./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrstr-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrstr-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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 a1e56cd09ec23c2fd76dcb47b6d93a02131ca6ec ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:00:45,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:00:45,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:00:45,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:00:45,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:00:45,383 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:00:45,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:00:45,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:00:45,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:00:45,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:00:45,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:00:45,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:00:45,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:00:45,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:00:45,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:00:45,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:00:45,426 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:00:45,427 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:00:45,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:00:45,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:00:45,443 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:00:45,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:00:45,447 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:00:45,448 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:00:45,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:00:45,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:00:45,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:00:45,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:00:45,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:00:45,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:00:45,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:00:45,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:00:45,466 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:00:45,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:00:45,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:00:45,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:00:45,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:00:45,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:00:45,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:00:45,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:00:45,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:00:45,476 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-28 03:00:45,522 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:00:45,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:00:45,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:00:45,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:00:45,525 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:00:45,525 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:00:45,525 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:00:45,526 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:00:45,526 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:00:45,526 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:00:45,528 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:00:45,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:00:45,528 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:00:45,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:00:45,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:00:45,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:00:45,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:00:45,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:00:45,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:00:45,531 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:00:45,531 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:00:45,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:00:45,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:00:45,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:00:45,532 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:00:45,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:00:45,533 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:00:45,533 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:00:45,533 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:00:45,534 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:00:45,535 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1e56cd09ec23c2fd76dcb47b6d93a02131ca6ec [2020-11-28 03:00:45,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:00:45,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:00:45,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:00:45,836 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:00:45,843 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:00:45,844 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrstr-alloca-1.i [2020-11-28 03:00:45,937 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/data/8f66d1a08/37068717abe44ca7acf93adc3a3a3222/FLAG3811aef29 [2020-11-28 03:00:46,556 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:00:46,557 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrstr-alloca-1.i [2020-11-28 03:00:46,571 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/data/8f66d1a08/37068717abe44ca7acf93adc3a3a3222/FLAG3811aef29 [2020-11-28 03:00:46,839 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/data/8f66d1a08/37068717abe44ca7acf93adc3a3a3222 [2020-11-28 03:00:46,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:00:46,845 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:00:46,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:00:46,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:00:46,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:00:46,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:00:46" (1/1) ... [2020-11-28 03:00:46,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13a6492b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:46, skipping insertion in model container [2020-11-28 03:00:46,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:00:46" (1/1) ... [2020-11-28 03:00:46,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:00:46,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:00:47,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:00:47,252 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:00:47,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:00:47,337 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:00:47,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:47 WrapperNode [2020-11-28 03:00:47,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:00:47,339 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:00:47,340 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:00:47,340 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:00:47,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:47" (1/1) ... [2020-11-28 03:00:47,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:47" (1/1) ... [2020-11-28 03:00:47,410 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:00:47,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:00:47,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:00:47,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:00:47,425 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:47" (1/1) ... [2020-11-28 03:00:47,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:47" (1/1) ... [2020-11-28 03:00:47,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:47" (1/1) ... [2020-11-28 03:00:47,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:47" (1/1) ... [2020-11-28 03:00:47,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:47" (1/1) ... [2020-11-28 03:00:47,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:47" (1/1) ... [2020-11-28 03:00:47,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:47" (1/1) ... [2020-11-28 03:00:47,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:00:47,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:00:47,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:00:47,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:00:47,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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 [2020-11-28 03:00:47,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 03:00:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 03:00:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:00:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:00:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:00:47,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:00:48,061 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:00:48,063 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-11-28 03:00:48,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:48 BoogieIcfgContainer [2020-11-28 03:00:48,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:00:48,066 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:00:48,066 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:00:48,069 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:00:48,070 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:00:48,070 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:00:46" (1/3) ... [2020-11-28 03:00:48,070 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@16839122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:00:48, skipping insertion in model container [2020-11-28 03:00:48,071 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:00:48,071 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:47" (2/3) ... [2020-11-28 03:00:48,071 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@16839122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:00:48, skipping insertion in model container [2020-11-28 03:00:48,071 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:00:48,072 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:48" (3/3) ... [2020-11-28 03:00:48,073 INFO L373 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrstr-alloca-1.i [2020-11-28 03:00:48,116 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:00:48,116 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:00:48,116 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:00:48,116 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:00:48,117 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:00:48,117 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:00:48,117 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:00:48,117 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:00:48,136 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states. [2020-11-28 03:00:48,153 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2020-11-28 03:00:48,154 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:00:48,154 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:00:48,159 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-28 03:00:48,160 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 03:00:48,160 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:00:48,160 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states. [2020-11-28 03:00:48,163 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2020-11-28 03:00:48,163 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:00:48,163 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:00:48,164 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-28 03:00:48,164 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 03:00:48,170 INFO L794 eck$LassoCheckResult]: Stem: 26#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet20, main_#t~nondet21, main_#t~malloc22.base, main_#t~malloc22.offset, main_#t~malloc23.base, main_#t~malloc23.offset, main_#t~ret24.base, main_#t~ret24.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet20;havoc main_#t~nondet20;main_~length2~0 := main_#t~nondet21;havoc main_#t~nondet21; 3#L588true assume !(main_~length1~0 < 1); 6#L588-2true assume !(main_~length2~0 < 1); 15#L591-1true call main_#t~malloc22.base, main_#t~malloc22.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc22.base, main_#t~malloc22.offset;call main_#t~malloc23.base, main_#t~malloc23.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc23.base, main_#t~malloc23.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrstr_#in~s.base, cstrstr_#in~s.offset, cstrstr_#in~find.base, cstrstr_#in~find.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrstr_#res.base, cstrstr_#res.offset;havoc cstrstr_#t~post13.base, cstrstr_#t~post13.offset, cstrstr_#t~mem14, cstrstr_#t~ret15, cstrstr_#t~post17.base, cstrstr_#t~post17.offset, cstrstr_#t~mem18, cstrstr_#t~ret16, cstrstr_#t~post19.base, cstrstr_#t~post19.offset, cstrstr_~s.base, cstrstr_~s.offset, cstrstr_~find.base, cstrstr_~find.offset, cstrstr_~c~0, cstrstr_~sc~0, cstrstr_~len~0;cstrstr_~s.base, cstrstr_~s.offset := cstrstr_#in~s.base, cstrstr_#in~s.offset;cstrstr_~find.base, cstrstr_~find.offset := cstrstr_#in~find.base, cstrstr_#in~find.offset;havoc cstrstr_~c~0;havoc cstrstr_~sc~0;havoc cstrstr_~len~0;cstrstr_#t~post13.base, cstrstr_#t~post13.offset := cstrstr_~find.base, cstrstr_~find.offset;cstrstr_~find.base, cstrstr_~find.offset := cstrstr_#t~post13.base, 1 + cstrstr_#t~post13.offset;call cstrstr_#t~mem14 := read~int(cstrstr_#t~post13.base, cstrstr_#t~post13.offset, 1);cstrstr_~c~0 := cstrstr_#t~mem14; 27#L573true assume 0 != cstrstr_~c~0;havoc cstrstr_#t~post13.base, cstrstr_#t~post13.offset;havoc cstrstr_#t~mem14;cstrlen_#in~str.base, cstrlen_#in~str.offset := cstrstr_~find.base, cstrstr_~find.offset;havoc cstrlen_#res;havoc cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset, cstrlen_#t~mem3, cstrlen_~str.base, cstrlen_~str.offset, cstrlen_~s~0.base, cstrlen_~s~0.offset;cstrlen_~str.base, cstrlen_~str.offset := cstrlen_#in~str.base, cstrlen_#in~str.offset;havoc cstrlen_~s~0.base, cstrlen_~s~0.offset;cstrlen_~s~0.base, cstrlen_~s~0.offset := cstrlen_~str.base, cstrlen_~str.offset; 18#L551-4true [2020-11-28 03:00:48,170 INFO L796 eck$LassoCheckResult]: Loop: 18#L551-4true call cstrlen_#t~mem3 := read~int(cstrlen_~s~0.base, cstrlen_~s~0.offset, 1); 29#L551-1true assume !!(0 != cstrlen_#t~mem3);havoc cstrlen_#t~mem3; 14#L551-3true cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset := cstrlen_~s~0.base, 1 + cstrlen_~s~0.offset;cstrlen_~s~0.base, cstrlen_~s~0.offset := cstrlen_~s~0.base, 1 + cstrlen_~s~0.offset;havoc cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset; 18#L551-4true [2020-11-28 03:00:48,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:48,176 INFO L82 PathProgramCache]: Analyzing trace with hash 889572236, now seen corresponding path program 1 times [2020-11-28 03:00:48,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:48,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719897984] [2020-11-28 03:00:48,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:48,305 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:48,342 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:48,364 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:00:48,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:48,366 INFO L82 PathProgramCache]: Analyzing trace with hash 51799, now seen corresponding path program 1 times [2020-11-28 03:00:48,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:48,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104952751] [2020-11-28 03:00:48,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:48,375 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:48,379 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:48,382 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:00:48,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:48,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1298288364, now seen corresponding path program 1 times [2020-11-28 03:00:48,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:48,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228701597] [2020-11-28 03:00:48,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:48,464 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:48,520 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:48,528 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:00:49,232 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 108 [2020-11-28 03:00:49,457 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-11-28 03:00:49,482 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:00:49,482 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:00:49,482 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:00:49,483 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:00:49,483 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:00:49,483 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:49,483 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:00:49,483 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:00:49,484 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrstr-alloca-1.i_Iteration1_Lasso [2020-11-28 03:00:49,484 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:00:49,484 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:00:49,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:49,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:49,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:49,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:49,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:49,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:49,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:49,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:49,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:49,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:49,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:49,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:49,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:49,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:49,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:49,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:49,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:49,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:49,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:49,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:49,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:50,186 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2020-11-28 03:00:50,347 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2020-11-28 03:00:50,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:50,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:50,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:50,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:50,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:50,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:50,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:50,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:51,088 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:00:51,093 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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) [2020-11-28 03:00:51,097 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 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:51,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:51,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:51,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:51,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:51,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:51,103 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:51,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:51,105 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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 [2020-11-28 03:00:51,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:51,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:51,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:51,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:51,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:51,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:51,133 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:51,133 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:51,135 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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 [2020-11-28 03:00:51,170 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 [2020-11-28 03:00:51,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:51,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:51,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:51,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:51,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:51,173 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:51,173 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:51,174 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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 [2020-11-28 03:00:51,203 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 [2020-11-28 03:00:51,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:51,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:51,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:51,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:51,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:51,206 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:51,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:51,210 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:51,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:51,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:51,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:51,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:51,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:51,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:51,238 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:51,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:51,246 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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) [2020-11-28 03:00:51,287 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 [2020-11-28 03:00:51,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:51,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:51,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:51,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:51,293 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:00:51,293 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:51,298 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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 [2020-11-28 03:00:51,335 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 [2020-11-28 03:00:51,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:51,337 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:51,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:51,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:51,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:51,339 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:51,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:51,342 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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 [2020-11-28 03:00:51,367 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 [2020-11-28 03:00:51,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:51,368 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:51,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:51,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:51,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:51,369 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:51,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:51,371 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:51,395 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 [2020-11-28 03:00:51,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:51,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:51,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:51,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:51,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:51,397 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:51,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:51,399 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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) [2020-11-28 03:00:51,451 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 [2020-11-28 03:00:51,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:51,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:51,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:51,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:51,456 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:00:51,456 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:51,461 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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 [2020-11-28 03:00:51,498 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 [2020-11-28 03:00:51,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:51,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:51,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:51,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:51,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:51,501 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:51,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:51,502 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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 [2020-11-28 03:00:51,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:51,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:51,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:51,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:51,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:51,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:51,539 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:51,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:51,541 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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 [2020-11-28 03:00:51,564 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 [2020-11-28 03:00:51,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:51,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:51,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:51,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:51,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:51,567 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:51,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:51,572 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:51,597 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 [2020-11-28 03:00:51,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:51,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:51,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:51,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:51,601 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:00:51,601 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:00:51,608 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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) [2020-11-28 03:00:51,653 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 [2020-11-28 03:00:51,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:51,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:51,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:51,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:51,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:51,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:51,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:51,658 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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 [2020-11-28 03:00:51,688 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 [2020-11-28 03:00:51,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:51,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:51,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:51,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:51,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:51,690 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:51,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:51,691 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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 [2020-11-28 03:00:51,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:51,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:51,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:51,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:51,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:51,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:51,716 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:51,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:51,720 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:51,743 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 [2020-11-28 03:00:51,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:51,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:51,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:51,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:51,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:51,745 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:51,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:51,747 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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) [2020-11-28 03:00:51,771 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:51,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:51,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:51,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:51,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:51,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:51,773 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:51,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:51,775 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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 [2020-11-28 03:00:51,797 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 [2020-11-28 03:00:51,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:51,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:51,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:51,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:51,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:51,799 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:51,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:51,800 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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 [2020-11-28 03:00:51,828 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 [2020-11-28 03:00:51,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:51,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:51,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:51,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:51,854 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:00:51,854 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:00:51,875 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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 [2020-11-28 03:00:51,935 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 [2020-11-28 03:00:51,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:51,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:51,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:51,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:51,940 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:00:51,940 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:00:51,950 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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) [2020-11-28 03:00:51,980 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:51,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:51,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:51,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:51,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:51,986 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:00:51,986 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:00:52,004 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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 [2020-11-28 03:00:52,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:52,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:52,033 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-11-28 03:00:52,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:52,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:52,037 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 03:00:52,038 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:00:52,047 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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 [2020-11-28 03:00:52,071 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 [2020-11-28 03:00:52,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:52,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:52,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:52,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:52,083 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:00:52,083 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:00:52,086 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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 [2020-11-28 03:00:52,108 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 [2020-11-28 03:00:52,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:52,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:52,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:52,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:52,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:00:52,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:00:52,139 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:00:52,373 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2020-11-28 03:00:52,373 INFO L444 ModelExtractionUtils]: 23 out of 37 variables were initially zero. Simplification set additionally 11 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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) [2020-11-28 03:00:52,380 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:52,383 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-28 03:00:52,384 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:00:52,384 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc23.base)_1, ULTIMATE.start_cstrlen_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc23.base)_1 - 1*ULTIMATE.start_cstrlen_~s~0.offset Supporting invariants [] [2020-11-28 03:00:52,468 INFO L297 tatePredicateManager]: 14 out of 15 supporting invariants were superfluous and have been removed [2020-11-28 03:00:52,476 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-28 03:00:52,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:52,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:52,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 16 conjunts are in the unsatisfiable core [2020-11-28 03:00:52,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:00:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:52,586 WARN L261 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 03:00:52,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:00:52,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:00:52,625 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-11-28 03:00:52,626 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states. Second operand 4 states. [2020-11-28 03:00:52,774 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states.. Second operand 4 states. Result 80 states and 111 transitions. Complement of second has 7 states. [2020-11-28 03:00:52,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:00:52,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:00:52,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 77 transitions. [2020-11-28 03:00:52,781 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 77 transitions. Stem has 6 letters. Loop has 3 letters. [2020-11-28 03:00:52,782 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:00:52,782 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 77 transitions. Stem has 9 letters. Loop has 3 letters. [2020-11-28 03:00:52,784 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:00:52,784 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 77 transitions. Stem has 6 letters. Loop has 6 letters. [2020-11-28 03:00:52,784 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:00:52,785 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 111 transitions. [2020-11-28 03:00:52,793 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2020-11-28 03:00:52,800 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 27 states and 36 transitions. [2020-11-28 03:00:52,801 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2020-11-28 03:00:52,802 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2020-11-28 03:00:52,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 36 transitions. [2020-11-28 03:00:52,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:00:52,803 INFO L691 BuchiCegarLoop]: Abstraction has 27 states and 36 transitions. [2020-11-28 03:00:52,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 36 transitions. [2020-11-28 03:00:52,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-11-28 03:00:52,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-11-28 03:00:52,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2020-11-28 03:00:52,832 INFO L714 BuchiCegarLoop]: Abstraction has 27 states and 36 transitions. [2020-11-28 03:00:52,832 INFO L594 BuchiCegarLoop]: Abstraction has 27 states and 36 transitions. [2020-11-28 03:00:52,832 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:00:52,833 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 36 transitions. [2020-11-28 03:00:52,839 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2020-11-28 03:00:52,839 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:00:52,841 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:00:52,842 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:00:52,843 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:00:52,843 INFO L794 eck$LassoCheckResult]: Stem: 257#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 238#L-1 havoc main_#res;havoc main_#t~nondet20, main_#t~nondet21, main_#t~malloc22.base, main_#t~malloc22.offset, main_#t~malloc23.base, main_#t~malloc23.offset, main_#t~ret24.base, main_#t~ret24.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet20;havoc main_#t~nondet20;main_~length2~0 := main_#t~nondet21;havoc main_#t~nondet21; 231#L588 assume !(main_~length1~0 < 1); 232#L588-2 assume !(main_~length2~0 < 1); 237#L591-1 call main_#t~malloc22.base, main_#t~malloc22.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc22.base, main_#t~malloc22.offset;call main_#t~malloc23.base, main_#t~malloc23.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc23.base, main_#t~malloc23.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrstr_#in~s.base, cstrstr_#in~s.offset, cstrstr_#in~find.base, cstrstr_#in~find.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrstr_#res.base, cstrstr_#res.offset;havoc cstrstr_#t~post13.base, cstrstr_#t~post13.offset, cstrstr_#t~mem14, cstrstr_#t~ret15, cstrstr_#t~post17.base, cstrstr_#t~post17.offset, cstrstr_#t~mem18, cstrstr_#t~ret16, cstrstr_#t~post19.base, cstrstr_#t~post19.offset, cstrstr_~s.base, cstrstr_~s.offset, cstrstr_~find.base, cstrstr_~find.offset, cstrstr_~c~0, cstrstr_~sc~0, cstrstr_~len~0;cstrstr_~s.base, cstrstr_~s.offset := cstrstr_#in~s.base, cstrstr_#in~s.offset;cstrstr_~find.base, cstrstr_~find.offset := cstrstr_#in~find.base, cstrstr_#in~find.offset;havoc cstrstr_~c~0;havoc cstrstr_~sc~0;havoc cstrstr_~len~0;cstrstr_#t~post13.base, cstrstr_#t~post13.offset := cstrstr_~find.base, cstrstr_~find.offset;cstrstr_~find.base, cstrstr_~find.offset := cstrstr_#t~post13.base, 1 + cstrstr_#t~post13.offset;call cstrstr_#t~mem14 := read~int(cstrstr_#t~post13.base, cstrstr_#t~post13.offset, 1);cstrstr_~c~0 := cstrstr_#t~mem14; 248#L573 assume 0 != cstrstr_~c~0;havoc cstrstr_#t~post13.base, cstrstr_#t~post13.offset;havoc cstrstr_#t~mem14;cstrlen_#in~str.base, cstrlen_#in~str.offset := cstrstr_~find.base, cstrstr_~find.offset;havoc cstrlen_#res;havoc cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset, cstrlen_#t~mem3, cstrlen_~str.base, cstrlen_~str.offset, cstrlen_~s~0.base, cstrlen_~s~0.offset;cstrlen_~str.base, cstrlen_~str.offset := cstrlen_#in~str.base, cstrlen_#in~str.offset;havoc cstrlen_~s~0.base, cstrlen_~s~0.offset;cstrlen_~s~0.base, cstrlen_~s~0.offset := cstrlen_~str.base, cstrlen_~str.offset; 250#L551-4 call cstrlen_#t~mem3 := read~int(cstrlen_~s~0.base, cstrlen_~s~0.offset, 1); 252#L551-1 assume !(0 != cstrlen_#t~mem3);havoc cstrlen_#t~mem3; 253#L551-5 assume cstrlen_~s~0.base == cstrlen_~str.base;cstrlen_#res := (if cstrlen_~s~0.offset - cstrlen_~str.offset < 0 && 0 != (cstrlen_~s~0.offset - cstrlen_~str.offset) % 1 then 1 + (cstrlen_~s~0.offset - cstrlen_~str.offset) / 1 else (cstrlen_~s~0.offset - cstrlen_~str.offset) / 1); 254#L553 cstrstr_#t~ret15 := cstrlen_#res;cstrstr_~len~0 := cstrstr_#t~ret15;havoc cstrstr_#t~ret15; 256#L575-4 [2020-11-28 03:00:52,843 INFO L796 eck$LassoCheckResult]: Loop: 256#L575-4 goto; 239#L576-2 cstrstr_#t~post17.base, cstrstr_#t~post17.offset := cstrstr_~s.base, cstrstr_~s.offset;cstrstr_~s.base, cstrstr_~s.offset := cstrstr_#t~post17.base, 1 + cstrstr_#t~post17.offset;call cstrstr_#t~mem18 := read~int(cstrstr_#t~post17.base, cstrstr_#t~post17.offset, 1);cstrstr_~sc~0 := cstrstr_#t~mem18; 233#L577 assume !(0 == cstrstr_~sc~0);havoc cstrstr_#t~post17.base, cstrstr_#t~post17.offset;havoc cstrstr_#t~mem18; 234#L576 assume !(cstrstr_~sc~0 != cstrstr_~c~0); 255#L575-1 cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset, cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset, cstrncmp_#in~n := cstrstr_~s.base, cstrstr_~s.offset, cstrstr_~find.base, cstrstr_~find.offset, cstrstr_~len~0;havoc cstrncmp_#res;havoc cstrncmp_#t~mem6, cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset, cstrncmp_#t~mem7, cstrncmp_#t~mem9, cstrncmp_#t~pre8.base, cstrncmp_#t~pre8.offset, cstrncmp_#t~mem10, cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset, cstrncmp_#t~mem12, cstrncmp_#t~pre4, cstrncmp_~s1.base, cstrncmp_~s1.offset, cstrncmp_~s2.base, cstrncmp_~s2.offset, cstrncmp_~n;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset;cstrncmp_~n := cstrncmp_#in~n; 246#L558 assume 0 == cstrncmp_~n % 4294967296;cstrncmp_#res := 0; 235#L566 cstrstr_#t~ret16 := cstrncmp_#res; 236#L575-2 assume !!(0 != cstrstr_#t~ret16);havoc cstrstr_#t~ret16; 256#L575-4 [2020-11-28 03:00:52,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:52,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1592231857, now seen corresponding path program 1 times [2020-11-28 03:00:52,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:52,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107799129] [2020-11-28 03:00:52,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:52,896 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:52,926 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:52,940 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:00:52,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:52,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1752516368, now seen corresponding path program 1 times [2020-11-28 03:00:52,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:52,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925000117] [2020-11-28 03:00:52,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:52,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:00:52,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925000117] [2020-11-28 03:00:52,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:00:52,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:00:52,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57086854] [2020-11-28 03:00:52,993 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-28 03:00:52,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:00:52,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:00:52,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:00:52,997 INFO L87 Difference]: Start difference. First operand 27 states and 36 transitions. cyclomatic complexity: 11 Second operand 4 states. [2020-11-28 03:00:53,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:00:53,026 INFO L93 Difference]: Finished difference Result 29 states and 37 transitions. [2020-11-28 03:00:53,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:00:53,027 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 37 transitions. [2020-11-28 03:00:53,028 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2020-11-28 03:00:53,029 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 26 states and 32 transitions. [2020-11-28 03:00:53,029 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2020-11-28 03:00:53,029 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2020-11-28 03:00:53,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 32 transitions. [2020-11-28 03:00:53,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:00:53,029 INFO L691 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2020-11-28 03:00:53,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 32 transitions. [2020-11-28 03:00:53,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2020-11-28 03:00:53,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-11-28 03:00:53,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2020-11-28 03:00:53,032 INFO L714 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2020-11-28 03:00:53,032 INFO L594 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2020-11-28 03:00:53,032 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-28 03:00:53,032 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 32 transitions. [2020-11-28 03:00:53,033 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2020-11-28 03:00:53,033 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:00:53,033 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:00:53,033 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:00:53,034 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:00:53,034 INFO L794 eck$LassoCheckResult]: Stem: 319#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 317#L-1 havoc main_#res;havoc main_#t~nondet20, main_#t~nondet21, main_#t~malloc22.base, main_#t~malloc22.offset, main_#t~malloc23.base, main_#t~malloc23.offset, main_#t~ret24.base, main_#t~ret24.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet20;havoc main_#t~nondet20;main_~length2~0 := main_#t~nondet21;havoc main_#t~nondet21; 308#L588 assume !(main_~length1~0 < 1); 309#L588-2 assume !(main_~length2~0 < 1); 298#L591-1 call main_#t~malloc22.base, main_#t~malloc22.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc22.base, main_#t~malloc22.offset;call main_#t~malloc23.base, main_#t~malloc23.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc23.base, main_#t~malloc23.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrstr_#in~s.base, cstrstr_#in~s.offset, cstrstr_#in~find.base, cstrstr_#in~find.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrstr_#res.base, cstrstr_#res.offset;havoc cstrstr_#t~post13.base, cstrstr_#t~post13.offset, cstrstr_#t~mem14, cstrstr_#t~ret15, cstrstr_#t~post17.base, cstrstr_#t~post17.offset, cstrstr_#t~mem18, cstrstr_#t~ret16, cstrstr_#t~post19.base, cstrstr_#t~post19.offset, cstrstr_~s.base, cstrstr_~s.offset, cstrstr_~find.base, cstrstr_~find.offset, cstrstr_~c~0, cstrstr_~sc~0, cstrstr_~len~0;cstrstr_~s.base, cstrstr_~s.offset := cstrstr_#in~s.base, cstrstr_#in~s.offset;cstrstr_~find.base, cstrstr_~find.offset := cstrstr_#in~find.base, cstrstr_#in~find.offset;havoc cstrstr_~c~0;havoc cstrstr_~sc~0;havoc cstrstr_~len~0;cstrstr_#t~post13.base, cstrstr_#t~post13.offset := cstrstr_~find.base, cstrstr_~find.offset;cstrstr_~find.base, cstrstr_~find.offset := cstrstr_#t~post13.base, 1 + cstrstr_#t~post13.offset;call cstrstr_#t~mem14 := read~int(cstrstr_#t~post13.base, cstrstr_#t~post13.offset, 1);cstrstr_~c~0 := cstrstr_#t~mem14; 299#L573 assume 0 != cstrstr_~c~0;havoc cstrstr_#t~post13.base, cstrstr_#t~post13.offset;havoc cstrstr_#t~mem14;cstrlen_#in~str.base, cstrlen_#in~str.offset := cstrstr_~find.base, cstrstr_~find.offset;havoc cstrlen_#res;havoc cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset, cstrlen_#t~mem3, cstrlen_~str.base, cstrlen_~str.offset, cstrlen_~s~0.base, cstrlen_~s~0.offset;cstrlen_~str.base, cstrlen_~str.offset := cstrlen_#in~str.base, cstrlen_#in~str.offset;havoc cstrlen_~s~0.base, cstrlen_~s~0.offset;cstrlen_~s~0.base, cstrlen_~s~0.offset := cstrlen_~str.base, cstrlen_~str.offset; 303#L551-4 call cstrlen_#t~mem3 := read~int(cstrlen_~s~0.base, cstrlen_~s~0.offset, 1); 305#L551-1 assume !(0 != cstrlen_#t~mem3);havoc cstrlen_#t~mem3; 306#L551-5 assume cstrlen_~s~0.base == cstrlen_~str.base;cstrlen_#res := (if cstrlen_~s~0.offset - cstrlen_~str.offset < 0 && 0 != (cstrlen_~s~0.offset - cstrlen_~str.offset) % 1 then 1 + (cstrlen_~s~0.offset - cstrlen_~str.offset) / 1 else (cstrlen_~s~0.offset - cstrlen_~str.offset) / 1); 307#L553 cstrstr_#t~ret15 := cstrlen_#res;cstrstr_~len~0 := cstrstr_#t~ret15;havoc cstrstr_#t~ret15; 318#L575-4 [2020-11-28 03:00:53,034 INFO L796 eck$LassoCheckResult]: Loop: 318#L575-4 goto; 316#L576-2 cstrstr_#t~post17.base, cstrstr_#t~post17.offset := cstrstr_~s.base, cstrstr_~s.offset;cstrstr_~s.base, cstrstr_~s.offset := cstrstr_#t~post17.base, 1 + cstrstr_#t~post17.offset;call cstrstr_#t~mem18 := read~int(cstrstr_#t~post17.base, cstrstr_#t~post17.offset, 1);cstrstr_~sc~0 := cstrstr_#t~mem18; 311#L577 assume !(0 == cstrstr_~sc~0);havoc cstrstr_#t~post17.base, cstrstr_#t~post17.offset;havoc cstrstr_#t~mem18; 312#L576 assume !(cstrstr_~sc~0 != cstrstr_~c~0); 315#L575-1 cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset, cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset, cstrncmp_#in~n := cstrstr_~s.base, cstrstr_~s.offset, cstrstr_~find.base, cstrstr_~find.offset, cstrstr_~len~0;havoc cstrncmp_#res;havoc cstrncmp_#t~mem6, cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset, cstrncmp_#t~mem7, cstrncmp_#t~mem9, cstrncmp_#t~pre8.base, cstrncmp_#t~pre8.offset, cstrncmp_#t~mem10, cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset, cstrncmp_#t~mem12, cstrncmp_#t~pre4, cstrncmp_~s1.base, cstrncmp_~s1.offset, cstrncmp_~s2.base, cstrncmp_~s2.offset, cstrncmp_~n;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset;cstrncmp_~n := cstrncmp_#in~n; 300#L558 assume !(0 == cstrncmp_~n % 4294967296); 301#L560-4 call cstrncmp_#t~mem6 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#t~post5.base, 1 + cstrncmp_#t~post5.offset;call cstrncmp_#t~mem7 := read~int(cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset, 1); 310#L561 assume cstrncmp_#t~mem6 != cstrncmp_#t~mem7;havoc cstrncmp_#t~mem6;havoc cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset;havoc cstrncmp_#t~mem7;call cstrncmp_#t~mem9 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);cstrncmp_#t~pre8.base, cstrncmp_#t~pre8.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset - 1;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset - 1;call cstrncmp_#t~mem10 := read~int(cstrncmp_#t~pre8.base, cstrncmp_#t~pre8.offset, 1);cstrncmp_#res := cstrncmp_#t~mem9 % 256 - cstrncmp_#t~mem10 % 256;havoc cstrncmp_#t~pre8.base, cstrncmp_#t~pre8.offset;havoc cstrncmp_#t~mem9;havoc cstrncmp_#t~mem10; 313#L566 cstrstr_#t~ret16 := cstrncmp_#res; 314#L575-2 assume !!(0 != cstrstr_#t~ret16);havoc cstrstr_#t~ret16; 318#L575-4 [2020-11-28 03:00:53,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:53,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1592231857, now seen corresponding path program 2 times [2020-11-28 03:00:53,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:53,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034364717] [2020-11-28 03:00:53,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:53,052 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:53,069 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:53,075 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:00:53,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:53,075 INFO L82 PathProgramCache]: Analyzing trace with hash 542190293, now seen corresponding path program 1 times [2020-11-28 03:00:53,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:53,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642418981] [2020-11-28 03:00:53,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:53,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:53,101 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:53,135 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:53,139 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:00:53,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:53,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1106695813, now seen corresponding path program 1 times [2020-11-28 03:00:53,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:53,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023015149] [2020-11-28 03:00:53,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:53,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:00:53,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023015149] [2020-11-28 03:00:53,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:00:53,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:00:53,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919313983] [2020-11-28 03:00:53,767 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 100 [2020-11-28 03:00:53,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:00:53,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:00:53,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:00:53,870 INFO L87 Difference]: Start difference. First operand 26 states and 32 transitions. cyclomatic complexity: 8 Second operand 6 states. [2020-11-28 03:00:53,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:00:53,971 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2020-11-28 03:00:53,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:00:53,974 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 43 transitions. [2020-11-28 03:00:53,975 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 [2020-11-28 03:00:53,976 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 35 states and 41 transitions. [2020-11-28 03:00:53,976 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2020-11-28 03:00:53,976 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2020-11-28 03:00:53,976 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 41 transitions. [2020-11-28 03:00:53,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:00:53,976 INFO L691 BuchiCegarLoop]: Abstraction has 35 states and 41 transitions. [2020-11-28 03:00:53,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 41 transitions. [2020-11-28 03:00:53,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2020-11-28 03:00:53,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-28 03:00:53,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2020-11-28 03:00:53,979 INFO L714 BuchiCegarLoop]: Abstraction has 33 states and 39 transitions. [2020-11-28 03:00:53,979 INFO L594 BuchiCegarLoop]: Abstraction has 33 states and 39 transitions. [2020-11-28 03:00:53,979 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-28 03:00:53,979 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 39 transitions. [2020-11-28 03:00:53,980 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 [2020-11-28 03:00:53,980 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:00:53,980 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:00:53,981 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:00:53,981 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 03:00:53,981 INFO L794 eck$LassoCheckResult]: Stem: 401#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 397#L-1 havoc main_#res;havoc main_#t~nondet20, main_#t~nondet21, main_#t~malloc22.base, main_#t~malloc22.offset, main_#t~malloc23.base, main_#t~malloc23.offset, main_#t~ret24.base, main_#t~ret24.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet20;havoc main_#t~nondet20;main_~length2~0 := main_#t~nondet21;havoc main_#t~nondet21; 389#L588 assume !(main_~length1~0 < 1); 390#L588-2 assume !(main_~length2~0 < 1); 378#L591-1 call main_#t~malloc22.base, main_#t~malloc22.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc22.base, main_#t~malloc22.offset;call main_#t~malloc23.base, main_#t~malloc23.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc23.base, main_#t~malloc23.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrstr_#in~s.base, cstrstr_#in~s.offset, cstrstr_#in~find.base, cstrstr_#in~find.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrstr_#res.base, cstrstr_#res.offset;havoc cstrstr_#t~post13.base, cstrstr_#t~post13.offset, cstrstr_#t~mem14, cstrstr_#t~ret15, cstrstr_#t~post17.base, cstrstr_#t~post17.offset, cstrstr_#t~mem18, cstrstr_#t~ret16, cstrstr_#t~post19.base, cstrstr_#t~post19.offset, cstrstr_~s.base, cstrstr_~s.offset, cstrstr_~find.base, cstrstr_~find.offset, cstrstr_~c~0, cstrstr_~sc~0, cstrstr_~len~0;cstrstr_~s.base, cstrstr_~s.offset := cstrstr_#in~s.base, cstrstr_#in~s.offset;cstrstr_~find.base, cstrstr_~find.offset := cstrstr_#in~find.base, cstrstr_#in~find.offset;havoc cstrstr_~c~0;havoc cstrstr_~sc~0;havoc cstrstr_~len~0;cstrstr_#t~post13.base, cstrstr_#t~post13.offset := cstrstr_~find.base, cstrstr_~find.offset;cstrstr_~find.base, cstrstr_~find.offset := cstrstr_#t~post13.base, 1 + cstrstr_#t~post13.offset;call cstrstr_#t~mem14 := read~int(cstrstr_#t~post13.base, cstrstr_#t~post13.offset, 1);cstrstr_~c~0 := cstrstr_#t~mem14; 379#L573 assume 0 != cstrstr_~c~0;havoc cstrstr_#t~post13.base, cstrstr_#t~post13.offset;havoc cstrstr_#t~mem14;cstrlen_#in~str.base, cstrlen_#in~str.offset := cstrstr_~find.base, cstrstr_~find.offset;havoc cstrlen_#res;havoc cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset, cstrlen_#t~mem3, cstrlen_~str.base, cstrlen_~str.offset, cstrlen_~s~0.base, cstrlen_~s~0.offset;cstrlen_~str.base, cstrlen_~str.offset := cstrlen_#in~str.base, cstrlen_#in~str.offset;havoc cstrlen_~s~0.base, cstrlen_~s~0.offset;cstrlen_~s~0.base, cstrlen_~s~0.offset := cstrlen_~str.base, cstrlen_~str.offset; 383#L551-4 call cstrlen_#t~mem3 := read~int(cstrlen_~s~0.base, cstrlen_~s~0.offset, 1); 385#L551-1 assume !(0 != cstrlen_#t~mem3);havoc cstrlen_#t~mem3; 387#L551-5 assume cstrlen_~s~0.base == cstrlen_~str.base;cstrlen_#res := (if cstrlen_~s~0.offset - cstrlen_~str.offset < 0 && 0 != (cstrlen_~s~0.offset - cstrlen_~str.offset) % 1 then 1 + (cstrlen_~s~0.offset - cstrlen_~str.offset) / 1 else (cstrlen_~s~0.offset - cstrlen_~str.offset) / 1); 388#L553 cstrstr_#t~ret15 := cstrlen_#res;cstrstr_~len~0 := cstrstr_#t~ret15;havoc cstrstr_#t~ret15; 404#L575-4 goto; 396#L576-2 [2020-11-28 03:00:53,981 INFO L796 eck$LassoCheckResult]: Loop: 396#L576-2 cstrstr_#t~post17.base, cstrstr_#t~post17.offset := cstrstr_~s.base, cstrstr_~s.offset;cstrstr_~s.base, cstrstr_~s.offset := cstrstr_#t~post17.base, 1 + cstrstr_#t~post17.offset;call cstrstr_#t~mem18 := read~int(cstrstr_#t~post17.base, cstrstr_#t~post17.offset, 1);cstrstr_~sc~0 := cstrstr_#t~mem18; 392#L577 assume !(0 == cstrstr_~sc~0);havoc cstrstr_#t~post17.base, cstrstr_#t~post17.offset;havoc cstrstr_#t~mem18; 393#L576 assume !!(cstrstr_~sc~0 != cstrstr_~c~0); 396#L576-2 [2020-11-28 03:00:53,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:53,981 INFO L82 PathProgramCache]: Analyzing trace with hash 2114547350, now seen corresponding path program 1 times [2020-11-28 03:00:53,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:53,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348397892] [2020-11-28 03:00:53,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:54,006 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:54,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:54,024 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:54,034 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:00:54,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:54,035 INFO L82 PathProgramCache]: Analyzing trace with hash 71663, now seen corresponding path program 1 times [2020-11-28 03:00:54,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:54,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407007601] [2020-11-28 03:00:54,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:54,038 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:54,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:54,040 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:54,042 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:00:54,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:54,042 INFO L82 PathProgramCache]: Analyzing trace with hash 194815290, now seen corresponding path program 1 times [2020-11-28 03:00:54,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:54,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410816129] [2020-11-28 03:00:54,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:54,072 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:54,086 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:54,095 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:00:54,792 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 124 [2020-11-28 03:00:54,963 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-11-28 03:00:54,964 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:00:54,965 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:00:54,965 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:00:54,965 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:00:54,965 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:00:54,965 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:54,965 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:00:54,965 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:00:54,965 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrstr-alloca-1.i_Iteration4_Lasso [2020-11-28 03:00:54,965 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:00:54,965 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:00:54,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:54,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:55,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:55,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:55,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:55,497 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 85 [2020-11-28 03:00:55,629 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2020-11-28 03:00:55,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:55,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:55,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:55,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:55,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:55,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:55,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:55,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:55,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:55,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:55,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:55,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:55,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:55,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:55,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:55,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:55,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:55,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:55,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:55,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:55,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:56,339 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:00:56,345 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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) [2020-11-28 03:00:56,355 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 [2020-11-28 03:00:56,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:56,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:56,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:56,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:56,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:56,358 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:56,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:56,360 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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 [2020-11-28 03:00:56,386 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 [2020-11-28 03:00:56,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:56,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:56,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:56,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:56,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:56,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:56,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:56,389 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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 [2020-11-28 03:00:56,413 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 [2020-11-28 03:00:56,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:56,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:56,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:56,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:56,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:56,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:56,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:00:56,428 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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) [2020-11-28 03:00:56,465 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 [2020-11-28 03:00:56,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:56,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:56,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:56,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:56,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:56,468 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:56,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:56,469 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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) [2020-11-28 03:00:56,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:56,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:56,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:56,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:56,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:56,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:00:56,511 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:00:56,516 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:56,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:00:56,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:56,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:56,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:56,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:56,540 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:00:56,540 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:00:56,551 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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) [2020-11-28 03:00:56,573 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:56,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:56,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:56,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:56,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:56,576 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:00:56,576 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:00:56,580 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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) [2020-11-28 03:00:56,618 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 [2020-11-28 03:00:56,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:56,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:56,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:56,621 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 [2020-11-28 03:00:56,633 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:00:56,634 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:00:56,654 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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) [2020-11-28 03:00:56,691 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 [2020-11-28 03:00:56,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:56,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:56,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:56,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:56,714 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:00:56,714 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:00:56,733 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:00:56,770 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-11-28 03:00:56,771 INFO L444 ModelExtractionUtils]: 14 out of 46 variables were initially zero. Simplification set additionally 29 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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 [2020-11-28 03:00:56,793 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:00:56,795 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-28 03:00:56,795 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:00:56,795 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrstr_~s.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc22.base)_2) = -1*ULTIMATE.start_cstrstr_~s.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc22.base)_2 Supporting invariants [] [2020-11-28 03:00:56,865 INFO L297 tatePredicateManager]: 17 out of 18 supporting invariants were superfluous and have been removed [2020-11-28 03:00:56,868 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-28 03:00:56,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:56,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 03:00:56,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:00:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:56,989 WARN L261 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-28 03:00:56,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:00:57,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:00:57,046 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-11-28 03:00:57,046 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 39 transitions. cyclomatic complexity: 9 Second operand 4 states. [2020-11-28 03:00:57,103 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 39 transitions. cyclomatic complexity: 9. Second operand 4 states. Result 50 states and 58 transitions. Complement of second has 5 states. [2020-11-28 03:00:57,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:00:57,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:00:57,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2020-11-28 03:00:57,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 11 letters. Loop has 3 letters. [2020-11-28 03:00:57,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:00:57,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 14 letters. Loop has 3 letters. [2020-11-28 03:00:57,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:00:57,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 11 letters. Loop has 6 letters. [2020-11-28 03:00:57,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:00:57,106 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 58 transitions. [2020-11-28 03:00:57,107 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-28 03:00:57,108 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 36 states and 42 transitions. [2020-11-28 03:00:57,108 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2020-11-28 03:00:57,108 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2020-11-28 03:00:57,108 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 42 transitions. [2020-11-28 03:00:57,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:00:57,109 INFO L691 BuchiCegarLoop]: Abstraction has 36 states and 42 transitions. [2020-11-28 03:00:57,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 42 transitions. [2020-11-28 03:00:57,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-11-28 03:00:57,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-11-28 03:00:57,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions. [2020-11-28 03:00:57,114 INFO L714 BuchiCegarLoop]: Abstraction has 36 states and 42 transitions. [2020-11-28 03:00:57,114 INFO L594 BuchiCegarLoop]: Abstraction has 36 states and 42 transitions. [2020-11-28 03:00:57,115 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-11-28 03:00:57,115 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 42 transitions. [2020-11-28 03:00:57,115 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-28 03:00:57,115 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:00:57,115 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:00:57,116 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:00:57,116 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-28 03:00:57,116 INFO L794 eck$LassoCheckResult]: Stem: 634#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 627#L-1 havoc main_#res;havoc main_#t~nondet20, main_#t~nondet21, main_#t~malloc22.base, main_#t~malloc22.offset, main_#t~malloc23.base, main_#t~malloc23.offset, main_#t~ret24.base, main_#t~ret24.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet20;havoc main_#t~nondet20;main_~length2~0 := main_#t~nondet21;havoc main_#t~nondet21; 617#L588 assume !(main_~length1~0 < 1); 618#L588-2 assume !(main_~length2~0 < 1); 608#L591-1 call main_#t~malloc22.base, main_#t~malloc22.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc22.base, main_#t~malloc22.offset;call main_#t~malloc23.base, main_#t~malloc23.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc23.base, main_#t~malloc23.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrstr_#in~s.base, cstrstr_#in~s.offset, cstrstr_#in~find.base, cstrstr_#in~find.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrstr_#res.base, cstrstr_#res.offset;havoc cstrstr_#t~post13.base, cstrstr_#t~post13.offset, cstrstr_#t~mem14, cstrstr_#t~ret15, cstrstr_#t~post17.base, cstrstr_#t~post17.offset, cstrstr_#t~mem18, cstrstr_#t~ret16, cstrstr_#t~post19.base, cstrstr_#t~post19.offset, cstrstr_~s.base, cstrstr_~s.offset, cstrstr_~find.base, cstrstr_~find.offset, cstrstr_~c~0, cstrstr_~sc~0, cstrstr_~len~0;cstrstr_~s.base, cstrstr_~s.offset := cstrstr_#in~s.base, cstrstr_#in~s.offset;cstrstr_~find.base, cstrstr_~find.offset := cstrstr_#in~find.base, cstrstr_#in~find.offset;havoc cstrstr_~c~0;havoc cstrstr_~sc~0;havoc cstrstr_~len~0;cstrstr_#t~post13.base, cstrstr_#t~post13.offset := cstrstr_~find.base, cstrstr_~find.offset;cstrstr_~find.base, cstrstr_~find.offset := cstrstr_#t~post13.base, 1 + cstrstr_#t~post13.offset;call cstrstr_#t~mem14 := read~int(cstrstr_#t~post13.base, cstrstr_#t~post13.offset, 1);cstrstr_~c~0 := cstrstr_#t~mem14; 609#L573 assume 0 != cstrstr_~c~0;havoc cstrstr_#t~post13.base, cstrstr_#t~post13.offset;havoc cstrstr_#t~mem14;cstrlen_#in~str.base, cstrlen_#in~str.offset := cstrstr_~find.base, cstrstr_~find.offset;havoc cstrlen_#res;havoc cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset, cstrlen_#t~mem3, cstrlen_~str.base, cstrlen_~str.offset, cstrlen_~s~0.base, cstrlen_~s~0.offset;cstrlen_~str.base, cstrlen_~str.offset := cstrlen_#in~str.base, cstrlen_#in~str.offset;havoc cstrlen_~s~0.base, cstrlen_~s~0.offset;cstrlen_~s~0.base, cstrlen_~s~0.offset := cstrlen_~str.base, cstrlen_~str.offset; 610#L551-4 call cstrlen_#t~mem3 := read~int(cstrlen_~s~0.base, cstrlen_~s~0.offset, 1); 611#L551-1 assume !!(0 != cstrlen_#t~mem3);havoc cstrlen_#t~mem3; 600#L551-3 cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset := cstrlen_~s~0.base, 1 + cstrlen_~s~0.offset;cstrlen_~s~0.base, cstrlen_~s~0.offset := cstrlen_~s~0.base, 1 + cstrlen_~s~0.offset;havoc cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset; 601#L551-4 call cstrlen_#t~mem3 := read~int(cstrlen_~s~0.base, cstrlen_~s~0.offset, 1); 612#L551-1 assume !(0 != cstrlen_#t~mem3);havoc cstrlen_#t~mem3; 613#L551-5 assume cstrlen_~s~0.base == cstrlen_~str.base;cstrlen_#res := (if cstrlen_~s~0.offset - cstrlen_~str.offset < 0 && 0 != (cstrlen_~s~0.offset - cstrlen_~str.offset) % 1 then 1 + (cstrlen_~s~0.offset - cstrlen_~str.offset) / 1 else (cstrlen_~s~0.offset - cstrlen_~str.offset) / 1); 614#L553 cstrstr_#t~ret15 := cstrlen_#res;cstrstr_~len~0 := cstrstr_#t~ret15;havoc cstrstr_#t~ret15; 628#L575-4 goto; 629#L576-2 cstrstr_#t~post17.base, cstrstr_#t~post17.offset := cstrstr_~s.base, cstrstr_~s.offset;cstrstr_~s.base, cstrstr_~s.offset := cstrstr_#t~post17.base, 1 + cstrstr_#t~post17.offset;call cstrstr_#t~mem18 := read~int(cstrstr_#t~post17.base, cstrstr_#t~post17.offset, 1);cstrstr_~sc~0 := cstrstr_#t~mem18; 619#L577 assume !(0 == cstrstr_~sc~0);havoc cstrstr_#t~post17.base, cstrstr_#t~post17.offset;havoc cstrstr_#t~mem18; 621#L576 assume !(cstrstr_~sc~0 != cstrstr_~c~0); 624#L575-1 cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset, cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset, cstrncmp_#in~n := cstrstr_~s.base, cstrstr_~s.offset, cstrstr_~find.base, cstrstr_~find.offset, cstrstr_~len~0;havoc cstrncmp_#res;havoc cstrncmp_#t~mem6, cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset, cstrncmp_#t~mem7, cstrncmp_#t~mem9, cstrncmp_#t~pre8.base, cstrncmp_#t~pre8.offset, cstrncmp_#t~mem10, cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset, cstrncmp_#t~mem12, cstrncmp_#t~pre4, cstrncmp_~s1.base, cstrncmp_~s1.offset, cstrncmp_~s2.base, cstrncmp_~s2.offset, cstrncmp_~n;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset;cstrncmp_~n := cstrncmp_#in~n; 602#L558 assume !(0 == cstrncmp_~n % 4294967296); 603#L560-4 [2020-11-28 03:00:57,116 INFO L796 eck$LassoCheckResult]: Loop: 603#L560-4 call cstrncmp_#t~mem6 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#t~post5.base, 1 + cstrncmp_#t~post5.offset;call cstrncmp_#t~mem7 := read~int(cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset, 1); 615#L561 assume !(cstrncmp_#t~mem6 != cstrncmp_#t~mem7);havoc cstrncmp_#t~mem6;havoc cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset;havoc cstrncmp_#t~mem7;cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset := cstrncmp_~s1.base, cstrncmp_~s1.offset;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#t~post11.base, 1 + cstrncmp_#t~post11.offset;call cstrncmp_#t~mem12 := read~int(cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset, 1); 630#L563 assume !(0 == cstrncmp_#t~mem12);havoc cstrncmp_#t~mem12;havoc cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset; 631#L560-1 cstrncmp_#t~pre4 := cstrncmp_~n - 1;cstrncmp_~n := cstrncmp_~n - 1; 606#L560-2 assume !!(0 != cstrncmp_#t~pre4 % 4294967296);havoc cstrncmp_#t~pre4; 603#L560-4 [2020-11-28 03:00:57,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:57,116 INFO L82 PathProgramCache]: Analyzing trace with hash -912258627, now seen corresponding path program 1 times [2020-11-28 03:00:57,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:57,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801120691] [2020-11-28 03:00:57,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:57,137 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:57,161 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:57,177 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:00:57,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:57,178 INFO L82 PathProgramCache]: Analyzing trace with hash 91772235, now seen corresponding path program 1 times [2020-11-28 03:00:57,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:57,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420047433] [2020-11-28 03:00:57,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:57,185 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:57,200 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:57,203 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:00:57,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:57,204 INFO L82 PathProgramCache]: Analyzing trace with hash -599457521, now seen corresponding path program 1 times [2020-11-28 03:00:57,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:57,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727928173] [2020-11-28 03:00:57,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:57,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:00:57,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727928173] [2020-11-28 03:00:57,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141769368] [2020-11-28 03:00:57,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/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 [2020-11-28 03:00:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:57,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-28 03:00:57,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:00:57,499 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 1] term [2020-11-28 03:00:57,500 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 03:00:57,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:00:57,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 03:00:57,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2020-11-28 03:00:57,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552530654] [2020-11-28 03:00:57,651 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2020-11-28 03:00:57,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:00:57,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-28 03:00:57,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:00:57,685 INFO L87 Difference]: Start difference. First operand 36 states and 42 transitions. cyclomatic complexity: 9 Second operand 9 states. [2020-11-28 03:00:57,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:00:57,831 INFO L93 Difference]: Finished difference Result 73 states and 83 transitions. [2020-11-28 03:00:57,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:00:57,831 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 83 transitions. [2020-11-28 03:00:57,832 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-28 03:00:57,833 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 41 states and 47 transitions. [2020-11-28 03:00:57,833 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2020-11-28 03:00:57,833 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2020-11-28 03:00:57,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 47 transitions. [2020-11-28 03:00:57,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:00:57,833 INFO L691 BuchiCegarLoop]: Abstraction has 41 states and 47 transitions. [2020-11-28 03:00:57,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 47 transitions. [2020-11-28 03:00:57,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2020-11-28 03:00:57,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-11-28 03:00:57,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2020-11-28 03:00:57,836 INFO L714 BuchiCegarLoop]: Abstraction has 39 states and 45 transitions. [2020-11-28 03:00:57,836 INFO L594 BuchiCegarLoop]: Abstraction has 39 states and 45 transitions. [2020-11-28 03:00:57,836 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-11-28 03:00:57,837 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 45 transitions. [2020-11-28 03:00:57,837 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-28 03:00:57,837 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:00:57,837 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:00:57,838 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:00:57,838 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-28 03:00:57,838 INFO L794 eck$LassoCheckResult]: Stem: 830#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 827#L-1 havoc main_#res;havoc main_#t~nondet20, main_#t~nondet21, main_#t~malloc22.base, main_#t~malloc22.offset, main_#t~malloc23.base, main_#t~malloc23.offset, main_#t~ret24.base, main_#t~ret24.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet20;havoc main_#t~nondet20;main_~length2~0 := main_#t~nondet21;havoc main_#t~nondet21; 817#L588 assume !(main_~length1~0 < 1); 818#L588-2 assume !(main_~length2~0 < 1); 806#L591-1 call main_#t~malloc22.base, main_#t~malloc22.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc22.base, main_#t~malloc22.offset;call main_#t~malloc23.base, main_#t~malloc23.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc23.base, main_#t~malloc23.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrstr_#in~s.base, cstrstr_#in~s.offset, cstrstr_#in~find.base, cstrstr_#in~find.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrstr_#res.base, cstrstr_#res.offset;havoc cstrstr_#t~post13.base, cstrstr_#t~post13.offset, cstrstr_#t~mem14, cstrstr_#t~ret15, cstrstr_#t~post17.base, cstrstr_#t~post17.offset, cstrstr_#t~mem18, cstrstr_#t~ret16, cstrstr_#t~post19.base, cstrstr_#t~post19.offset, cstrstr_~s.base, cstrstr_~s.offset, cstrstr_~find.base, cstrstr_~find.offset, cstrstr_~c~0, cstrstr_~sc~0, cstrstr_~len~0;cstrstr_~s.base, cstrstr_~s.offset := cstrstr_#in~s.base, cstrstr_#in~s.offset;cstrstr_~find.base, cstrstr_~find.offset := cstrstr_#in~find.base, cstrstr_#in~find.offset;havoc cstrstr_~c~0;havoc cstrstr_~sc~0;havoc cstrstr_~len~0;cstrstr_#t~post13.base, cstrstr_#t~post13.offset := cstrstr_~find.base, cstrstr_~find.offset;cstrstr_~find.base, cstrstr_~find.offset := cstrstr_#t~post13.base, 1 + cstrstr_#t~post13.offset;call cstrstr_#t~mem14 := read~int(cstrstr_#t~post13.base, cstrstr_#t~post13.offset, 1);cstrstr_~c~0 := cstrstr_#t~mem14; 807#L573 assume 0 != cstrstr_~c~0;havoc cstrstr_#t~post13.base, cstrstr_#t~post13.offset;havoc cstrstr_#t~mem14;cstrlen_#in~str.base, cstrlen_#in~str.offset := cstrstr_~find.base, cstrstr_~find.offset;havoc cstrlen_#res;havoc cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset, cstrlen_#t~mem3, cstrlen_~str.base, cstrlen_~str.offset, cstrlen_~s~0.base, cstrlen_~s~0.offset;cstrlen_~str.base, cstrlen_~str.offset := cstrlen_#in~str.base, cstrlen_#in~str.offset;havoc cstrlen_~s~0.base, cstrlen_~s~0.offset;cstrlen_~s~0.base, cstrlen_~s~0.offset := cstrlen_~str.base, cstrlen_~str.offset; 810#L551-4 call cstrlen_#t~mem3 := read~int(cstrlen_~s~0.base, cstrlen_~s~0.offset, 1); 811#L551-1 assume !!(0 != cstrlen_#t~mem3);havoc cstrlen_#t~mem3; 800#L551-3 cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset := cstrlen_~s~0.base, 1 + cstrlen_~s~0.offset;cstrlen_~s~0.base, cstrlen_~s~0.offset := cstrlen_~s~0.base, 1 + cstrlen_~s~0.offset;havoc cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset; 801#L551-4 call cstrlen_#t~mem3 := read~int(cstrlen_~s~0.base, cstrlen_~s~0.offset, 1); 812#L551-1 assume !!(0 != cstrlen_#t~mem3);havoc cstrlen_#t~mem3; 837#L551-3 cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset := cstrlen_~s~0.base, 1 + cstrlen_~s~0.offset;cstrlen_~s~0.base, cstrlen_~s~0.offset := cstrlen_~s~0.base, 1 + cstrlen_~s~0.offset;havoc cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset; 838#L551-4 call cstrlen_#t~mem3 := read~int(cstrlen_~s~0.base, cstrlen_~s~0.offset, 1); 836#L551-1 assume !(0 != cstrlen_#t~mem3);havoc cstrlen_#t~mem3; 813#L551-5 assume cstrlen_~s~0.base == cstrlen_~str.base;cstrlen_#res := (if cstrlen_~s~0.offset - cstrlen_~str.offset < 0 && 0 != (cstrlen_~s~0.offset - cstrlen_~str.offset) % 1 then 1 + (cstrlen_~s~0.offset - cstrlen_~str.offset) / 1 else (cstrlen_~s~0.offset - cstrlen_~str.offset) / 1); 814#L553 cstrstr_#t~ret15 := cstrlen_#res;cstrstr_~len~0 := cstrstr_#t~ret15;havoc cstrstr_#t~ret15; 828#L575-4 goto; 829#L576-2 cstrstr_#t~post17.base, cstrstr_#t~post17.offset := cstrstr_~s.base, cstrstr_~s.offset;cstrstr_~s.base, cstrstr_~s.offset := cstrstr_#t~post17.base, 1 + cstrstr_#t~post17.offset;call cstrstr_#t~mem18 := read~int(cstrstr_#t~post17.base, cstrstr_#t~post17.offset, 1);cstrstr_~sc~0 := cstrstr_#t~mem18; 819#L577 assume !(0 == cstrstr_~sc~0);havoc cstrstr_#t~post17.base, cstrstr_#t~post17.offset;havoc cstrstr_#t~mem18; 821#L576 assume !(cstrstr_~sc~0 != cstrstr_~c~0); 824#L575-1 cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset, cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset, cstrncmp_#in~n := cstrstr_~s.base, cstrstr_~s.offset, cstrstr_~find.base, cstrstr_~find.offset, cstrstr_~len~0;havoc cstrncmp_#res;havoc cstrncmp_#t~mem6, cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset, cstrncmp_#t~mem7, cstrncmp_#t~mem9, cstrncmp_#t~pre8.base, cstrncmp_#t~pre8.offset, cstrncmp_#t~mem10, cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset, cstrncmp_#t~mem12, cstrncmp_#t~pre4, cstrncmp_~s1.base, cstrncmp_~s1.offset, cstrncmp_~s2.base, cstrncmp_~s2.offset, cstrncmp_~n;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset;cstrncmp_~n := cstrncmp_#in~n; 802#L558 assume !(0 == cstrncmp_~n % 4294967296); 803#L560-4 [2020-11-28 03:00:57,838 INFO L796 eck$LassoCheckResult]: Loop: 803#L560-4 call cstrncmp_#t~mem6 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#t~post5.base, 1 + cstrncmp_#t~post5.offset;call cstrncmp_#t~mem7 := read~int(cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset, 1); 815#L561 assume !(cstrncmp_#t~mem6 != cstrncmp_#t~mem7);havoc cstrncmp_#t~mem6;havoc cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset;havoc cstrncmp_#t~mem7;cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset := cstrncmp_~s1.base, cstrncmp_~s1.offset;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#t~post11.base, 1 + cstrncmp_#t~post11.offset;call cstrncmp_#t~mem12 := read~int(cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset, 1); 831#L563 assume !(0 == cstrncmp_#t~mem12);havoc cstrncmp_#t~mem12;havoc cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset; 832#L560-1 cstrncmp_#t~pre4 := cstrncmp_~n - 1;cstrncmp_~n := cstrncmp_~n - 1; 808#L560-2 assume !!(0 != cstrncmp_#t~pre4 % 4294967296);havoc cstrncmp_#t~pre4; 803#L560-4 [2020-11-28 03:00:57,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:57,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1478230621, now seen corresponding path program 2 times [2020-11-28 03:00:57,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:57,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894876270] [2020-11-28 03:00:57,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:57,873 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:57,912 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:57,957 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:00:57,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:57,958 INFO L82 PathProgramCache]: Analyzing trace with hash 91772235, now seen corresponding path program 2 times [2020-11-28 03:00:57,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:57,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731159666] [2020-11-28 03:00:57,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:57,970 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:57,978 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:57,980 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:00:57,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:57,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1703636079, now seen corresponding path program 2 times [2020-11-28 03:00:57,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:57,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780066505] [2020-11-28 03:00:57,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:58,019 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:58,057 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:58,064 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:00:58,217 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2020-11-28 03:00:59,359 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 231 DAG size of output: 185 [2020-11-28 03:00:59,679 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-11-28 03:00:59,688 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:00:59,688 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:00:59,688 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:00:59,688 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:00:59,688 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:00:59,688 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:59,688 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:00:59,688 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:00:59,688 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrstr-alloca-1.i_Iteration6_Lasso [2020-11-28 03:00:59,688 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:00:59,688 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:00:59,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:00:59,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:00,840 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 129 [2020-11-28 03:01:01,105 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 82 [2020-11-28 03:01:01,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:01,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:01,561 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2020-11-28 03:01:01,691 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2020-11-28 03:01:02,112 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-11-28 03:01:02,345 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:01:02,345 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:01:02,372 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 [2020-11-28 03:01:02,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:02,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:02,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:02,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:02,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:02,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:02,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:02,376 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:02,404 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 [2020-11-28 03:01:02,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:02,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:02,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:02,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:02,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:02,406 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:02,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:02,407 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:02,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:01:02,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:02,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:02,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:02,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:02,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:02,430 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:02,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:02,431 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:02,455 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 [2020-11-28 03:01:02,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:02,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:02,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:02,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:02,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:02,457 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:02,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:02,458 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:02,480 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 [2020-11-28 03:01:02,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:02,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:02,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:02,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:02,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:02,482 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:02,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:02,483 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:02,504 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:01:02,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:02,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:02,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:02,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:02,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:02,506 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:02,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:02,507 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:02,530 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 [2020-11-28 03:01:02,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:02,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:02,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:02,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:02,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:02,532 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:02,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:02,541 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:01:02,564 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 [2020-11-28 03:01:02,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:02,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:02,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:02,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:02,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:02,567 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:02,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:02,569 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:01:02,606 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 [2020-11-28 03:01:02,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:02,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:02,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:02,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:02,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:02,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:02,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:02,610 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 49 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 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:02,636 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 [2020-11-28 03:01:02,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:02,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:02,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:02,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:02,639 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:01:02,639 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:01:02,642 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 50 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 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:02,664 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 [2020-11-28 03:01:02,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:02,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:02,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:02,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:02,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:02,665 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:02,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:02,666 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 51 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 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:02,689 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 [2020-11-28 03:01:02,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:02,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:02,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:02,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:02,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:02,691 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:02,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:02,692 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 52 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 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:02,715 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 [2020-11-28 03:01:02,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:02,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:02,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:02,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:02,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:02,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:02,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:02,718 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 53 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 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:02,746 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 [2020-11-28 03:01:02,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:02,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:02,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:02,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:02,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:02,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:02,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:02,752 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 54 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 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:02,774 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 [2020-11-28 03:01:02,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:02,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:02,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:02,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:02,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:02,776 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:02,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:02,777 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 55 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 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:02,806 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 [2020-11-28 03:01:02,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:02,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:02,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:02,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:02,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:02,808 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:02,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:02,809 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 56 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 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:02,833 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 [2020-11-28 03:01:02,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:02,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:02,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:02,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:02,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:02,834 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:02,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:02,835 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 57 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 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:02,857 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 [2020-11-28 03:01:02,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:02,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:02,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:02,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:02,860 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:01:02,860 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:01:02,862 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 58 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 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:02,885 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 [2020-11-28 03:01:02,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:02,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:02,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:02,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:02,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:02,887 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:02,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:02,888 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 59 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 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:02,909 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 [2020-11-28 03:01:02,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:02,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:02,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:02,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:02,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:02,911 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:02,911 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:02,920 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 60 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 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:02,943 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 [2020-11-28 03:01:02,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:02,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:02,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:02,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:02,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:02,945 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:02,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:02,960 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:01:03,008 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 [2020-11-28 03:01:03,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:03,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:03,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:03,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:03,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:03,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:03,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:03,013 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:01:03,050 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 [2020-11-28 03:01:03,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:03,052 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:03,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:03,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:03,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:03,053 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:03,053 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:03,055 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:01:03,093 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 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:03,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:03,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:03,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:03,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:03,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:03,095 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:03,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:03,096 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 64 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 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:03,117 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 [2020-11-28 03:01:03,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:03,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:03,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:03,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:03,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:01:03,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:01:03,122 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 65 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 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:03,144 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 [2020-11-28 03:01:03,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:03,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:03,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:03,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:03,146 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:01:03,146 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:01:03,149 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 66 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 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:03,169 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 [2020-11-28 03:01:03,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:03,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:03,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:03,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:03,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:03,172 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:03,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:03,173 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:01:03,194 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 [2020-11-28 03:01:03,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:03,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:03,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:03,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:03,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:03,196 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:03,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:03,197 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 68 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 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:03,228 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 [2020-11-28 03:01:03,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:03,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:03,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:03,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:03,231 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:01:03,231 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:01:03,233 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 69 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 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:03,258 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 [2020-11-28 03:01:03,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:03,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:03,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:03,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:03,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:03,260 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:03,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:03,261 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 70 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 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:03,282 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 [2020-11-28 03:01:03,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:03,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:03,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:03,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:03,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:03,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:03,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:03,285 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 71 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 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:03,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:01:03,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:03,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:03,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:03,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:03,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:03,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:03,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:03,309 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 72 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 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:03,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:01:03,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:03,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:03,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:03,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:03,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:03,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:03,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:03,333 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 73 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 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:03,354 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 [2020-11-28 03:01:03,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:03,356 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:03,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:03,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:03,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:03,356 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:03,356 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:03,357 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 74 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 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:03,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:01:03,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:03,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:03,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:03,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:03,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:03,381 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:03,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:03,382 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 75 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 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:03,403 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 [2020-11-28 03:01:03,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:03,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:03,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:03,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:03,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:03,405 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:03,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:03,406 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 76 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 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:03,427 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 [2020-11-28 03:01:03,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:03,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:03,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:03,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:03,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:03,429 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:03,429 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:03,439 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 77 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 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:03,483 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 [2020-11-28 03:01:03,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:03,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:03,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:03,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:03,490 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:01:03,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:01:03,494 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 78 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 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:03,516 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 [2020-11-28 03:01:03,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:03,518 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-11-28 03:01:03,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:03,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:03,521 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 03:01:03,521 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:01:03,527 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 79 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 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:03,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:01:03,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:03,550 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-11-28 03:01:03,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:03,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:03,551 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 03:01:03,551 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:01:03,555 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 80 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 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:03,578 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 [2020-11-28 03:01:03,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:03,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:03,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:03,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:03,608 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:01:03,608 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:01:03,651 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:01:03,771 INFO L443 ModelExtractionUtils]: Simplification made 29 calls to the SMT solver. [2020-11-28 03:01:03,771 INFO L444 ModelExtractionUtils]: 20 out of 79 variables were initially zero. Simplification set additionally 56 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:01:03,775 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:03,778 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-28 03:01:03,778 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:01:03,778 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc22.base)_3, ULTIMATE.start_cstrncmp_~s2.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc22.base)_3 - 1*ULTIMATE.start_cstrncmp_~s2.offset Supporting invariants [] [2020-11-28 03:01:04,026 INFO L297 tatePredicateManager]: 54 out of 56 supporting invariants were superfluous and have been removed [2020-11-28 03:01:04,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-28 03:01:04,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:04,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 39 conjunts are in the unsatisfiable core [2020-11-28 03:01:04,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:01:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:04,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 19 conjunts are in the unsatisfiable core [2020-11-28 03:01:04,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:01:04,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:04,273 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 3 loop predicates [2020-11-28 03:01:04,273 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 45 transitions. cyclomatic complexity: 9 Second operand 7 states. [2020-11-28 03:01:04,411 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 45 transitions. cyclomatic complexity: 9. Second operand 7 states. Result 63 states and 74 transitions. Complement of second has 7 states. [2020-11-28 03:01:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 4 stem states 0 non-accepting loop states 2 accepting loop states [2020-11-28 03:01:04,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-11-28 03:01:04,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 29 transitions. [2020-11-28 03:01:04,413 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 29 transitions. Stem has 22 letters. Loop has 5 letters. [2020-11-28 03:01:04,413 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:01:04,413 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:01:04,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:04,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 43 conjunts are in the unsatisfiable core [2020-11-28 03:01:04,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:01:04,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:04,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 19 conjunts are in the unsatisfiable core [2020-11-28 03:01:04,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:01:04,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:04,678 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 3 loop predicates [2020-11-28 03:01:04,678 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 45 transitions. cyclomatic complexity: 9 Second operand 7 states. [2020-11-28 03:01:04,887 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 45 transitions. cyclomatic complexity: 9. Second operand 7 states. Result 95 states and 110 transitions. Complement of second has 13 states. [2020-11-28 03:01:04,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 4 stem states 3 non-accepting loop states 2 accepting loop states [2020-11-28 03:01:04,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-11-28 03:01:04,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 41 transitions. [2020-11-28 03:01:04,888 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 41 transitions. Stem has 22 letters. Loop has 5 letters. [2020-11-28 03:01:04,888 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:01:04,888 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 41 transitions. Stem has 27 letters. Loop has 5 letters. [2020-11-28 03:01:04,889 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:01:04,889 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 41 transitions. Stem has 22 letters. Loop has 10 letters. [2020-11-28 03:01:04,889 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:01:04,889 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 95 states and 110 transitions. [2020-11-28 03:01:04,891 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-28 03:01:04,892 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 95 states to 70 states and 82 transitions. [2020-11-28 03:01:04,893 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2020-11-28 03:01:04,893 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2020-11-28 03:01:04,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 70 states and 82 transitions. [2020-11-28 03:01:04,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:01:04,893 INFO L691 BuchiCegarLoop]: Abstraction has 70 states and 82 transitions. [2020-11-28 03:01:04,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states and 82 transitions. [2020-11-28 03:01:04,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 49. [2020-11-28 03:01:04,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-11-28 03:01:04,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 57 transitions. [2020-11-28 03:01:04,897 INFO L714 BuchiCegarLoop]: Abstraction has 49 states and 57 transitions. [2020-11-28 03:01:04,897 INFO L594 BuchiCegarLoop]: Abstraction has 49 states and 57 transitions. [2020-11-28 03:01:04,897 INFO L427 BuchiCegarLoop]: ======== Iteration 7============ [2020-11-28 03:01:04,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 57 transitions. [2020-11-28 03:01:04,898 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-28 03:01:04,898 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:01:04,898 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:01:04,899 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:01:04,899 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-28 03:01:04,900 INFO L794 eck$LassoCheckResult]: Stem: 1488#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1480#L-1 havoc main_#res;havoc main_#t~nondet20, main_#t~nondet21, main_#t~malloc22.base, main_#t~malloc22.offset, main_#t~malloc23.base, main_#t~malloc23.offset, main_#t~ret24.base, main_#t~ret24.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet20;havoc main_#t~nondet20;main_~length2~0 := main_#t~nondet21;havoc main_#t~nondet21; 1470#L588 assume !(main_~length1~0 < 1); 1471#L588-2 assume !(main_~length2~0 < 1); 1460#L591-1 call main_#t~malloc22.base, main_#t~malloc22.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc22.base, main_#t~malloc22.offset;call main_#t~malloc23.base, main_#t~malloc23.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc23.base, main_#t~malloc23.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrstr_#in~s.base, cstrstr_#in~s.offset, cstrstr_#in~find.base, cstrstr_#in~find.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrstr_#res.base, cstrstr_#res.offset;havoc cstrstr_#t~post13.base, cstrstr_#t~post13.offset, cstrstr_#t~mem14, cstrstr_#t~ret15, cstrstr_#t~post17.base, cstrstr_#t~post17.offset, cstrstr_#t~mem18, cstrstr_#t~ret16, cstrstr_#t~post19.base, cstrstr_#t~post19.offset, cstrstr_~s.base, cstrstr_~s.offset, cstrstr_~find.base, cstrstr_~find.offset, cstrstr_~c~0, cstrstr_~sc~0, cstrstr_~len~0;cstrstr_~s.base, cstrstr_~s.offset := cstrstr_#in~s.base, cstrstr_#in~s.offset;cstrstr_~find.base, cstrstr_~find.offset := cstrstr_#in~find.base, cstrstr_#in~find.offset;havoc cstrstr_~c~0;havoc cstrstr_~sc~0;havoc cstrstr_~len~0;cstrstr_#t~post13.base, cstrstr_#t~post13.offset := cstrstr_~find.base, cstrstr_~find.offset;cstrstr_~find.base, cstrstr_~find.offset := cstrstr_#t~post13.base, 1 + cstrstr_#t~post13.offset;call cstrstr_#t~mem14 := read~int(cstrstr_#t~post13.base, cstrstr_#t~post13.offset, 1);cstrstr_~c~0 := cstrstr_#t~mem14; 1461#L573 assume 0 != cstrstr_~c~0;havoc cstrstr_#t~post13.base, cstrstr_#t~post13.offset;havoc cstrstr_#t~mem14;cstrlen_#in~str.base, cstrlen_#in~str.offset := cstrstr_~find.base, cstrstr_~find.offset;havoc cstrlen_#res;havoc cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset, cstrlen_#t~mem3, cstrlen_~str.base, cstrlen_~str.offset, cstrlen_~s~0.base, cstrlen_~s~0.offset;cstrlen_~str.base, cstrlen_~str.offset := cstrlen_#in~str.base, cstrlen_#in~str.offset;havoc cstrlen_~s~0.base, cstrlen_~s~0.offset;cstrlen_~s~0.base, cstrlen_~s~0.offset := cstrlen_~str.base, cstrlen_~str.offset; 1462#L551-4 call cstrlen_#t~mem3 := read~int(cstrlen_~s~0.base, cstrlen_~s~0.offset, 1); 1463#L551-1 assume !!(0 != cstrlen_#t~mem3);havoc cstrlen_#t~mem3; 1492#L551-3 cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset := cstrlen_~s~0.base, 1 + cstrlen_~s~0.offset;cstrlen_~s~0.base, cstrlen_~s~0.offset := cstrlen_~s~0.base, 1 + cstrlen_~s~0.offset;havoc cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset; 1464#L551-4 call cstrlen_#t~mem3 := read~int(cstrlen_~s~0.base, cstrlen_~s~0.offset, 1); 1465#L551-1 assume !!(0 != cstrlen_#t~mem3);havoc cstrlen_#t~mem3; 1452#L551-3 cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset := cstrlen_~s~0.base, 1 + cstrlen_~s~0.offset;cstrlen_~s~0.base, cstrlen_~s~0.offset := cstrlen_~s~0.base, 1 + cstrlen_~s~0.offset;havoc cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset; 1453#L551-4 call cstrlen_#t~mem3 := read~int(cstrlen_~s~0.base, cstrlen_~s~0.offset, 1); 1491#L551-1 assume !(0 != cstrlen_#t~mem3);havoc cstrlen_#t~mem3; 1466#L551-5 assume cstrlen_~s~0.base == cstrlen_~str.base;cstrlen_#res := (if cstrlen_~s~0.offset - cstrlen_~str.offset < 0 && 0 != (cstrlen_~s~0.offset - cstrlen_~str.offset) % 1 then 1 + (cstrlen_~s~0.offset - cstrlen_~str.offset) / 1 else (cstrlen_~s~0.offset - cstrlen_~str.offset) / 1); 1467#L553 cstrstr_#t~ret15 := cstrlen_#res;cstrstr_~len~0 := cstrstr_#t~ret15;havoc cstrstr_#t~ret15; 1481#L575-4 goto; 1482#L576-2 cstrstr_#t~post17.base, cstrstr_#t~post17.offset := cstrstr_~s.base, cstrstr_~s.offset;cstrstr_~s.base, cstrstr_~s.offset := cstrstr_#t~post17.base, 1 + cstrstr_#t~post17.offset;call cstrstr_#t~mem18 := read~int(cstrstr_#t~post17.base, cstrstr_#t~post17.offset, 1);cstrstr_~sc~0 := cstrstr_#t~mem18; 1483#L577 assume !(0 == cstrstr_~sc~0);havoc cstrstr_#t~post17.base, cstrstr_#t~post17.offset;havoc cstrstr_#t~mem18; 1500#L576 assume !!(cstrstr_~sc~0 != cstrstr_~c~0); 1479#L576-2 cstrstr_#t~post17.base, cstrstr_#t~post17.offset := cstrstr_~s.base, cstrstr_~s.offset;cstrstr_~s.base, cstrstr_~s.offset := cstrstr_#t~post17.base, 1 + cstrstr_#t~post17.offset;call cstrstr_#t~mem18 := read~int(cstrstr_#t~post17.base, cstrstr_#t~post17.offset, 1);cstrstr_~sc~0 := cstrstr_#t~mem18; 1472#L577 assume !(0 == cstrstr_~sc~0);havoc cstrstr_#t~post17.base, cstrstr_#t~post17.offset;havoc cstrstr_#t~mem18; 1474#L576 assume !(cstrstr_~sc~0 != cstrstr_~c~0); 1477#L575-1 cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset, cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset, cstrncmp_#in~n := cstrstr_~s.base, cstrstr_~s.offset, cstrstr_~find.base, cstrstr_~find.offset, cstrstr_~len~0;havoc cstrncmp_#res;havoc cstrncmp_#t~mem6, cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset, cstrncmp_#t~mem7, cstrncmp_#t~mem9, cstrncmp_#t~pre8.base, cstrncmp_#t~pre8.offset, cstrncmp_#t~mem10, cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset, cstrncmp_#t~mem12, cstrncmp_#t~pre4, cstrncmp_~s1.base, cstrncmp_~s1.offset, cstrncmp_~s2.base, cstrncmp_~s2.offset, cstrncmp_~n;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset;cstrncmp_~n := cstrncmp_#in~n; 1458#L558 assume !(0 == cstrncmp_~n % 4294967296); 1455#L560-4 [2020-11-28 03:01:04,900 INFO L796 eck$LassoCheckResult]: Loop: 1455#L560-4 call cstrncmp_#t~mem6 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#t~post5.base, 1 + cstrncmp_#t~post5.offset;call cstrncmp_#t~mem7 := read~int(cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset, 1); 1468#L561 assume !(cstrncmp_#t~mem6 != cstrncmp_#t~mem7);havoc cstrncmp_#t~mem6;havoc cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset;havoc cstrncmp_#t~mem7;cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset := cstrncmp_~s1.base, cstrncmp_~s1.offset;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#t~post11.base, 1 + cstrncmp_#t~post11.offset;call cstrncmp_#t~mem12 := read~int(cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset, 1); 1484#L563 assume !(0 == cstrncmp_#t~mem12);havoc cstrncmp_#t~mem12;havoc cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset; 1485#L560-1 cstrncmp_#t~pre4 := cstrncmp_~n - 1;cstrncmp_~n := cstrncmp_~n - 1; 1454#L560-2 assume !!(0 != cstrncmp_#t~pre4 % 4294967296);havoc cstrncmp_#t~pre4; 1455#L560-4 [2020-11-28 03:01:04,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:04,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1711753785, now seen corresponding path program 1 times [2020-11-28 03:01:04,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:04,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997437891] [2020-11-28 03:01:04,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:01:04,919 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:01:04,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:01:04,936 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:01:04,942 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:01:04,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:04,943 INFO L82 PathProgramCache]: Analyzing trace with hash 91772235, now seen corresponding path program 3 times [2020-11-28 03:01:04,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:04,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916957452] [2020-11-28 03:01:04,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:04,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:01:04,949 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:01:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:01:04,954 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:01:04,956 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:01:04,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:04,956 INFO L82 PathProgramCache]: Analyzing trace with hash -234967533, now seen corresponding path program 1 times [2020-11-28 03:01:04,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:04,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194221541] [2020-11-28 03:01:04,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:01:04,985 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:01:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:01:05,013 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:01:05,023 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:01:05,189 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2020-11-28 03:01:06,446 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 255 DAG size of output: 206 [2020-11-28 03:01:06,803 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-11-28 03:01:06,806 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:01:06,806 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:01:06,806 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:01:06,806 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:01:06,806 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:01:06,806 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:06,806 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:01:06,806 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:01:06,806 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrstr-alloca-1.i_Iteration7_Lasso [2020-11-28 03:01:06,806 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:01:06,806 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:01:06,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:06,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:06,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:06,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:06,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:06,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:06,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:06,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,008 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 141 [2020-11-28 03:01:08,368 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 90 [2020-11-28 03:01:08,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,878 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2020-11-28 03:01:09,055 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2020-11-28 03:01:09,504 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-28 03:01:10,057 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2020-11-28 03:01:10,164 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:01:10,164 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 82 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 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:10,167 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 [2020-11-28 03:01:10,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:10,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:10,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:10,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:10,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:10,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:10,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:10,170 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 83 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 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:10,197 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 [2020-11-28 03:01:10,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:10,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:10,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:10,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:10,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:10,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:10,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:10,200 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 84 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 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:10,225 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 [2020-11-28 03:01:10,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:10,226 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:10,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:10,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:10,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:10,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:10,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:10,227 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 85 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 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:10,249 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 [2020-11-28 03:01:10,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:10,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:10,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:10,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:10,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:10,251 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:10,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:10,252 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 86 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 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:10,274 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 [2020-11-28 03:01:10,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:10,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:10,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:10,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:10,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:10,276 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:10,276 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:10,277 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 87 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 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:10,298 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 [2020-11-28 03:01:10,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:10,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:10,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:10,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:10,301 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:01:10,301 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:01:10,303 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 88 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 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:10,325 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 [2020-11-28 03:01:10,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:10,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:10,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:10,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:10,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:10,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:10,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:10,328 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 89 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 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:10,349 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 [2020-11-28 03:01:10,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:10,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:10,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:10,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:10,354 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:01:10,354 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:01:10,358 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 90 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 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:10,380 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 [2020-11-28 03:01:10,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:10,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:10,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:10,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:10,431 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:01:10,431 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:01:10,477 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:01:10,594 INFO L443 ModelExtractionUtils]: Simplification made 31 calls to the SMT solver. [2020-11-28 03:01:10,594 INFO L444 ModelExtractionUtils]: 53 out of 85 variables were initially zero. Simplification set additionally 27 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 91 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 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:10,596 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:01:10,598 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-11-28 03:01:10,599 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:01:10,599 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString1~0.base)_2, ULTIMATE.start_cstrncmp_~s2.offset) = 3*v_rep(select #length ULTIMATE.start_main_~nondetString1~0.base)_2 - 2*ULTIMATE.start_cstrncmp_~s2.offset Supporting invariants [3*ULTIMATE.start_cstrncmp_~s1.offset - 2*ULTIMATE.start_cstrncmp_~s2.offset >= 0] [2020-11-28 03:01:10,969 INFO L297 tatePredicateManager]: 61 out of 64 supporting invariants were superfluous and have been removed [2020-11-28 03:01:10,975 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-28 03:01:11,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:11,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 33 conjunts are in the unsatisfiable core [2020-11-28 03:01:11,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:01:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:11,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 18 conjunts are in the unsatisfiable core [2020-11-28 03:01:11,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:01:11,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:11,202 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 3 loop predicates [2020-11-28 03:01:11,202 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 57 transitions. cyclomatic complexity: 12 Second operand 8 states. [2020-11-28 03:01:11,357 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 57 transitions. cyclomatic complexity: 12. Second operand 8 states. Result 64 states and 76 transitions. Complement of second has 8 states. [2020-11-28 03:01:11,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 5 stem states 0 non-accepting loop states 2 accepting loop states [2020-11-28 03:01:11,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-11-28 03:01:11,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 29 transitions. [2020-11-28 03:01:11,358 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 25 letters. Loop has 5 letters. [2020-11-28 03:01:11,358 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:01:11,358 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:01:11,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:11,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 33 conjunts are in the unsatisfiable core [2020-11-28 03:01:11,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:01:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:11,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 18 conjunts are in the unsatisfiable core [2020-11-28 03:01:11,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:01:11,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:11,607 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.5 stem predicates 3 loop predicates [2020-11-28 03:01:11,607 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 57 transitions. cyclomatic complexity: 12 Second operand 8 states. [2020-11-28 03:01:11,793 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 57 transitions. cyclomatic complexity: 12. Second operand 8 states. Result 96 states and 112 transitions. Complement of second has 14 states. [2020-11-28 03:01:11,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 5 stem states 3 non-accepting loop states 2 accepting loop states [2020-11-28 03:01:11,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-11-28 03:01:11,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 41 transitions. [2020-11-28 03:01:11,797 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 41 transitions. Stem has 25 letters. Loop has 5 letters. [2020-11-28 03:01:11,797 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:01:11,797 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 41 transitions. Stem has 30 letters. Loop has 5 letters. [2020-11-28 03:01:11,797 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:01:11,798 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 41 transitions. Stem has 25 letters. Loop has 10 letters. [2020-11-28 03:01:11,798 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:01:11,798 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 96 states and 112 transitions. [2020-11-28 03:01:11,799 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-28 03:01:11,800 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 96 states to 71 states and 84 transitions. [2020-11-28 03:01:11,800 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2020-11-28 03:01:11,800 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2020-11-28 03:01:11,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 84 transitions. [2020-11-28 03:01:11,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:01:11,800 INFO L691 BuchiCegarLoop]: Abstraction has 71 states and 84 transitions. [2020-11-28 03:01:11,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 84 transitions. [2020-11-28 03:01:11,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 50. [2020-11-28 03:01:11,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-11-28 03:01:11,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 58 transitions. [2020-11-28 03:01:11,804 INFO L714 BuchiCegarLoop]: Abstraction has 50 states and 58 transitions. [2020-11-28 03:01:11,804 INFO L594 BuchiCegarLoop]: Abstraction has 50 states and 58 transitions. [2020-11-28 03:01:11,804 INFO L427 BuchiCegarLoop]: ======== Iteration 8============ [2020-11-28 03:01:11,804 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 58 transitions. [2020-11-28 03:01:11,804 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-28 03:01:11,805 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:01:11,805 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:01:11,806 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:01:11,806 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-28 03:01:11,806 INFO L794 eck$LassoCheckResult]: Stem: 2207#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2199#L-1 havoc main_#res;havoc main_#t~nondet20, main_#t~nondet21, main_#t~malloc22.base, main_#t~malloc22.offset, main_#t~malloc23.base, main_#t~malloc23.offset, main_#t~ret24.base, main_#t~ret24.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet20;havoc main_#t~nondet20;main_~length2~0 := main_#t~nondet21;havoc main_#t~nondet21; 2187#L588 assume !(main_~length1~0 < 1); 2188#L588-2 assume !(main_~length2~0 < 1); 2174#L591-1 call main_#t~malloc22.base, main_#t~malloc22.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc22.base, main_#t~malloc22.offset;call main_#t~malloc23.base, main_#t~malloc23.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc23.base, main_#t~malloc23.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrstr_#in~s.base, cstrstr_#in~s.offset, cstrstr_#in~find.base, cstrstr_#in~find.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrstr_#res.base, cstrstr_#res.offset;havoc cstrstr_#t~post13.base, cstrstr_#t~post13.offset, cstrstr_#t~mem14, cstrstr_#t~ret15, cstrstr_#t~post17.base, cstrstr_#t~post17.offset, cstrstr_#t~mem18, cstrstr_#t~ret16, cstrstr_#t~post19.base, cstrstr_#t~post19.offset, cstrstr_~s.base, cstrstr_~s.offset, cstrstr_~find.base, cstrstr_~find.offset, cstrstr_~c~0, cstrstr_~sc~0, cstrstr_~len~0;cstrstr_~s.base, cstrstr_~s.offset := cstrstr_#in~s.base, cstrstr_#in~s.offset;cstrstr_~find.base, cstrstr_~find.offset := cstrstr_#in~find.base, cstrstr_#in~find.offset;havoc cstrstr_~c~0;havoc cstrstr_~sc~0;havoc cstrstr_~len~0;cstrstr_#t~post13.base, cstrstr_#t~post13.offset := cstrstr_~find.base, cstrstr_~find.offset;cstrstr_~find.base, cstrstr_~find.offset := cstrstr_#t~post13.base, 1 + cstrstr_#t~post13.offset;call cstrstr_#t~mem14 := read~int(cstrstr_#t~post13.base, cstrstr_#t~post13.offset, 1);cstrstr_~c~0 := cstrstr_#t~mem14; 2175#L573 assume 0 != cstrstr_~c~0;havoc cstrstr_#t~post13.base, cstrstr_#t~post13.offset;havoc cstrstr_#t~mem14;cstrlen_#in~str.base, cstrlen_#in~str.offset := cstrstr_~find.base, cstrstr_~find.offset;havoc cstrlen_#res;havoc cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset, cstrlen_#t~mem3, cstrlen_~str.base, cstrlen_~str.offset, cstrlen_~s~0.base, cstrlen_~s~0.offset;cstrlen_~str.base, cstrlen_~str.offset := cstrlen_#in~str.base, cstrlen_#in~str.offset;havoc cstrlen_~s~0.base, cstrlen_~s~0.offset;cstrlen_~s~0.base, cstrlen_~s~0.offset := cstrlen_~str.base, cstrlen_~str.offset; 2182#L551-4 call cstrlen_#t~mem3 := read~int(cstrlen_~s~0.base, cstrlen_~s~0.offset, 1); 2183#L551-1 assume !!(0 != cstrlen_#t~mem3);havoc cstrlen_#t~mem3; 2172#L551-3 cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset := cstrlen_~s~0.base, 1 + cstrlen_~s~0.offset;cstrlen_~s~0.base, cstrlen_~s~0.offset := cstrlen_~s~0.base, 1 + cstrlen_~s~0.offset;havoc cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset; 2173#L551-4 call cstrlen_#t~mem3 := read~int(cstrlen_~s~0.base, cstrlen_~s~0.offset, 1); 2184#L551-1 assume !!(0 != cstrlen_#t~mem3);havoc cstrlen_#t~mem3; 2216#L551-3 cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset := cstrlen_~s~0.base, 1 + cstrlen_~s~0.offset;cstrlen_~s~0.base, cstrlen_~s~0.offset := cstrlen_~s~0.base, 1 + cstrlen_~s~0.offset;havoc cstrlen_#t~pre2.base, cstrlen_#t~pre2.offset; 2213#L551-4 call cstrlen_#t~mem3 := read~int(cstrlen_~s~0.base, cstrlen_~s~0.offset, 1); 2210#L551-1 assume !(0 != cstrlen_#t~mem3);havoc cstrlen_#t~mem3; 2185#L551-5 assume cstrlen_~s~0.base == cstrlen_~str.base;cstrlen_#res := (if cstrlen_~s~0.offset - cstrlen_~str.offset < 0 && 0 != (cstrlen_~s~0.offset - cstrlen_~str.offset) % 1 then 1 + (cstrlen_~s~0.offset - cstrlen_~str.offset) / 1 else (cstrlen_~s~0.offset - cstrlen_~str.offset) / 1); 2186#L553 cstrstr_#t~ret15 := cstrlen_#res;cstrstr_~len~0 := cstrstr_#t~ret15;havoc cstrstr_#t~ret15; 2200#L575-4 goto; 2201#L576-2 cstrstr_#t~post17.base, cstrstr_#t~post17.offset := cstrstr_~s.base, cstrstr_~s.offset;cstrstr_~s.base, cstrstr_~s.offset := cstrstr_#t~post17.base, 1 + cstrstr_#t~post17.offset;call cstrstr_#t~mem18 := read~int(cstrstr_#t~post17.base, cstrstr_#t~post17.offset, 1);cstrstr_~sc~0 := cstrstr_#t~mem18; 2191#L577 assume !(0 == cstrstr_~sc~0);havoc cstrstr_#t~post17.base, cstrstr_#t~post17.offset;havoc cstrstr_#t~mem18; 2192#L576 assume !(cstrstr_~sc~0 != cstrstr_~c~0); 2197#L575-1 cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset, cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset, cstrncmp_#in~n := cstrstr_~s.base, cstrstr_~s.offset, cstrstr_~find.base, cstrstr_~find.offset, cstrstr_~len~0;havoc cstrncmp_#res;havoc cstrncmp_#t~mem6, cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset, cstrncmp_#t~mem7, cstrncmp_#t~mem9, cstrncmp_#t~pre8.base, cstrncmp_#t~pre8.offset, cstrncmp_#t~mem10, cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset, cstrncmp_#t~mem12, cstrncmp_#t~pre4, cstrncmp_~s1.base, cstrncmp_~s1.offset, cstrncmp_~s2.base, cstrncmp_~s2.offset, cstrncmp_~n;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset;cstrncmp_~n := cstrncmp_#in~n; 2202#L558 assume !(0 == cstrncmp_~n % 4294967296); 2219#L560-4 call cstrncmp_#t~mem6 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#t~post5.base, 1 + cstrncmp_#t~post5.offset;call cstrncmp_#t~mem7 := read~int(cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset, 1); 2218#L561 assume cstrncmp_#t~mem6 != cstrncmp_#t~mem7;havoc cstrncmp_#t~mem6;havoc cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset;havoc cstrncmp_#t~mem7;call cstrncmp_#t~mem9 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);cstrncmp_#t~pre8.base, cstrncmp_#t~pre8.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset - 1;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset - 1;call cstrncmp_#t~mem10 := read~int(cstrncmp_#t~pre8.base, cstrncmp_#t~pre8.offset, 1);cstrncmp_#res := cstrncmp_#t~mem9 % 256 - cstrncmp_#t~mem10 % 256;havoc cstrncmp_#t~pre8.base, cstrncmp_#t~pre8.offset;havoc cstrncmp_#t~mem9;havoc cstrncmp_#t~mem10; 2193#L566 cstrstr_#t~ret16 := cstrncmp_#res; 2194#L575-2 assume !!(0 != cstrstr_#t~ret16);havoc cstrstr_#t~ret16; 2208#L575-4 goto; 2211#L576-2 cstrstr_#t~post17.base, cstrstr_#t~post17.offset := cstrstr_~s.base, cstrstr_~s.offset;cstrstr_~s.base, cstrstr_~s.offset := cstrstr_#t~post17.base, 1 + cstrstr_#t~post17.offset;call cstrstr_#t~mem18 := read~int(cstrstr_#t~post17.base, cstrstr_#t~post17.offset, 1);cstrstr_~sc~0 := cstrstr_#t~mem18; 2214#L577 assume !(0 == cstrstr_~sc~0);havoc cstrstr_#t~post17.base, cstrstr_#t~post17.offset;havoc cstrstr_#t~mem18; 2195#L576 assume !(cstrstr_~sc~0 != cstrstr_~c~0); 2196#L575-1 cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset, cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset, cstrncmp_#in~n := cstrstr_~s.base, cstrstr_~s.offset, cstrstr_~find.base, cstrstr_~find.offset, cstrstr_~len~0;havoc cstrncmp_#res;havoc cstrncmp_#t~mem6, cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset, cstrncmp_#t~mem7, cstrncmp_#t~mem9, cstrncmp_#t~pre8.base, cstrncmp_#t~pre8.offset, cstrncmp_#t~mem10, cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset, cstrncmp_#t~mem12, cstrncmp_#t~pre4, cstrncmp_~s1.base, cstrncmp_~s1.offset, cstrncmp_~s2.base, cstrncmp_~s2.offset, cstrncmp_~n;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset;cstrncmp_~n := cstrncmp_#in~n; 2176#L558 assume !(0 == cstrncmp_~n % 4294967296); 2177#L560-4 [2020-11-28 03:01:11,807 INFO L796 eck$LassoCheckResult]: Loop: 2177#L560-4 call cstrncmp_#t~mem6 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#t~post5.base, 1 + cstrncmp_#t~post5.offset;call cstrncmp_#t~mem7 := read~int(cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset, 1); 2189#L561 assume !(cstrncmp_#t~mem6 != cstrncmp_#t~mem7);havoc cstrncmp_#t~mem6;havoc cstrncmp_#t~post5.base, cstrncmp_#t~post5.offset;havoc cstrncmp_#t~mem7;cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset := cstrncmp_~s1.base, cstrncmp_~s1.offset;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#t~post11.base, 1 + cstrncmp_#t~post11.offset;call cstrncmp_#t~mem12 := read~int(cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset, 1); 2203#L563 assume !(0 == cstrncmp_#t~mem12);havoc cstrncmp_#t~mem12;havoc cstrncmp_#t~post11.base, cstrncmp_#t~post11.offset; 2204#L560-1 cstrncmp_#t~pre4 := cstrncmp_~n - 1;cstrncmp_~n := cstrncmp_~n - 1; 2180#L560-2 assume !!(0 != cstrncmp_#t~pre4 % 4294967296);havoc cstrncmp_#t~pre4; 2177#L560-4 [2020-11-28 03:01:11,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:11,807 INFO L82 PathProgramCache]: Analyzing trace with hash -2051218895, now seen corresponding path program 1 times [2020-11-28 03:01:11,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:11,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858289351] [2020-11-28 03:01:11,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:01:11,837 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:01:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:01:11,867 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:01:11,874 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:01:11,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:11,875 INFO L82 PathProgramCache]: Analyzing trace with hash 91772235, now seen corresponding path program 4 times [2020-11-28 03:01:11,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:11,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878632080] [2020-11-28 03:01:11,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:01:11,880 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:01:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:01:11,884 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:01:11,885 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:01:11,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:11,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1369353957, now seen corresponding path program 1 times [2020-11-28 03:01:11,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:11,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945696749] [2020-11-28 03:01:11,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:01:11,920 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:01:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:01:11,953 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:01:11,960 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:01:12,112 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2020-11-28 03:01:14,337 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 329 DAG size of output: 256 [2020-11-28 03:01:14,722 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-11-28 03:01:14,725 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:01:14,725 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:01:14,725 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:01:14,725 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:01:14,725 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:01:14,725 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:14,725 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:01:14,725 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:01:14,725 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrstr-alloca-1.i_Iteration8_Lasso [2020-11-28 03:01:14,725 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:01:14,725 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:01:14,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:14,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:14,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:14,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:14,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:14,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:14,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:14,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:14,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:14,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:14,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:14,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:14,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:14,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:14,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:14,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:14,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:14,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:14,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:14,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:14,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:16,074 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 142 [2020-11-28 03:01:16,450 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 91 [2020-11-28 03:01:16,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:16,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:16,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:16,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:16,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:16,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:16,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:16,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:16,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:16,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:16,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:16,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:16,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:16,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:16,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:16,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:16,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:16,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:17,206 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-11-28 03:01:17,468 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-11-28 03:01:18,250 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-11-28 03:01:18,467 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-11-28 03:01:18,600 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:01:18,600 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 92 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 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:18,603 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 [2020-11-28 03:01:18,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:18,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:18,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:18,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:18,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:18,604 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:18,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:18,605 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 93 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 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:18,628 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 [2020-11-28 03:01:18,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:18,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:18,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:18,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:18,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:18,630 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:18,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:18,631 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 94 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 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:18,652 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 [2020-11-28 03:01:18,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:18,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:18,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:18,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:18,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:18,653 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:18,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:18,654 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 95 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 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:18,675 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 [2020-11-28 03:01:18,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:18,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:18,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:18,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:18,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:18,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:18,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:18,678 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 96 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 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:18,699 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 [2020-11-28 03:01:18,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:18,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:18,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:18,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:18,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:18,701 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:18,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:18,702 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 97 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 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:18,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:01:18,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:18,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:18,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:18,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:18,727 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:01:18,727 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:01:18,730 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 98 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 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:18,751 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 [2020-11-28 03:01:18,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:18,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:18,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:18,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:18,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:18,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:18,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:18,754 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 99 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 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:18,775 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 [2020-11-28 03:01:18,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:18,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:18,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:18,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:18,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:18,777 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:18,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:18,778 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 100 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 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:18,800 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:01:18,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:18,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:18,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:18,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:18,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:18,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:18,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:18,805 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 101 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 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:18,826 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 [2020-11-28 03:01:18,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:18,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:18,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:18,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:18,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:18,828 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:18,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:18,829 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 102 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 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:18,850 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 [2020-11-28 03:01:18,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:18,851 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:18,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:18,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:18,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:18,852 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:18,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:18,853 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 103 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 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:18,874 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 [2020-11-28 03:01:18,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:18,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:18,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:18,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:18,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:18,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:18,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:18,877 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 104 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 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:18,897 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 [2020-11-28 03:01:18,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:18,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:18,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:18,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:18,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:18,899 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:18,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:18,900 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 105 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 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:18,921 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 [2020-11-28 03:01:18,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:18,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:18,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:18,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:18,924 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:01:18,924 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:01:18,932 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 106 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 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:18,953 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 [2020-11-28 03:01:18,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:18,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:18,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:18,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:18,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:18,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:18,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:18,956 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 107 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 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:18,977 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 [2020-11-28 03:01:18,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:18,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:18,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:18,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:18,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:18,978 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:18,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:18,980 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 108 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 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:19,000 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 [2020-11-28 03:01:19,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:19,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:19,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:19,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:19,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:19,002 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:19,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:19,003 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 109 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 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:19,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:01:19,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:19,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:19,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:19,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:19,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:19,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:19,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:19,027 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 110 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 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:19,048 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 [2020-11-28 03:01:19,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:19,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:19,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:19,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:19,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:19,049 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:19,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:19,050 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 111 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 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:19,071 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 [2020-11-28 03:01:19,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:19,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:19,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:19,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:19,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:19,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:19,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:19,074 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 112 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 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:19,095 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 [2020-11-28 03:01:19,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:19,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:19,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:19,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:19,121 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:01:19,122 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:01:19,135 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 113 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 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:19,157 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 [2020-11-28 03:01:19,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:19,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:19,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:19,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:19,161 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:01:19,161 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:01:19,176 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:01:19,213 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 [2020-11-28 03:01:19,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:19,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:19,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:19,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:19,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:01:19,217 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:19,220 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 115 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 115 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:19,249 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 [2020-11-28 03:01:19,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:19,253 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2020-11-28 03:01:19,253 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 03:01:19,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:19,291 INFO L401 nArgumentSynthesizer]: We have 28 Motzkin's Theorem applications. [2020-11-28 03:01:19,291 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-28 03:01:19,345 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:01:19,388 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 [2020-11-28 03:01:19,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:19,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:19,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:19,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:19,392 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:01:19,392 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:19,396 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 117 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:01:19,430 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 [2020-11-28 03:01:19,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:19,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:19,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:19,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:19,436 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:01:19,436 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 117 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:19,442 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 118 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:01:19,477 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 [2020-11-28 03:01:19,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:19,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:19,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:19,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:19,481 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:01:19,481 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 118 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:19,485 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 119 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:01:19,522 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 [2020-11-28 03:01:19,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:19,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:19,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:19,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 119 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:19,554 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:01:19,554 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:01:19,603 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:01:19,669 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2020-11-28 03:01:19,669 INFO L444 ModelExtractionUtils]: 23 out of 88 variables were initially zero. Simplification set additionally 62 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad760b0e-4bec-4617-a34e-f0ddd5ea0890/bin/uautomizer/z3 Starting monitored process 120 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:01:19,673 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 120 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:19,675 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-28 03:01:19,676 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:01:19,676 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc23.base)_5, ULTIMATE.start_cstrncmp_~s2.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc23.base)_5 - 1*ULTIMATE.start_cstrncmp_~s2.offset Supporting invariants [] [2020-11-28 03:01:20,219 INFO L297 tatePredicateManager]: 82 out of 84 supporting invariants were superfluous and have been removed [2020-11-28 03:01:20,223 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-28 03:01:20,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:20,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:20,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 24 conjunts are in the unsatisfiable core [2020-11-28 03:01:20,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:01:20,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:20,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-28 03:01:20,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:01:20,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:20,397 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2020-11-28 03:01:20,397 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 50 states and 58 transitions. cyclomatic complexity: 13 Second operand 6 states. [2020-11-28 03:01:20,499 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 50 states and 58 transitions. cyclomatic complexity: 13. Second operand 6 states. Result 55 states and 64 transitions. Complement of second has 8 states. [2020-11-28 03:01:20,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 4 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:01:20,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-11-28 03:01:20,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 27 transitions. [2020-11-28 03:01:20,501 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 27 transitions. Stem has 32 letters. Loop has 5 letters. [2020-11-28 03:01:20,501 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:01:20,501 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:01:20,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:20,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 24 conjunts are in the unsatisfiable core [2020-11-28 03:01:20,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:01:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:20,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-28 03:01:20,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:01:20,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:20,688 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 2 loop predicates [2020-11-28 03:01:20,688 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 50 states and 58 transitions. cyclomatic complexity: 13 Second operand 6 states. [2020-11-28 03:01:20,809 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 50 states and 58 transitions. cyclomatic complexity: 13. Second operand 6 states. Result 73 states and 84 transitions. Complement of second has 10 states. [2020-11-28 03:01:20,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 4 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-28 03:01:20,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-11-28 03:01:20,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 34 transitions. [2020-11-28 03:01:20,810 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 34 transitions. Stem has 32 letters. Loop has 5 letters. [2020-11-28 03:01:20,810 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:01:20,810 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:01:20,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:20,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:20,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 24 conjunts are in the unsatisfiable core [2020-11-28 03:01:20,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:01:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:20,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-28 03:01:20,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:01:20,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:20,984 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2020-11-28 03:01:20,985 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 50 states and 58 transitions. cyclomatic complexity: 13 Second operand 6 states. [2020-11-28 03:01:21,146 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 50 states and 58 transitions. cyclomatic complexity: 13. Second operand 6 states. Result 65 states and 74 transitions. Complement of second has 7 states. [2020-11-28 03:01:21,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 4 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:01:21,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-11-28 03:01:21,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 42 transitions. [2020-11-28 03:01:21,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 42 transitions. Stem has 32 letters. Loop has 5 letters. [2020-11-28 03:01:21,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:01:21,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 42 transitions. Stem has 37 letters. Loop has 5 letters. [2020-11-28 03:01:21,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:01:21,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 42 transitions. Stem has 32 letters. Loop has 10 letters. [2020-11-28 03:01:21,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:01:21,149 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 74 transitions. [2020-11-28 03:01:21,150 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:01:21,150 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 0 states and 0 transitions. [2020-11-28 03:01:21,150 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:01:21,150 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:01:21,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:01:21,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:01:21,150 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:01:21,150 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:01:21,150 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:01:21,150 INFO L427 BuchiCegarLoop]: ======== Iteration 9============ [2020-11-28 03:01:21,150 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:01:21,150 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:01:21,150 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:01:21,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:01:21 BoogieIcfgContainer [2020-11-28 03:01:21,156 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:01:21,156 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:01:21,156 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:01:21,157 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:01:21,157 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:48" (3/4) ... [2020-11-28 03:01:21,160 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:01:21,160 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:01:21,161 INFO L168 Benchmark]: Toolchain (without parser) took 34316.16 ms. Allocated memory was 117.4 MB in the beginning and 408.9 MB in the end (delta: 291.5 MB). Free memory was 86.5 MB in the beginning and 370.1 MB in the end (delta: -283.6 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:21,161 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 81.8 MB. Free memory was 39.9 MB in the beginning and 39.8 MB in the end (delta: 32.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:01:21,162 INFO L168 Benchmark]: CACSL2BoogieTranslator took 489.68 ms. Allocated memory is still 117.4 MB. Free memory was 86.5 MB in the beginning and 84.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:21,162 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.28 ms. Allocated memory is still 117.4 MB. Free memory was 84.1 MB in the beginning and 82.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:21,162 INFO L168 Benchmark]: Boogie Preprocessor took 68.20 ms. Allocated memory is still 117.4 MB. Free memory was 82.0 MB in the beginning and 79.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:21,163 INFO L168 Benchmark]: RCFGBuilder took 585.40 ms. Allocated memory is still 117.4 MB. Free memory was 79.9 MB in the beginning and 58.3 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:21,163 INFO L168 Benchmark]: BuchiAutomizer took 33089.72 ms. Allocated memory was 117.4 MB in the beginning and 408.9 MB in the end (delta: 291.5 MB). Free memory was 58.3 MB in the beginning and 370.1 MB in the end (delta: -311.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:01:21,163 INFO L168 Benchmark]: Witness Printer took 3.89 ms. Allocated memory is still 408.9 MB. Free memory is still 370.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:01:21,165 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 81.8 MB. Free memory was 39.9 MB in the beginning and 39.8 MB in the end (delta: 32.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 489.68 ms. Allocated memory is still 117.4 MB. Free memory was 86.5 MB in the beginning and 84.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.28 ms. Allocated memory is still 117.4 MB. Free memory was 84.1 MB in the beginning and 82.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 68.20 ms. Allocated memory is still 117.4 MB. Free memory was 82.0 MB in the beginning and 79.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 585.40 ms. Allocated memory is still 117.4 MB. Free memory was 79.9 MB in the beginning and 58.3 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 33089.72 ms. Allocated memory was 117.4 MB in the beginning and 408.9 MB in the end (delta: 291.5 MB). Free memory was 58.3 MB in the beginning and 370.1 MB in the end (delta: -311.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 3.89 ms. Allocated memory is still 408.9 MB. Free memory is still 370.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 8 terminating modules (3 trivial, 4 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * s and consists of 5 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] + -1 * s2 and consists of 9 locations. One deterministic module has affine ranking function 3 * unknown-#length-unknown[nondetString1] + -2 * s2 and consists of 10 locations. One nondeterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * s2 and consists of 6 locations. 3 modules have a trivial ranking function, the largest among these consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 33.0s and 9 iterations. TraceHistogramMax:3. Analysis of lassos took 29.4s. Construction of modules took 0.5s. Büchi inclusion checks took 2.9s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 7. Automata minimization 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 46 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 50 states and ocurred in iteration 7. Nontrivial modules had stage [2, 2, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 317 SDtfs, 425 SDslu, 592 SDs, 0 SdLazy, 311 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital310 mio100 ax106 hnf98 lsp91 ukn88 mio100 lsp45 div114 bol100 ite100 ukn100 eq192 hnf82 smp93 dnf133 smp84 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 97ms VariablesStem: 12 VariablesLoop: 4 DisjunctsStem: 4 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 28 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...