis of lassos took 36.5s. Construction of modules took 0.4s. Büchi inclusion checks took 1.5s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 43 states and ocurred in iteration 5. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 14/14 HoareTripleCheckerStatistics: 115 SDtfs, 87 SDslu, 248 SDs, 0 SdLazy, 344 SolverSat, 65 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital359 mio100 ax100 hnf100 lsp97 ukn38 mio100 lsp34 div100 bol100 ite100 ukn100 eq164 hnf96 smp100 dnf5577 smp76 tf100 neg83 sie161 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 11ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...