./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/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 cb5770b8d32c05b82025135c2b222cf31b0a4100 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:46:31,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:46:31,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:46:31,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:46:31,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:46:31,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:46:31,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:46:31,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:46:31,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:46:31,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:46:31,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:46:31,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:46:31,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:46:31,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:46:31,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:46:31,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:46:31,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:46:31,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:46:31,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:46:31,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:46:31,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:46:31,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:46:31,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:46:31,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:46:31,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:46:31,560 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:46:31,560 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:46:31,561 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:46:31,562 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:46:31,563 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:46:31,563 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:46:31,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:46:31,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:46:31,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:46:31,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:46:31,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:46:31,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:46:31,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:46:31,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:46:31,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:46:31,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:46:31,570 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-25 08:46:31,604 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:46:31,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:46:31,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:46:31,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:46:31,606 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:46:31,606 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:46:31,606 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:46:31,607 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:46:31,607 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:46:31,607 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:46:31,607 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:46:31,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:46:31,608 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:46:31,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:46:31,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:46:31,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:46:31,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:46:31,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:46:31,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:46:31,609 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:46:31,609 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:46:31,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:46:31,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:46:31,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:46:31,610 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:46:31,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:46:31,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:46:31,611 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:46:31,611 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:46:31,612 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_e71c596c-0904-4487-92df-11065c992bfb/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 -> cb5770b8d32c05b82025135c2b222cf31b0a4100 [2019-11-25 08:46:31,748 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:46:31,763 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:46:31,766 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:46:31,773 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:46:31,774 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:46:31,774 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i [2019-11-25 08:46:31,829 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/data/30bedf740/bfc22f8c2c4a4d41b00e602375fe0af7/FLAG02c51cc79 [2019-11-25 08:46:32,295 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:46:32,296 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i [2019-11-25 08:46:32,308 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/data/30bedf740/bfc22f8c2c4a4d41b00e602375fe0af7/FLAG02c51cc79 [2019-11-25 08:46:32,794 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/data/30bedf740/bfc22f8c2c4a4d41b00e602375fe0af7 [2019-11-25 08:46:32,797 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:46:32,798 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:46:32,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:46:32,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:46:32,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:46:32,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:46:32" (1/1) ... [2019-11-25 08:46:32,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@572e1eb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:32, skipping insertion in model container [2019-11-25 08:46:32,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:46:32" (1/1) ... [2019-11-25 08:46:32,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:46:32,857 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:46:33,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:46:33,186 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:46:33,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:46:33,273 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:46:33,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:33 WrapperNode [2019-11-25 08:46:33,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:46:33,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:46:33,275 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:46:33,275 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:46:33,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:33" (1/1) ... [2019-11-25 08:46:33,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:33" (1/1) ... [2019-11-25 08:46:33,324 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:46:33,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:46:33,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:46:33,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:46:33,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:33" (1/1) ... [2019-11-25 08:46:33,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:33" (1/1) ... [2019-11-25 08:46:33,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:33" (1/1) ... [2019-11-25 08:46:33,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:33" (1/1) ... [2019-11-25 08:46:33,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:33" (1/1) ... [2019-11-25 08:46:33,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:33" (1/1) ... [2019-11-25 08:46:33,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:33" (1/1) ... [2019-11-25 08:46:33,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:46:33,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:46:33,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:46:33,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:46:33,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:46:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:46:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:46:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:46:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:46:33,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:46:33,884 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:46:33,884 INFO L284 CfgBuilder]: Removed 12 assume(true) statements. [2019-11-25 08:46:33,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:46:33 BoogieIcfgContainer [2019-11-25 08:46:33,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:46:33,886 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:46:33,886 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:46:33,889 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:46:33,890 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:46:33,890 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:46:32" (1/3) ... [2019-11-25 08:46:33,891 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@305ea742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:46:33, skipping insertion in model container [2019-11-25 08:46:33,892 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:46:33,892 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:33" (2/3) ... [2019-11-25 08:46:33,892 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@305ea742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:46:33, skipping insertion in model container [2019-11-25 08:46:33,892 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:46:33,893 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:46:33" (3/3) ... [2019-11-25 08:46:33,894 INFO L371 chiAutomizerObserver]: Analyzing ICFG HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i [2019-11-25 08:46:33,932 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:46:33,932 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:46:33,932 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:46:33,933 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:46:33,933 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:46:33,933 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:46:33,933 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:46:33,933 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:46:33,946 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states. [2019-11-25 08:46:33,967 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2019-11-25 08:46:33,967 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:46:33,967 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:46:33,974 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-25 08:46:33,974 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:46:33,974 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:46:33,974 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states. [2019-11-25 08:46:33,976 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2019-11-25 08:46:33,976 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:46:33,977 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:46:33,977 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-25 08:46:33,977 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:46:33,984 INFO L794 eck$LassoCheckResult]: Stem: 17#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 14#L-1true havoc main_#res;havoc main_#t~nondet21; 8#L578true assume 0 != main_#t~nondet21;havoc main_#t~nondet21;f_#in~d := 1;havoc f_#t~malloc2.base, f_#t~malloc2.offset, f_#t~malloc3.base, f_#t~malloc3.offset, f_#t~malloc4.base, f_#t~malloc4.offset, f_#t~malloc5.base, f_#t~malloc5.offset, f_#t~malloc6.base, f_#t~malloc6.offset, f_#t~mem7, f_#t~mem10, f_#t~mem8, f_#t~mem9, f_#t~nondet14, f_#t~mem15, f_#t~mem16, f_#t~nondet17, f_#t~mem18, f_#t~mem19, f_#t~mem20, f_#t~mem11, f_#t~mem12, f_#t~short13, f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, f_~x~0.base, f_~x~0.offset, f_~y~0.base, f_~y~0.offset, f_~k~0.base, f_~k~0.offset, f_~z~0.base, f_~z~0.offset;f_~d := f_#in~d;call f_#t~malloc2.base, f_#t~malloc2.offset := #Ultimate.allocOnStack(4);f_~d_ref~0.base, f_~d_ref~0.offset := f_#t~malloc2.base, f_#t~malloc2.offset;call f_#t~malloc3.base, f_#t~malloc3.offset := #Ultimate.allocOnStack(4);f_~x~0.base, f_~x~0.offset := f_#t~malloc3.base, f_#t~malloc3.offset;call f_#t~malloc4.base, f_#t~malloc4.offset := #Ultimate.allocOnStack(4);f_~y~0.base, f_~y~0.offset := f_#t~malloc4.base, f_#t~malloc4.offset;call f_#t~malloc5.base, f_#t~malloc5.offset := #Ultimate.allocOnStack(4);f_~k~0.base, f_~k~0.offset := f_#t~malloc5.base, f_#t~malloc5.offset;call f_#t~malloc6.base, f_#t~malloc6.offset := #Ultimate.allocOnStack(4);f_~z~0.base, f_~z~0.offset := f_#t~malloc6.base, f_#t~malloc6.offset;call write~int(f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(1, f_~x~0.base, f_~x~0.offset, 4);call write~int(1, f_~y~0.base, f_~y~0.offset, 4);call write~int(1, f_~k~0.base, f_~k~0.offset, 4);call write~int(1, f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem7 := read~int(f_~k~0.base, f_~k~0.offset, 4); 3#L558true assume !(f_#t~mem7 > 1073741823);havoc f_#t~mem7; 23#L562-2true [2019-11-25 08:46:33,985 INFO L796 eck$LassoCheckResult]: Loop: 23#L562-2true call f_#t~mem8 := read~int(f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem9 := read~int(f_~k~0.base, f_~k~0.offset, 4); 18#L562true assume !!(f_#t~mem8 < f_#t~mem9);havoc f_#t~mem8;havoc f_#t~mem9;call f_#t~mem10 := read~int(f_~z~0.base, f_~z~0.offset, 4);call write~int(2 * f_#t~mem10, f_~z~0.base, f_~z~0.offset, 4);havoc f_#t~mem10; 23#L562-2true [2019-11-25 08:46:33,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:33,990 INFO L82 PathProgramCache]: Analyzing trace with hash 925608, now seen corresponding path program 1 times [2019-11-25 08:46:33,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:33,998 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046565522] [2019-11-25 08:46:33,998 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:34,197 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:46:34,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:34,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1446, now seen corresponding path program 1 times [2019-11-25 08:46:34,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:34,199 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173399998] [2019-11-25 08:46:34,199 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:34,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:34,219 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:46:34,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:34,221 INFO L82 PathProgramCache]: Analyzing trace with hash 889509773, now seen corresponding path program 1 times [2019-11-25 08:46:34,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:34,221 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728056543] [2019-11-25 08:46:34,221 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:46:34,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:46:34,415 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728056543] [2019-11-25 08:46:34,415 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:46:34,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:46:34,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997793045] [2019-11-25 08:46:34,487 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:46:34,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:46:34,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:46:34,505 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 5 states. [2019-11-25 08:46:34,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:46:34,683 INFO L93 Difference]: Finished difference Result 39 states and 50 transitions. [2019-11-25 08:46:34,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:46:34,685 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 50 transitions. [2019-11-25 08:46:34,688 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-11-25 08:46:34,693 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 29 states and 38 transitions. [2019-11-25 08:46:34,695 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2019-11-25 08:46:34,696 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2019-11-25 08:46:34,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 38 transitions. [2019-11-25 08:46:34,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:46:34,697 INFO L688 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2019-11-25 08:46:34,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 38 transitions. [2019-11-25 08:46:34,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 19. [2019-11-25 08:46:34,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-25 08:46:34,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2019-11-25 08:46:34,727 INFO L711 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2019-11-25 08:46:34,727 INFO L591 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2019-11-25 08:46:34,727 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:46:34,727 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2019-11-25 08:46:34,732 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-11-25 08:46:34,733 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:46:34,733 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:46:34,733 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:46:34,733 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-25 08:46:34,734 INFO L794 eck$LassoCheckResult]: Stem: 93#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 92#L-1 havoc main_#res;havoc main_#t~nondet21; 85#L578 assume 0 != main_#t~nondet21;havoc main_#t~nondet21;f_#in~d := 1;havoc f_#t~malloc2.base, f_#t~malloc2.offset, f_#t~malloc3.base, f_#t~malloc3.offset, f_#t~malloc4.base, f_#t~malloc4.offset, f_#t~malloc5.base, f_#t~malloc5.offset, f_#t~malloc6.base, f_#t~malloc6.offset, f_#t~mem7, f_#t~mem10, f_#t~mem8, f_#t~mem9, f_#t~nondet14, f_#t~mem15, f_#t~mem16, f_#t~nondet17, f_#t~mem18, f_#t~mem19, f_#t~mem20, f_#t~mem11, f_#t~mem12, f_#t~short13, f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, f_~x~0.base, f_~x~0.offset, f_~y~0.base, f_~y~0.offset, f_~k~0.base, f_~k~0.offset, f_~z~0.base, f_~z~0.offset;f_~d := f_#in~d;call f_#t~malloc2.base, f_#t~malloc2.offset := #Ultimate.allocOnStack(4);f_~d_ref~0.base, f_~d_ref~0.offset := f_#t~malloc2.base, f_#t~malloc2.offset;call f_#t~malloc3.base, f_#t~malloc3.offset := #Ultimate.allocOnStack(4);f_~x~0.base, f_~x~0.offset := f_#t~malloc3.base, f_#t~malloc3.offset;call f_#t~malloc4.base, f_#t~malloc4.offset := #Ultimate.allocOnStack(4);f_~y~0.base, f_~y~0.offset := f_#t~malloc4.base, f_#t~malloc4.offset;call f_#t~malloc5.base, f_#t~malloc5.offset := #Ultimate.allocOnStack(4);f_~k~0.base, f_~k~0.offset := f_#t~malloc5.base, f_#t~malloc5.offset;call f_#t~malloc6.base, f_#t~malloc6.offset := #Ultimate.allocOnStack(4);f_~z~0.base, f_~z~0.offset := f_#t~malloc6.base, f_#t~malloc6.offset;call write~int(f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(1, f_~x~0.base, f_~x~0.offset, 4);call write~int(1, f_~y~0.base, f_~y~0.offset, 4);call write~int(1, f_~k~0.base, f_~k~0.offset, 4);call write~int(1, f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem7 := read~int(f_~k~0.base, f_~k~0.offset, 4); 78#L558 assume !(f_#t~mem7 > 1073741823);havoc f_#t~mem7; 79#L562-2 call f_#t~mem8 := read~int(f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem9 := read~int(f_~k~0.base, f_~k~0.offset, 4); 94#L562 assume !(f_#t~mem8 < f_#t~mem9);havoc f_#t~mem8;havoc f_#t~mem9; 81#L567-2 [2019-11-25 08:46:34,735 INFO L796 eck$LassoCheckResult]: Loop: 81#L567-2 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 89#L566 assume !f_#t~short13; 90#L566-2 assume !!f_#t~short13;havoc f_#t~short13;havoc f_#t~mem11;havoc f_#t~mem12; 86#L567 assume !(0 != f_#t~nondet14);havoc f_#t~nondet14;call f_#t~mem19 := read~int(f_~y~0.base, f_~y~0.offset, 4);call f_#t~mem20 := read~int(f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(f_#t~mem19 - f_#t~mem20, f_~y~0.base, f_~y~0.offset, 4);havoc f_#t~mem19;havoc f_#t~mem20; 81#L567-2 [2019-11-25 08:46:34,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:34,736 INFO L82 PathProgramCache]: Analyzing trace with hash 889509771, now seen corresponding path program 1 times [2019-11-25 08:46:34,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:34,737 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134981402] [2019-11-25 08:46:34,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:34,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:34,830 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:46:34,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:34,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1759853, now seen corresponding path program 1 times [2019-11-25 08:46:34,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:34,831 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719773346] [2019-11-25 08:46:34,831 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:46:34,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:46:34,843 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719773346] [2019-11-25 08:46:34,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:46:34,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:46:34,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065714582] [2019-11-25 08:46:34,844 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-25 08:46:34,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:46:34,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:46:34,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:46:34,844 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. cyclomatic complexity: 7 Second operand 3 states. [2019-11-25 08:46:34,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:46:34,876 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2019-11-25 08:46:34,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:46:34,877 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 24 transitions. [2019-11-25 08:46:34,878 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-11-25 08:46:34,879 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 19 states and 22 transitions. [2019-11-25 08:46:34,879 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2019-11-25 08:46:34,879 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2019-11-25 08:46:34,879 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 22 transitions. [2019-11-25 08:46:34,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:46:34,880 INFO L688 BuchiCegarLoop]: Abstraction has 19 states and 22 transitions. [2019-11-25 08:46:34,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 22 transitions. [2019-11-25 08:46:34,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-25 08:46:34,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-25 08:46:34,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2019-11-25 08:46:34,882 INFO L711 BuchiCegarLoop]: Abstraction has 19 states and 22 transitions. [2019-11-25 08:46:34,882 INFO L591 BuchiCegarLoop]: Abstraction has 19 states and 22 transitions. [2019-11-25 08:46:34,882 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-25 08:46:34,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 22 transitions. [2019-11-25 08:46:34,883 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-11-25 08:46:34,883 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:46:34,883 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:46:34,883 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:46:34,883 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-25 08:46:34,884 INFO L794 eck$LassoCheckResult]: Stem: 139#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 137#L-1 havoc main_#res;havoc main_#t~nondet21; 131#L578 assume 0 != main_#t~nondet21;havoc main_#t~nondet21;f_#in~d := 1;havoc f_#t~malloc2.base, f_#t~malloc2.offset, f_#t~malloc3.base, f_#t~malloc3.offset, f_#t~malloc4.base, f_#t~malloc4.offset, f_#t~malloc5.base, f_#t~malloc5.offset, f_#t~malloc6.base, f_#t~malloc6.offset, f_#t~mem7, f_#t~mem10, f_#t~mem8, f_#t~mem9, f_#t~nondet14, f_#t~mem15, f_#t~mem16, f_#t~nondet17, f_#t~mem18, f_#t~mem19, f_#t~mem20, f_#t~mem11, f_#t~mem12, f_#t~short13, f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, f_~x~0.base, f_~x~0.offset, f_~y~0.base, f_~y~0.offset, f_~k~0.base, f_~k~0.offset, f_~z~0.base, f_~z~0.offset;f_~d := f_#in~d;call f_#t~malloc2.base, f_#t~malloc2.offset := #Ultimate.allocOnStack(4);f_~d_ref~0.base, f_~d_ref~0.offset := f_#t~malloc2.base, f_#t~malloc2.offset;call f_#t~malloc3.base, f_#t~malloc3.offset := #Ultimate.allocOnStack(4);f_~x~0.base, f_~x~0.offset := f_#t~malloc3.base, f_#t~malloc3.offset;call f_#t~malloc4.base, f_#t~malloc4.offset := #Ultimate.allocOnStack(4);f_~y~0.base, f_~y~0.offset := f_#t~malloc4.base, f_#t~malloc4.offset;call f_#t~malloc5.base, f_#t~malloc5.offset := #Ultimate.allocOnStack(4);f_~k~0.base, f_~k~0.offset := f_#t~malloc5.base, f_#t~malloc5.offset;call f_#t~malloc6.base, f_#t~malloc6.offset := #Ultimate.allocOnStack(4);f_~z~0.base, f_~z~0.offset := f_#t~malloc6.base, f_#t~malloc6.offset;call write~int(f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(1, f_~x~0.base, f_~x~0.offset, 4);call write~int(1, f_~y~0.base, f_~y~0.offset, 4);call write~int(1, f_~k~0.base, f_~k~0.offset, 4);call write~int(1, f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem7 := read~int(f_~k~0.base, f_~k~0.offset, 4); 124#L558 assume !(f_#t~mem7 > 1073741823);havoc f_#t~mem7; 125#L562-2 call f_#t~mem8 := read~int(f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem9 := read~int(f_~k~0.base, f_~k~0.offset, 4); 140#L562 assume !(f_#t~mem8 < f_#t~mem9);havoc f_#t~mem8;havoc f_#t~mem9; 127#L567-2 [2019-11-25 08:46:34,884 INFO L796 eck$LassoCheckResult]: Loop: 127#L567-2 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 135#L566 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 136#L566-2 assume !!f_#t~short13;havoc f_#t~short13;havoc f_#t~mem11;havoc f_#t~mem12; 132#L567 assume !(0 != f_#t~nondet14);havoc f_#t~nondet14;call f_#t~mem19 := read~int(f_~y~0.base, f_~y~0.offset, 4);call f_#t~mem20 := read~int(f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(f_#t~mem19 - f_#t~mem20, f_~y~0.base, f_~y~0.offset, 4);havoc f_#t~mem19;havoc f_#t~mem20; 127#L567-2 [2019-11-25 08:46:34,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:34,884 INFO L82 PathProgramCache]: Analyzing trace with hash 889509771, now seen corresponding path program 2 times [2019-11-25 08:46:34,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:34,884 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563768621] [2019-11-25 08:46:34,885 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:34,935 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:46:34,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:34,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1757931, now seen corresponding path program 1 times [2019-11-25 08:46:34,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:34,936 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507936931] [2019-11-25 08:46:34,936 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:34,960 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:46:34,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:34,961 INFO L82 PathProgramCache]: Analyzing trace with hash -260778635, now seen corresponding path program 1 times [2019-11-25 08:46:34,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:34,962 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210596532] [2019-11-25 08:46:34,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:35,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:35,063 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:46:35,208 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 54 [2019-11-25 08:46:36,506 WARN L192 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 159 DAG size of output: 123 [2019-11-25 08:46:36,908 WARN L192 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-11-25 08:46:36,917 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:46:36,918 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:46:36,918 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:46:36,918 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:46:36,919 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:46:36,919 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:36,919 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:46:36,919 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:46:36,919 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i_Iteration3_Lasso [2019-11-25 08:46:36,919 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:46:36,920 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:46:36,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:36,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:36,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:36,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:36,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:36,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:36,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:36,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:37,858 WARN L192 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 92 [2019-11-25 08:46:38,092 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-11-25 08:46:38,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:38,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:38,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:38,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:38,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:38,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:38,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:38,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:38,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:38,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:38,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:38,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:38,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:38,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:38,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:38,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:38,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:38,766 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:46:38,770 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:38,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:38,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:38,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:46:38,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:38,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:38,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:38,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:46:38,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:46:38,782 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:38,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:38,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:38,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:38,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:38,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:38,797 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:46:38,797 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:46:38,800 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:38,819 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:38,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:38,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:46:38,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:38,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:38,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:38,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:46:38,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:46:38,824 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:38,839 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:38,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:38,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:46:38,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:38,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:38,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:38,842 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:46:38,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:46:38,844 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:46:38,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:38,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:38,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:46:38,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:38,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:38,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:38,864 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:46:38,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:38,866 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:38,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:38,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:38,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:38,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:38,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:38,885 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:46:38,885 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:46:38,892 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:38,897 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:38,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:38,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:46:38,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:38,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:38,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:38,899 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:46:38,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:46:38,900 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:38,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:38,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:38,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:38,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:38,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:38,912 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:46:38,912 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:46:38,917 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:46:38,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:38,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:38,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:38,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:38,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:38,950 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:46:38,950 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:38,955 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:38,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:38,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:38,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:38,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:38,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:38,966 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:46:38,966 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:46:38,970 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:38,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:38,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:38,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:38,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:38,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:39,001 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:46:39,001 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:46:39,018 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:39,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:39,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:39,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:39,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:39,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:39,031 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:46:39,032 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:46:39,038 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:39,059 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:39,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:39,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:39,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:39,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:39,063 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:46:39,063 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:46:39,069 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:46:39,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:39,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:39,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:39,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:39,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:39,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:46:39,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:39,090 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:39,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:39,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:39,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:39,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:39,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:39,113 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:46:39,114 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:46:39,122 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:46:39,194 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-11-25 08:46:39,194 INFO L444 ModelExtractionUtils]: 7 out of 16 variables were initially zero. Simplification set additionally 5 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:39,255 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:46:39,263 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-25 08:46:39,265 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:46:39,265 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_f_~y~0.base) ULTIMATE.start_f_~y~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_f_~y~0.base) ULTIMATE.start_f_~y~0.offset)_1 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_f_~d_ref~0.base) ULTIMATE.start_f_~d_ref~0.offset)_1 - 1 >= 0] [2019-11-25 08:46:39,556 INFO L297 tatePredicateManager]: 60 out of 64 supporting invariants were superfluous and have been removed [2019-11-25 08:46:39,577 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-25 08:46:39,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:46:39,661 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 31 conjunts are in the unsatisfiable core [2019-11-25 08:46:39,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:46:39,805 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:46:39,806 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 101 [2019-11-25 08:46:39,807 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 08:46:39,900 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:46:39,915 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-25 08:46:39,956 INFO L343 Elim1Store]: treesize reduction 107, result has 12.3 percent of original size [2019-11-25 08:46:39,956 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 251 treesize of output 36 [2019-11-25 08:46:39,957 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 08:46:40,001 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:46:40,003 INFO L496 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2019-11-25 08:46:40,003 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 9 variables, input treesize:312, output treesize:70 [2019-11-25 08:46:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:46:40,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-25 08:46:40,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:46:40,115 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:46:40,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:46:40,201 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 [2019-11-25 08:46:40,202 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 22 transitions. cyclomatic complexity: 5 Second operand 6 states. [2019-11-25 08:46:40,347 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 22 transitions. cyclomatic complexity: 5. Second operand 6 states. Result 29 states and 34 transitions. Complement of second has 10 states. [2019-11-25 08:46:40,349 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 [2019-11-25 08:46:40,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-25 08:46:40,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2019-11-25 08:46:40,351 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-25 08:46:40,352 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:46:40,352 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 10 letters. Loop has 4 letters. [2019-11-25 08:46:40,352 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:46:40,352 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 6 letters. Loop has 8 letters. [2019-11-25 08:46:40,352 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:46:40,353 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. [2019-11-25 08:46:40,353 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-11-25 08:46:40,356 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 28 states and 33 transitions. [2019-11-25 08:46:40,356 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2019-11-25 08:46:40,356 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2019-11-25 08:46:40,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 33 transitions. [2019-11-25 08:46:40,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:46:40,357 INFO L688 BuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2019-11-25 08:46:40,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 33 transitions. [2019-11-25 08:46:40,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2019-11-25 08:46:40,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-25 08:46:40,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2019-11-25 08:46:40,363 INFO L711 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2019-11-25 08:46:40,363 INFO L591 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2019-11-25 08:46:40,363 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-25 08:46:40,364 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 32 transitions. [2019-11-25 08:46:40,365 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-11-25 08:46:40,365 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:46:40,365 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:46:40,366 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:46:40,366 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-25 08:46:40,366 INFO L794 eck$LassoCheckResult]: Stem: 515#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 512#L-1 havoc main_#res;havoc main_#t~nondet21; 501#L578 assume !(0 != main_#t~nondet21);havoc main_#t~nondet21;f_#in~d := 2;havoc f_#t~malloc2.base, f_#t~malloc2.offset, f_#t~malloc3.base, f_#t~malloc3.offset, f_#t~malloc4.base, f_#t~malloc4.offset, f_#t~malloc5.base, f_#t~malloc5.offset, f_#t~malloc6.base, f_#t~malloc6.offset, f_#t~mem7, f_#t~mem10, f_#t~mem8, f_#t~mem9, f_#t~nondet14, f_#t~mem15, f_#t~mem16, f_#t~nondet17, f_#t~mem18, f_#t~mem19, f_#t~mem20, f_#t~mem11, f_#t~mem12, f_#t~short13, f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, f_~x~0.base, f_~x~0.offset, f_~y~0.base, f_~y~0.offset, f_~k~0.base, f_~k~0.offset, f_~z~0.base, f_~z~0.offset;f_~d := f_#in~d;call f_#t~malloc2.base, f_#t~malloc2.offset := #Ultimate.allocOnStack(4);f_~d_ref~0.base, f_~d_ref~0.offset := f_#t~malloc2.base, f_#t~malloc2.offset;call f_#t~malloc3.base, f_#t~malloc3.offset := #Ultimate.allocOnStack(4);f_~x~0.base, f_~x~0.offset := f_#t~malloc3.base, f_#t~malloc3.offset;call f_#t~malloc4.base, f_#t~malloc4.offset := #Ultimate.allocOnStack(4);f_~y~0.base, f_~y~0.offset := f_#t~malloc4.base, f_#t~malloc4.offset;call f_#t~malloc5.base, f_#t~malloc5.offset := #Ultimate.allocOnStack(4);f_~k~0.base, f_~k~0.offset := f_#t~malloc5.base, f_#t~malloc5.offset;call f_#t~malloc6.base, f_#t~malloc6.offset := #Ultimate.allocOnStack(4);f_~z~0.base, f_~z~0.offset := f_#t~malloc6.base, f_#t~malloc6.offset;call write~int(f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(1, f_~x~0.base, f_~x~0.offset, 4);call write~int(1, f_~y~0.base, f_~y~0.offset, 4);call write~int(1, f_~k~0.base, f_~k~0.offset, 4);call write~int(1, f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem7 := read~int(f_~k~0.base, f_~k~0.offset, 4); 498#L558-1 assume !(f_#t~mem7 > 1073741823);havoc f_#t~mem7; 499#L562-5 call f_#t~mem8 := read~int(f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem9 := read~int(f_~k~0.base, f_~k~0.offset, 4); 500#L562-3 assume !(f_#t~mem8 < f_#t~mem9);havoc f_#t~mem8;havoc f_#t~mem9; 506#L567-5 [2019-11-25 08:46:40,367 INFO L796 eck$LassoCheckResult]: Loop: 506#L567-5 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 518#L566-5 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 519#L566-7 assume !!f_#t~short13;havoc f_#t~short13;havoc f_#t~mem11;havoc f_#t~mem12; 514#L567-3 assume !(0 != f_#t~nondet14);havoc f_#t~nondet14;call f_#t~mem19 := read~int(f_~y~0.base, f_~y~0.offset, 4);call f_#t~mem20 := read~int(f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(f_#t~mem19 - f_#t~mem20, f_~y~0.base, f_~y~0.offset, 4);havoc f_#t~mem19;havoc f_#t~mem20; 506#L567-5 [2019-11-25 08:46:40,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:40,367 INFO L82 PathProgramCache]: Analyzing trace with hash 890987403, now seen corresponding path program 1 times [2019-11-25 08:46:40,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:40,368 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990781727] [2019-11-25 08:46:40,368 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:40,441 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:46:40,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:40,444 INFO L82 PathProgramCache]: Analyzing trace with hash 3235563, now seen corresponding path program 1 times [2019-11-25 08:46:40,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:40,445 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433188428] [2019-11-25 08:46:40,446 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:40,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:40,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:40,463 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:46:40,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:40,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1434718859, now seen corresponding path program 1 times [2019-11-25 08:46:40,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:40,466 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500336012] [2019-11-25 08:46:40,466 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:40,526 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:46:40,672 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 54 [2019-11-25 08:46:41,663 WARN L192 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 123 [2019-11-25 08:46:41,979 WARN L192 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-11-25 08:46:41,982 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:46:41,982 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:46:41,982 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:46:41,982 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:46:41,982 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:46:41,982 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:41,982 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:46:41,982 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:46:41,982 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i_Iteration4_Lasso [2019-11-25 08:46:41,982 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:46:41,982 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:46:41,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:41,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:41,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:41,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:41,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:41,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:42,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:42,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:42,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:42,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:42,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:42,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:42,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:42,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:42,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:42,646 WARN L192 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 91 [2019-11-25 08:46:42,844 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2019-11-25 08:46:42,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:42,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:42,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:42,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:42,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:42,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:42,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:42,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:42,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:42,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:46:43,437 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:46:43,437 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:43,449 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:43,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:43,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:46:43,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:43,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:43,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:43,450 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:46:43,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:46:43,451 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:46:43,457 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:43,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:43,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:46:43,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:43,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:43,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:43,459 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:46:43,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:46:43,461 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:43,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:43,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:43,471 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:46:43,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:43,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:43,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:43,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:46:43,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:46:43,474 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/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 [2019-11-25 08:46:43,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:43,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:43,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:43,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:43,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:43,485 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:46:43,485 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:46:43,487 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/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 [2019-11-25 08:46:43,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:43,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:43,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:46:43,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:43,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:43,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:43,493 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:46:43,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:46:43,494 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:43,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:43,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:43,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:43,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:43,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:43,501 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:46:43,501 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:46:43,504 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/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 [2019-11-25 08:46:43,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:43,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:43,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:46:43,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:43,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:43,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:43,509 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:46:43,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:46:43,510 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/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 [2019-11-25 08:46:43,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:43,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:43,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:46:43,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:43,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:43,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:43,517 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:46:43,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:46:43,518 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/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 [2019-11-25 08:46:43,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:43,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:43,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:43,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:43,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:43,529 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:46:43,529 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:46:43,532 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/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 [2019-11-25 08:46:43,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:43,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:43,536 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:46:43,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:43,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:43,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:43,537 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:46:43,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:46:43,538 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:43,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:43,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:43,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:43,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:43,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:43,545 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:46:43,545 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:46:43,547 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:43,551 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:43,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:43,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:46:43,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:43,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:43,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:43,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:46:43,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:46:43,554 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/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 [2019-11-25 08:46:43,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:43,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:43,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:46:43,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:43,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:43,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:43,559 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:46:43,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:46:43,560 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:43,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:43,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:43,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:43,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:43,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:43,567 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:46:43,567 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:46:43,574 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:46:43,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:43,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:43,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:43,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:43,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:43,601 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:46:43,601 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:43,604 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:46:43,615 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:43,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:43,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:43,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:43,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:43,627 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:46:43,627 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:43,632 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/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) [2019-11-25 08:46:43,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:43,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:43,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:43,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:43,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:43,649 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:46:43,650 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:43,653 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:43,657 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:43,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:43,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:43,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:43,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:43,676 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:46:43,676 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:46:43,684 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:46:43,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:43,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:43,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:43,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:43,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:43,702 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:46:43,702 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:46:43,722 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/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) [2019-11-25 08:46:43,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:46:43,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:46:43,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:46:43,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:46:43,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:46:43,735 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:46:43,735 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:43,743 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:46:43,750 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-25 08:46:43,750 INFO L444 ModelExtractionUtils]: 8 out of 16 variables were initially zero. Simplification set additionally 4 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/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) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:46:43,754 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:46:43,756 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-25 08:46:43,756 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:46:43,756 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_f_~y~0.base) ULTIMATE.start_f_~y~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_f_~y~0.base) ULTIMATE.start_f_~y~0.offset)_2 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_f_~d_ref~0.base) ULTIMATE.start_f_~d_ref~0.offset)_2 - 2 >= 0] [2019-11-25 08:46:43,939 INFO L297 tatePredicateManager]: 55 out of 59 supporting invariants were superfluous and have been removed [2019-11-25 08:46:43,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-25 08:46:43,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:46:43,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-25 08:46:43,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:46:44,073 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:46:44,074 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 101 [2019-11-25 08:46:44,075 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 08:46:44,135 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:46:44,140 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-25 08:46:44,141 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-25 08:46:44,142 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 36 [2019-11-25 08:46:44,143 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 08:46:44,176 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:46:44,177 INFO L496 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2019-11-25 08:46:44,178 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 10 variables, input treesize:312, output treesize:83 [2019-11-25 08:46:44,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:46:44,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-25 08:46:44,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:46:44,224 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:46:44,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:46:44,275 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 [2019-11-25 08:46:44,275 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 8 Second operand 6 states. [2019-11-25 08:46:44,495 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 8. Second operand 6 states. Result 37 states and 44 transitions. Complement of second has 10 states. [2019-11-25 08:46:44,496 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 [2019-11-25 08:46:44,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-25 08:46:44,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2019-11-25 08:46:44,497 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-25 08:46:44,497 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:46:44,497 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 10 letters. Loop has 4 letters. [2019-11-25 08:46:44,497 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:46:44,497 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 6 letters. Loop has 8 letters. [2019-11-25 08:46:44,498 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:46:44,498 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 44 transitions. [2019-11-25 08:46:44,499 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-11-25 08:46:44,499 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 36 states and 43 transitions. [2019-11-25 08:46:44,499 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2019-11-25 08:46:44,500 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2019-11-25 08:46:44,500 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 43 transitions. [2019-11-25 08:46:44,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:46:44,500 INFO L688 BuchiCegarLoop]: Abstraction has 36 states and 43 transitions. [2019-11-25 08:46:44,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 43 transitions. [2019-11-25 08:46:44,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2019-11-25 08:46:44,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-11-25 08:46:44,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2019-11-25 08:46:44,503 INFO L711 BuchiCegarLoop]: Abstraction has 35 states and 42 transitions. [2019-11-25 08:46:44,503 INFO L591 BuchiCegarLoop]: Abstraction has 35 states and 42 transitions. [2019-11-25 08:46:44,503 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-25 08:46:44,503 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 42 transitions. [2019-11-25 08:46:44,504 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-11-25 08:46:44,504 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:46:44,504 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:46:44,504 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:46:44,504 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-25 08:46:44,505 INFO L794 eck$LassoCheckResult]: Stem: 882#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 881#L-1 havoc main_#res;havoc main_#t~nondet21; 867#L578 assume 0 != main_#t~nondet21;havoc main_#t~nondet21;f_#in~d := 1;havoc f_#t~malloc2.base, f_#t~malloc2.offset, f_#t~malloc3.base, f_#t~malloc3.offset, f_#t~malloc4.base, f_#t~malloc4.offset, f_#t~malloc5.base, f_#t~malloc5.offset, f_#t~malloc6.base, f_#t~malloc6.offset, f_#t~mem7, f_#t~mem10, f_#t~mem8, f_#t~mem9, f_#t~nondet14, f_#t~mem15, f_#t~mem16, f_#t~nondet17, f_#t~mem18, f_#t~mem19, f_#t~mem20, f_#t~mem11, f_#t~mem12, f_#t~short13, f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, f_~x~0.base, f_~x~0.offset, f_~y~0.base, f_~y~0.offset, f_~k~0.base, f_~k~0.offset, f_~z~0.base, f_~z~0.offset;f_~d := f_#in~d;call f_#t~malloc2.base, f_#t~malloc2.offset := #Ultimate.allocOnStack(4);f_~d_ref~0.base, f_~d_ref~0.offset := f_#t~malloc2.base, f_#t~malloc2.offset;call f_#t~malloc3.base, f_#t~malloc3.offset := #Ultimate.allocOnStack(4);f_~x~0.base, f_~x~0.offset := f_#t~malloc3.base, f_#t~malloc3.offset;call f_#t~malloc4.base, f_#t~malloc4.offset := #Ultimate.allocOnStack(4);f_~y~0.base, f_~y~0.offset := f_#t~malloc4.base, f_#t~malloc4.offset;call f_#t~malloc5.base, f_#t~malloc5.offset := #Ultimate.allocOnStack(4);f_~k~0.base, f_~k~0.offset := f_#t~malloc5.base, f_#t~malloc5.offset;call f_#t~malloc6.base, f_#t~malloc6.offset := #Ultimate.allocOnStack(4);f_~z~0.base, f_~z~0.offset := f_#t~malloc6.base, f_#t~malloc6.offset;call write~int(f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(1, f_~x~0.base, f_~x~0.offset, 4);call write~int(1, f_~y~0.base, f_~y~0.offset, 4);call write~int(1, f_~k~0.base, f_~k~0.offset, 4);call write~int(1, f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem7 := read~int(f_~k~0.base, f_~k~0.offset, 4); 860#L558 assume !(f_#t~mem7 > 1073741823);havoc f_#t~mem7; 861#L562-2 call f_#t~mem8 := read~int(f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem9 := read~int(f_~k~0.base, f_~k~0.offset, 4); 886#L562 assume !(f_#t~mem8 < f_#t~mem9);havoc f_#t~mem8;havoc f_#t~mem9; 887#L567-2 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 873#L566 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 874#L566-2 assume !!f_#t~short13;havoc f_#t~short13;havoc f_#t~mem11;havoc f_#t~mem12; 868#L567 assume 0 != f_#t~nondet14;havoc f_#t~nondet14; 862#L568 [2019-11-25 08:46:44,505 INFO L796 eck$LassoCheckResult]: Loop: 862#L568 call f_#t~mem15 := read~int(f_~x~0.base, f_~x~0.offset, 4);call f_#t~mem16 := read~int(f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(f_#t~mem15 - f_#t~mem16, f_~x~0.base, f_~x~0.offset, 4);havoc f_#t~mem15;havoc f_#t~mem16;call write~int(f_#t~nondet17, f_~y~0.base, f_~y~0.offset, 4);havoc f_#t~nondet17;call f_#t~mem18 := read~int(f_~z~0.base, f_~z~0.offset, 4);call write~int(f_#t~mem18 - 1, f_~z~0.base, f_~z~0.offset, 4);havoc f_#t~mem18; 863#L567-2 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 877#L566 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 892#L566-2 assume !!f_#t~short13;havoc f_#t~short13;havoc f_#t~mem11;havoc f_#t~mem12; 891#L567 assume 0 != f_#t~nondet14;havoc f_#t~nondet14; 862#L568 [2019-11-25 08:46:44,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:44,505 INFO L82 PathProgramCache]: Analyzing trace with hash -260778639, now seen corresponding path program 1 times [2019-11-25 08:46:44,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:44,505 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233147720] [2019-11-25 08:46:44,506 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:44,553 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:46:44,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:44,554 INFO L82 PathProgramCache]: Analyzing trace with hash 69174960, now seen corresponding path program 1 times [2019-11-25 08:46:44,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:44,554 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845301640] [2019-11-25 08:46:44,554 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:44,570 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:46:44,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:44,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1938200384, now seen corresponding path program 1 times [2019-11-25 08:46:44,571 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:44,571 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731984254] [2019-11-25 08:46:44,571 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:46:44,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:46:44,953 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731984254] [2019-11-25 08:46:44,953 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026516683] [2019-11-25 08:46:44,953 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/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 [2019-11-25 08:46:45,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:46:45,010 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 39 conjunts are in the unsatisfiable core [2019-11-25 08:46:45,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:46:45,144 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:46:45,144 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 101 [2019-11-25 08:46:45,145 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 08:46:45,203 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:46:45,208 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 36 [2019-11-25 08:46:45,208 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 08:46:45,240 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:46:45,241 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-25 08:46:45,241 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:308, output treesize:82 [2019-11-25 08:46:45,305 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-25 08:46:45,306 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-25 08:46:45,312 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 57 [2019-11-25 08:46:45,313 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 08:46:45,359 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:46:45,361 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-11-25 08:46:45,361 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:237, output treesize:53 [2019-11-25 08:46:45,385 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:46:45,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:46:45,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 08:46:45,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2019-11-25 08:46:45,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6819668] [2019-11-25 08:46:45,560 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2019-11-25 08:46:45,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:46:45,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-25 08:46:45,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-11-25 08:46:45,614 INFO L87 Difference]: Start difference. First operand 35 states and 42 transitions. cyclomatic complexity: 11 Second operand 11 states. [2019-11-25 08:46:45,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:46:45,947 INFO L93 Difference]: Finished difference Result 54 states and 60 transitions. [2019-11-25 08:46:45,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-25 08:46:45,948 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 60 transitions. [2019-11-25 08:46:45,949 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-11-25 08:46:45,950 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 42 states and 48 transitions. [2019-11-25 08:46:45,950 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2019-11-25 08:46:45,950 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2019-11-25 08:46:45,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 48 transitions. [2019-11-25 08:46:45,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:46:45,951 INFO L688 BuchiCegarLoop]: Abstraction has 42 states and 48 transitions. [2019-11-25 08:46:45,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 48 transitions. [2019-11-25 08:46:45,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2019-11-25 08:46:45,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-25 08:46:45,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2019-11-25 08:46:45,954 INFO L711 BuchiCegarLoop]: Abstraction has 39 states and 45 transitions. [2019-11-25 08:46:45,954 INFO L591 BuchiCegarLoop]: Abstraction has 39 states and 45 transitions. [2019-11-25 08:46:45,954 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-25 08:46:45,954 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 45 transitions. [2019-11-25 08:46:45,955 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-11-25 08:46:45,955 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:46:45,955 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:46:45,956 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:46:45,956 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-25 08:46:45,956 INFO L794 eck$LassoCheckResult]: Stem: 1040#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1039#L-1 havoc main_#res;havoc main_#t~nondet21; 1022#L578 assume !(0 != main_#t~nondet21);havoc main_#t~nondet21;f_#in~d := 2;havoc f_#t~malloc2.base, f_#t~malloc2.offset, f_#t~malloc3.base, f_#t~malloc3.offset, f_#t~malloc4.base, f_#t~malloc4.offset, f_#t~malloc5.base, f_#t~malloc5.offset, f_#t~malloc6.base, f_#t~malloc6.offset, f_#t~mem7, f_#t~mem10, f_#t~mem8, f_#t~mem9, f_#t~nondet14, f_#t~mem15, f_#t~mem16, f_#t~nondet17, f_#t~mem18, f_#t~mem19, f_#t~mem20, f_#t~mem11, f_#t~mem12, f_#t~short13, f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, f_~x~0.base, f_~x~0.offset, f_~y~0.base, f_~y~0.offset, f_~k~0.base, f_~k~0.offset, f_~z~0.base, f_~z~0.offset;f_~d := f_#in~d;call f_#t~malloc2.base, f_#t~malloc2.offset := #Ultimate.allocOnStack(4);f_~d_ref~0.base, f_~d_ref~0.offset := f_#t~malloc2.base, f_#t~malloc2.offset;call f_#t~malloc3.base, f_#t~malloc3.offset := #Ultimate.allocOnStack(4);f_~x~0.base, f_~x~0.offset := f_#t~malloc3.base, f_#t~malloc3.offset;call f_#t~malloc4.base, f_#t~malloc4.offset := #Ultimate.allocOnStack(4);f_~y~0.base, f_~y~0.offset := f_#t~malloc4.base, f_#t~malloc4.offset;call f_#t~malloc5.base, f_#t~malloc5.offset := #Ultimate.allocOnStack(4);f_~k~0.base, f_~k~0.offset := f_#t~malloc5.base, f_#t~malloc5.offset;call f_#t~malloc6.base, f_#t~malloc6.offset := #Ultimate.allocOnStack(4);f_~z~0.base, f_~z~0.offset := f_#t~malloc6.base, f_#t~malloc6.offset;call write~int(f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(1, f_~x~0.base, f_~x~0.offset, 4);call write~int(1, f_~y~0.base, f_~y~0.offset, 4);call write~int(1, f_~k~0.base, f_~k~0.offset, 4);call write~int(1, f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem7 := read~int(f_~k~0.base, f_~k~0.offset, 4); 1019#L558-1 assume !(f_#t~mem7 > 1073741823);havoc f_#t~mem7; 1020#L562-5 call f_#t~mem8 := read~int(f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem9 := read~int(f_~k~0.base, f_~k~0.offset, 4); 1021#L562-3 assume !(f_#t~mem8 < f_#t~mem9);havoc f_#t~mem8;havoc f_#t~mem9; 1047#L567-5 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 1044#L566-5 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 1045#L566-7 assume !!f_#t~short13;havoc f_#t~short13;havoc f_#t~mem11;havoc f_#t~mem12; 1036#L567-3 assume 0 != f_#t~nondet14;havoc f_#t~nondet14; 1026#L568-1 [2019-11-25 08:46:45,956 INFO L796 eck$LassoCheckResult]: Loop: 1026#L568-1 call f_#t~mem15 := read~int(f_~x~0.base, f_~x~0.offset, 4);call f_#t~mem16 := read~int(f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(f_#t~mem15 - f_#t~mem16, f_~x~0.base, f_~x~0.offset, 4);havoc f_#t~mem15;havoc f_#t~mem16;call write~int(f_#t~nondet17, f_~y~0.base, f_~y~0.offset, 4);havoc f_#t~nondet17;call f_#t~mem18 := read~int(f_~z~0.base, f_~z~0.offset, 4);call write~int(f_#t~mem18 - 1, f_~z~0.base, f_~z~0.offset, 4);havoc f_#t~mem18; 1027#L567-5 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 1042#L566-5 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 1051#L566-7 assume !!f_#t~short13;havoc f_#t~short13;havoc f_#t~mem11;havoc f_#t~mem12; 1050#L567-3 assume 0 != f_#t~nondet14;havoc f_#t~nondet14; 1026#L568-1 [2019-11-25 08:46:45,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:45,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1434718863, now seen corresponding path program 1 times [2019-11-25 08:46:45,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:45,957 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477243195] [2019-11-25 08:46:45,957 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:45,979 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:46:45,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:45,979 INFO L82 PathProgramCache]: Analyzing trace with hash 114981600, now seen corresponding path program 1 times [2019-11-25 08:46:45,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:45,980 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657430244] [2019-11-25 08:46:45,980 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:45,989 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:46:45,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:45,990 INFO L82 PathProgramCache]: Analyzing trace with hash -588680336, now seen corresponding path program 1 times [2019-11-25 08:46:45,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:45,990 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995367659] [2019-11-25 08:46:45,990 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:46:46,205 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:46:46,206 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995367659] [2019-11-25 08:46:46,206 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374042502] [2019-11-25 08:46:46,206 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:46:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:46:46,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 39 conjunts are in the unsatisfiable core [2019-11-25 08:46:46,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:46:46,321 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:46:46,321 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 70 [2019-11-25 08:46:46,322 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 08:46:46,375 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:46:46,382 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-25 08:46:46,392 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:46:46,392 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 251 treesize of output 52 [2019-11-25 08:46:46,393 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 08:46:46,456 INFO L567 ElimStorePlain]: treesize reduction 20, result has 80.0 percent of original size [2019-11-25 08:46:46,457 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:46:46,457 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-25 08:46:46,458 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:306, output treesize:77 [2019-11-25 08:46:46,728 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:46:46,742 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-25 08:46:46,744 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-25 08:46:46,768 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-25 08:46:46,776 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-25 08:46:46,829 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 70 [2019-11-25 08:46:46,830 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 08:46:46,833 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-25 08:46:46,834 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-25 08:46:46,875 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:46:46,875 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 180 treesize of output 152 [2019-11-25 08:46:46,877 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 08:46:47,015 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2019-11-25 08:46:47,015 INFO L567 ElimStorePlain]: treesize reduction 110, result has 50.9 percent of original size [2019-11-25 08:46:47,017 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2019-11-25 08:46:47,017 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:446, output treesize:72 [2019-11-25 08:46:47,064 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:46:47,064 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:46:47,067 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:46:47,074 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:46:47,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 08:46:47,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2019-11-25 08:46:47,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60915958] [2019-11-25 08:46:47,226 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2019-11-25 08:46:47,280 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:46:47,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-25 08:46:47,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-11-25 08:46:47,280 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. cyclomatic complexity: 10 Second operand 11 states. [2019-11-25 08:46:47,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:46:47,869 INFO L93 Difference]: Finished difference Result 58 states and 63 transitions. [2019-11-25 08:46:47,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-25 08:46:47,871 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 63 transitions. [2019-11-25 08:46:47,872 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-11-25 08:46:47,873 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 46 states and 51 transitions. [2019-11-25 08:46:47,873 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2019-11-25 08:46:47,873 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2019-11-25 08:46:47,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 51 transitions. [2019-11-25 08:46:47,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:46:47,873 INFO L688 BuchiCegarLoop]: Abstraction has 46 states and 51 transitions. [2019-11-25 08:46:47,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 51 transitions. [2019-11-25 08:46:47,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2019-11-25 08:46:47,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-25 08:46:47,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2019-11-25 08:46:47,878 INFO L711 BuchiCegarLoop]: Abstraction has 43 states and 48 transitions. [2019-11-25 08:46:47,878 INFO L591 BuchiCegarLoop]: Abstraction has 43 states and 48 transitions. [2019-11-25 08:46:47,878 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-25 08:46:47,878 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 48 transitions. [2019-11-25 08:46:47,879 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-11-25 08:46:47,879 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:46:47,879 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:46:47,880 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:46:47,880 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-25 08:46:47,880 INFO L794 eck$LassoCheckResult]: Stem: 1209#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1208#L-1 havoc main_#res;havoc main_#t~nondet21; 1191#L578 assume 0 != main_#t~nondet21;havoc main_#t~nondet21;f_#in~d := 1;havoc f_#t~malloc2.base, f_#t~malloc2.offset, f_#t~malloc3.base, f_#t~malloc3.offset, f_#t~malloc4.base, f_#t~malloc4.offset, f_#t~malloc5.base, f_#t~malloc5.offset, f_#t~malloc6.base, f_#t~malloc6.offset, f_#t~mem7, f_#t~mem10, f_#t~mem8, f_#t~mem9, f_#t~nondet14, f_#t~mem15, f_#t~mem16, f_#t~nondet17, f_#t~mem18, f_#t~mem19, f_#t~mem20, f_#t~mem11, f_#t~mem12, f_#t~short13, f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, f_~x~0.base, f_~x~0.offset, f_~y~0.base, f_~y~0.offset, f_~k~0.base, f_~k~0.offset, f_~z~0.base, f_~z~0.offset;f_~d := f_#in~d;call f_#t~malloc2.base, f_#t~malloc2.offset := #Ultimate.allocOnStack(4);f_~d_ref~0.base, f_~d_ref~0.offset := f_#t~malloc2.base, f_#t~malloc2.offset;call f_#t~malloc3.base, f_#t~malloc3.offset := #Ultimate.allocOnStack(4);f_~x~0.base, f_~x~0.offset := f_#t~malloc3.base, f_#t~malloc3.offset;call f_#t~malloc4.base, f_#t~malloc4.offset := #Ultimate.allocOnStack(4);f_~y~0.base, f_~y~0.offset := f_#t~malloc4.base, f_#t~malloc4.offset;call f_#t~malloc5.base, f_#t~malloc5.offset := #Ultimate.allocOnStack(4);f_~k~0.base, f_~k~0.offset := f_#t~malloc5.base, f_#t~malloc5.offset;call f_#t~malloc6.base, f_#t~malloc6.offset := #Ultimate.allocOnStack(4);f_~z~0.base, f_~z~0.offset := f_#t~malloc6.base, f_#t~malloc6.offset;call write~int(f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(1, f_~x~0.base, f_~x~0.offset, 4);call write~int(1, f_~y~0.base, f_~y~0.offset, 4);call write~int(1, f_~k~0.base, f_~k~0.offset, 4);call write~int(1, f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem7 := read~int(f_~k~0.base, f_~k~0.offset, 4); 1184#L558 assume !(f_#t~mem7 > 1073741823);havoc f_#t~mem7; 1185#L562-2 call f_#t~mem8 := read~int(f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem9 := read~int(f_~k~0.base, f_~k~0.offset, 4); 1213#L562 assume !(f_#t~mem8 < f_#t~mem9);havoc f_#t~mem8;havoc f_#t~mem9; 1214#L567-2 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 1220#L566 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 1206#L566-2 assume !!f_#t~short13;havoc f_#t~short13;havoc f_#t~mem11;havoc f_#t~mem12; 1207#L567 assume !(0 != f_#t~nondet14);havoc f_#t~nondet14;call f_#t~mem19 := read~int(f_~y~0.base, f_~y~0.offset, 4);call f_#t~mem20 := read~int(f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(f_#t~mem19 - f_#t~mem20, f_~y~0.base, f_~y~0.offset, 4);havoc f_#t~mem19;havoc f_#t~mem20; 1201#L567-2 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 1199#L566 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 1200#L566-2 assume !!f_#t~short13;havoc f_#t~short13;havoc f_#t~mem11;havoc f_#t~mem12; 1193#L567 assume !(0 != f_#t~nondet14);havoc f_#t~nondet14;call f_#t~mem19 := read~int(f_~y~0.base, f_~y~0.offset, 4);call f_#t~mem20 := read~int(f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(f_#t~mem19 - f_#t~mem20, f_~y~0.base, f_~y~0.offset, 4);havoc f_#t~mem19;havoc f_#t~mem20; 1194#L567-2 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 1222#L566 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 1221#L566-2 assume !!f_#t~short13;havoc f_#t~short13;havoc f_#t~mem11;havoc f_#t~mem12; 1192#L567 assume 0 != f_#t~nondet14;havoc f_#t~nondet14; 1186#L568 [2019-11-25 08:46:47,880 INFO L796 eck$LassoCheckResult]: Loop: 1186#L568 call f_#t~mem15 := read~int(f_~x~0.base, f_~x~0.offset, 4);call f_#t~mem16 := read~int(f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(f_#t~mem15 - f_#t~mem16, f_~x~0.base, f_~x~0.offset, 4);havoc f_#t~mem15;havoc f_#t~mem16;call write~int(f_#t~nondet17, f_~y~0.base, f_~y~0.offset, 4);havoc f_#t~nondet17;call f_#t~mem18 := read~int(f_~z~0.base, f_~z~0.offset, 4);call write~int(f_#t~mem18 - 1, f_~z~0.base, f_~z~0.offset, 4);havoc f_#t~mem18; 1187#L567-2 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 1197#L566 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 1198#L566-2 assume !!f_#t~short13;havoc f_#t~short13;havoc f_#t~mem11;havoc f_#t~mem12; 1205#L567 assume 0 != f_#t~nondet14;havoc f_#t~nondet14; 1186#L568 [2019-11-25 08:46:47,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:47,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1529889349, now seen corresponding path program 1 times [2019-11-25 08:46:47,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:47,880 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124137855] [2019-11-25 08:46:47,880 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:46:48,035 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:46:48,035 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124137855] [2019-11-25 08:46:48,035 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605532846] [2019-11-25 08:46:48,036 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e71c596c-0904-4487-92df-11065c992bfb/bin/uautomizer/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:46:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:46:48,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 35 conjunts are in the unsatisfiable core [2019-11-25 08:46:48,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:46:48,168 INFO L343 Elim1Store]: treesize reduction 184, result has 13.6 percent of original size [2019-11-25 08:46:48,168 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 4 case distinctions, treesize of input 251 treesize of output 36 [2019-11-25 08:46:48,169 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 08:46:48,180 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:46:48,181 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-11-25 08:46:48,181 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:258, output treesize:42 [2019-11-25 08:46:48,222 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:46:48,222 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 53 [2019-11-25 08:46:48,223 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 08:46:48,243 INFO L567 ElimStorePlain]: treesize reduction 30, result has 52.4 percent of original size [2019-11-25 08:46:48,243 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-25 08:46:48,243 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:33 [2019-11-25 08:46:48,259 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:46:48,300 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-25 08:46:48,300 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 08:46:48,300 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-11-25 08:46:48,300 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540157392] [2019-11-25 08:46:48,301 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:46:48,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:48,301 INFO L82 PathProgramCache]: Analyzing trace with hash 69174960, now seen corresponding path program 2 times [2019-11-25 08:46:48,301 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:48,301 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294592760] [2019-11-25 08:46:48,301 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:48,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:48,338 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:46:48,560 WARN L192 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2019-11-25 08:46:48,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:46:48,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-25 08:46:48,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-11-25 08:46:48,612 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. cyclomatic complexity: 9 Second operand 11 states. [2019-11-25 08:46:48,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:46:48,711 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2019-11-25 08:46:48,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-25 08:46:48,711 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 22 transitions. [2019-11-25 08:46:48,712 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:46:48,712 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2019-11-25 08:46:48,712 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:46:48,712 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:46:48,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:46:48,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:46:48,712 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:46:48,712 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:46:48,712 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:46:48,712 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-11-25 08:46:48,712 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:46:48,713 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:46:48,713 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:46:48,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:46:48 BoogieIcfgContainer [2019-11-25 08:46:48,718 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:46:48,718 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:46:48,718 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:46:48,719 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:46:48,719 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:46:33" (3/4) ... [2019-11-25 08:46:48,722 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:46:48,722 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:46:48,723 INFO L168 Benchmark]: Toolchain (without parser) took 15925.38 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 375.4 MB). Free memory was 944.7 MB in the beginning and 1.3 GB in the end (delta: -384.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:46:48,723 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:46:48,724 INFO L168 Benchmark]: CACSL2BoogieTranslator took 475.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:48,724 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.03 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. [2019-11-25 08:46:48,724 INFO L168 Benchmark]: Boogie Preprocessor took 50.69 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. [2019-11-25 08:46:48,725 INFO L168 Benchmark]: RCFGBuilder took 509.80 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: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:48,725 INFO L168 Benchmark]: BuchiAutomizer took 14832.00 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 217.1 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -232.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:46:48,725 INFO L168 Benchmark]: Witness Printer took 3.94 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:46:48,727 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 475.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.03 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 50.69 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. * RCFGBuilder took 509.80 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: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 14832.00 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 217.1 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -232.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.94 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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 7 terminating modules (5 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[y][y] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y][y] and consists of 6 locations. 5 modules have a trivial ranking function, the largest among these consists of 11 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.7s and 8 iterations. TraceHistogramMax:3. Analysis of lassos took 12.0s. Construction of modules took 0.7s. Büchi inclusion checks took 1.8s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 18 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 43 states and ocurred in iteration 6. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 114 SDtfs, 137 SDslu, 225 SDs, 0 SdLazy, 364 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc3 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital543 mio100 ax103 hnf100 lsp93 ukn44 mio100 lsp33 div100 bol100 ite100 ukn100 eq199 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms 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...