./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/twisted-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/twisted-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G --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 e028c51cfa02b345902e1292d1a644c7ee4a15183825ee6e2ec2fc316df147e6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 14:07:18,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 14:07:18,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 14:07:18,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 14:07:18,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 14:07:18,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 14:07:18,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 14:07:18,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 14:07:18,329 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 14:07:18,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 14:07:18,338 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 14:07:18,340 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 14:07:18,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 14:07:18,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 14:07:18,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 14:07:18,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 14:07:18,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 14:07:18,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 14:07:18,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 14:07:18,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 14:07:18,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 14:07:18,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 14:07:18,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 14:07:18,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 14:07:18,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 14:07:18,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 14:07:18,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 14:07:18,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 14:07:18,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 14:07:18,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 14:07:18,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 14:07:18,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 14:07:18,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 14:07:18,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 14:07:18,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 14:07:18,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 14:07:18,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 14:07:18,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 14:07:18,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 14:07:18,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 14:07:18,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 14:07:18,403 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-23 14:07:18,444 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 14:07:18,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 14:07:18,445 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 14:07:18,446 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 14:07:18,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 14:07:18,448 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 14:07:18,448 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 14:07:18,448 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-23 14:07:18,449 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-23 14:07:18,449 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-23 14:07:18,450 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-23 14:07:18,450 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-23 14:07:18,451 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-23 14:07:18,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 14:07:18,451 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 14:07:18,451 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 14:07:18,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 14:07:18,452 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-23 14:07:18,452 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-23 14:07:18,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-23 14:07:18,453 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 14:07:18,453 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-23 14:07:18,453 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 14:07:18,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-23 14:07:18,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 14:07:18,454 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 14:07:18,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 14:07:18,456 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 14:07:18,456 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 14:07:18,457 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-23 14:07:18,458 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_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e028c51cfa02b345902e1292d1a644c7ee4a15183825ee6e2ec2fc316df147e6 [2021-11-23 14:07:18,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 14:07:18,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 14:07:18,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 14:07:18,856 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 14:07:18,857 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 14:07:18,858 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/termination-memory-alloca/twisted-alloca.i [2021-11-23 14:07:18,930 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/data/5090aee1c/6ae55f299eda4d2e9259bbe6a71a81c6/FLAG6a70216b2 [2021-11-23 14:07:19,519 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 14:07:19,522 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/sv-benchmarks/c/termination-memory-alloca/twisted-alloca.i [2021-11-23 14:07:19,541 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/data/5090aee1c/6ae55f299eda4d2e9259bbe6a71a81c6/FLAG6a70216b2 [2021-11-23 14:07:19,787 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/data/5090aee1c/6ae55f299eda4d2e9259bbe6a71a81c6 [2021-11-23 14:07:19,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 14:07:19,791 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 14:07:19,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 14:07:19,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 14:07:19,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 14:07:19,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:07:19" (1/1) ... [2021-11-23 14:07:19,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a64ecbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:19, skipping insertion in model container [2021-11-23 14:07:19,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:07:19" (1/1) ... [2021-11-23 14:07:19,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 14:07:19,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 14:07:20,211 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:07:20,223 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 14:07:20,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:07:20,299 INFO L208 MainTranslator]: Completed translation [2021-11-23 14:07:20,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:20 WrapperNode [2021-11-23 14:07:20,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 14:07:20,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 14:07:20,301 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 14:07:20,301 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 14:07:20,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:20" (1/1) ... [2021-11-23 14:07:20,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:20" (1/1) ... [2021-11-23 14:07:20,371 INFO L137 Inliner]: procedures = 111, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88 [2021-11-23 14:07:20,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 14:07:20,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 14:07:20,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 14:07:20,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 14:07:20,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:20" (1/1) ... [2021-11-23 14:07:20,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:20" (1/1) ... [2021-11-23 14:07:20,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:20" (1/1) ... [2021-11-23 14:07:20,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:20" (1/1) ... [2021-11-23 14:07:20,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:20" (1/1) ... [2021-11-23 14:07:20,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:20" (1/1) ... [2021-11-23 14:07:20,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:20" (1/1) ... [2021-11-23 14:07:20,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 14:07:20,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 14:07:20,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 14:07:20,422 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 14:07:20,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:20" (1/1) ... [2021-11-23 14:07:20,440 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:20,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:20,465 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:20,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-23 14:07:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 14:07:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 14:07:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 14:07:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 14:07:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 14:07:20,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 14:07:20,588 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 14:07:20,589 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 14:07:20,750 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 14:07:20,755 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 14:07:20,756 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 14:07:20,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:07:20 BoogieIcfgContainer [2021-11-23 14:07:20,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 14:07:20,759 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-23 14:07:20,759 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-23 14:07:20,763 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-23 14:07:20,778 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:07:20,779 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:07:19" (1/3) ... [2021-11-23 14:07:20,780 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@100f532a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:07:20, skipping insertion in model container [2021-11-23 14:07:20,780 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:07:20,780 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:20" (2/3) ... [2021-11-23 14:07:20,781 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@100f532a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:07:20, skipping insertion in model container [2021-11-23 14:07:20,781 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:07:20,781 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:07:20" (3/3) ... [2021-11-23 14:07:20,782 INFO L388 chiAutomizerObserver]: Analyzing ICFG twisted-alloca.i [2021-11-23 14:07:20,865 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-23 14:07:20,866 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-23 14:07:20,866 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-23 14:07:20,866 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-23 14:07:20,866 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-23 14:07:20,866 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-23 14:07:20,867 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-23 14:07:20,867 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-23 14:07:20,887 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:20,910 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-23 14:07:20,910 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:07:20,910 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:07:20,916 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-23 14:07:20,916 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-23 14:07:20,917 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-23 14:07:20,917 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:20,920 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-23 14:07:20,920 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:07:20,920 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:07:20,921 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-23 14:07:20,921 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-23 14:07:20,928 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1;assume { :begin_inline_f } true;f_#in~k#1, f_#in~l#1 := main_#t~nondet17#1, main_#t~nondet18#1;havoc f_#res#1;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~malloc5#1.base, f_#t~malloc5#1.offset, f_#t~mem8#1, f_#t~post9#1, f_#t~mem10#1, f_#t~mem6#1, f_#t~mem7#1, f_#t~mem12#1, f_#t~post13#1, f_#t~mem14#1, f_#t~mem11#1, f_#t~mem15#1, f_#t~mem16#1, f_~k#1, f_~l#1, f_~k_ref~0#1.base, f_~k_ref~0#1.offset, f_~l_ref~0#1.base, f_~l_ref~0#1.offset, f_~i~0#1.base, f_~i~0#1.offset, f_~j~0#1.base, f_~j~0#1.offset;f_~k#1 := f_#in~k#1;f_~l#1 := f_#in~l#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~k_ref~0#1.base, f_~k_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~l_ref~0#1.base, f_~l_ref~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~i~0#1.base, f_~i~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call f_#t~malloc5#1.base, f_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);f_~j~0#1.base, f_~j~0#1.offset := f_#t~malloc5#1.base, f_#t~malloc5#1.offset;call write~int(f_~k#1, f_~k_ref~0#1.base, f_~k_ref~0#1.offset, 4);call write~int(f_~l#1, f_~l_ref~0#1.base, f_~l_ref~0#1.offset, 4);call write~int(0, f_~i~0#1.base, f_~i~0#1.offset, 4);call write~int(0, f_~j~0#1.base, f_~j~0#1.offset, 4); 3#L569true [2021-11-23 14:07:20,929 INFO L793 eck$LassoCheckResult]: Loop: 3#L569true assume !true; 13#L564true goto; 12#L567true call f_#t~mem11#1 := read~int(f_~j~0#1.base, f_~j~0#1.offset, 4); 8#L564-1true assume !!(f_#t~mem11#1 < 1);havoc f_#t~mem11#1;call f_#t~mem12#1 := read~int(f_~j~0#1.base, f_~j~0#1.offset, 4);f_#t~post13#1 := f_#t~mem12#1;call write~int(1 + f_#t~post13#1, f_~j~0#1.base, f_~j~0#1.offset, 4);havoc f_#t~mem12#1;havoc f_#t~post13#1;call f_#t~mem14#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4); 10#L566true assume !(0 != (if f_#t~mem14#1 < 0 && 0 != f_#t~mem14#1 % 2 then f_#t~mem14#1 % 2 - 2 else f_#t~mem14#1 % 2));havoc f_#t~mem14#1; 3#L569true [2021-11-23 14:07:20,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:20,940 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-23 14:07:20,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:20,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813991157] [2021-11-23 14:07:20,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:20,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:21,161 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:07:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:21,273 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:07:21,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:21,279 INFO L85 PathProgramCache]: Analyzing trace with hash 46885240, now seen corresponding path program 1 times [2021-11-23 14:07:21,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:21,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250084464] [2021-11-23 14:07:21,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:21,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:07:21,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:07:21,327 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:07:21,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250084464] [2021-11-23 14:07:21,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250084464] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:07:21,329 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:07:21,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-23 14:07:21,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131575834] [2021-11-23 14:07:21,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:07:21,337 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-23 14:07:21,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:07:21,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 14:07:21,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 14:07:21,380 INFO L87 Difference]: Start difference. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 1 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:21,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:07:21,388 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2021-11-23 14:07:21,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:07:21,394 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2021-11-23 14:07:21,397 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-23 14:07:21,402 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 10 states and 13 transitions. [2021-11-23 14:07:21,403 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-11-23 14:07:21,403 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-11-23 14:07:21,404 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2021-11-23 14:07:21,404 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 14:07:21,405 INFO L681 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-11-23 14:07:21,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2021-11-23 14:07:21,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-11-23 14:07:21,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:21,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2021-11-23 14:07:21,430 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-11-23 14:07:21,430 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-11-23 14:07:21,430 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-23 14:07:21,431 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2021-11-23 14:07:21,431 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-23 14:07:21,431 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:07:21,431 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:07:21,432 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-23 14:07:21,432 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:07:21,432 INFO L791 eck$LassoCheckResult]: Stem: 40#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 41#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1;assume { :begin_inline_f } true;f_#in~k#1, f_#in~l#1 := main_#t~nondet17#1, main_#t~nondet18#1;havoc f_#res#1;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~malloc5#1.base, f_#t~malloc5#1.offset, f_#t~mem8#1, f_#t~post9#1, f_#t~mem10#1, f_#t~mem6#1, f_#t~mem7#1, f_#t~mem12#1, f_#t~post13#1, f_#t~mem14#1, f_#t~mem11#1, f_#t~mem15#1, f_#t~mem16#1, f_~k#1, f_~l#1, f_~k_ref~0#1.base, f_~k_ref~0#1.offset, f_~l_ref~0#1.base, f_~l_ref~0#1.offset, f_~i~0#1.base, f_~i~0#1.offset, f_~j~0#1.base, f_~j~0#1.offset;f_~k#1 := f_#in~k#1;f_~l#1 := f_#in~l#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~k_ref~0#1.base, f_~k_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~l_ref~0#1.base, f_~l_ref~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~i~0#1.base, f_~i~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call f_#t~malloc5#1.base, f_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);f_~j~0#1.base, f_~j~0#1.offset := f_#t~malloc5#1.base, f_#t~malloc5#1.offset;call write~int(f_~k#1, f_~k_ref~0#1.base, f_~k_ref~0#1.offset, 4);call write~int(f_~l#1, f_~l_ref~0#1.base, f_~l_ref~0#1.offset, 4);call write~int(0, f_~i~0#1.base, f_~i~0#1.offset, 4);call write~int(0, f_~j~0#1.base, f_~j~0#1.offset, 4); 38#L569 [2021-11-23 14:07:21,434 INFO L793 eck$LassoCheckResult]: Loop: 38#L569 goto; 39#L560 call f_#t~mem6#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4);call f_#t~mem7#1 := read~int(f_~k_ref~0#1.base, f_~k_ref~0#1.offset, 4); 44#L557-1 assume !(f_#t~mem6#1 < f_#t~mem7#1);havoc f_#t~mem6#1;havoc f_#t~mem7#1; 43#L564 goto; 45#L567 call f_#t~mem11#1 := read~int(f_~j~0#1.base, f_~j~0#1.offset, 4); 46#L564-1 assume !!(f_#t~mem11#1 < 1);havoc f_#t~mem11#1;call f_#t~mem12#1 := read~int(f_~j~0#1.base, f_~j~0#1.offset, 4);f_#t~post13#1 := f_#t~mem12#1;call write~int(1 + f_#t~post13#1, f_~j~0#1.base, f_~j~0#1.offset, 4);havoc f_#t~mem12#1;havoc f_#t~post13#1;call f_#t~mem14#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4); 47#L566 assume !(0 != (if f_#t~mem14#1 < 0 && 0 != f_#t~mem14#1 % 2 then f_#t~mem14#1 % 2 - 2 else f_#t~mem14#1 % 2));havoc f_#t~mem14#1; 38#L569 [2021-11-23 14:07:21,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:21,438 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2021-11-23 14:07:21,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:21,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829354550] [2021-11-23 14:07:21,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:21,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:21,504 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:07:21,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:21,568 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:07:21,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:21,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1311753714, now seen corresponding path program 1 times [2021-11-23 14:07:21,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:21,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609732715] [2021-11-23 14:07:21,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:21,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:21,596 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:07:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:21,629 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:07:21,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:21,630 INFO L85 PathProgramCache]: Analyzing trace with hash 234543116, now seen corresponding path program 1 times [2021-11-23 14:07:21,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:21,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516487180] [2021-11-23 14:07:21,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:21,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:21,710 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:07:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:21,763 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:07:24,148 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 14:07:24,149 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 14:07:24,149 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 14:07:24,149 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 14:07:24,149 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 14:07:24,149 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:24,149 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 14:07:24,150 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 14:07:24,150 INFO L133 ssoRankerPreferences]: Filename of dumped script: twisted-alloca.i_Iteration2_Lasso [2021-11-23 14:07:24,150 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 14:07:24,150 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 14:07:24,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:24,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:24,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:24,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:24,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:24,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:24,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:24,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:24,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:24,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:24,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:24,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:24,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:24,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:24,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:24,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:24,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:24,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:24,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:24,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:24,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:24,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:24,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:25,520 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 14:07:25,529 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 14:07:25,530 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:25,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:25,546 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:25,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:25,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-23 14:07:25,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:25,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:25,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:25,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:25,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:25,569 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:07:25,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:25,582 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:25,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:25,622 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:25,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:25,623 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:25,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:25,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:25,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:25,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:25,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:25,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:25,648 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:07:25,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:25,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-23 14:07:25,665 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:25,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-11-23 14:07:25,693 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:25,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:25,694 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:25,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-23 14:07:25,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:25,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:25,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:25,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:25,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:25,708 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:25,709 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:25,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:25,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:25,747 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:25,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:25,748 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:25,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-23 14:07:25,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:25,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:25,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:25,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:25,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:25,771 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:25,771 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:25,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:25,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-11-23 14:07:25,811 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:25,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:25,811 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:25,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-23 14:07:25,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:25,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:25,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:25,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:25,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:25,832 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:25,832 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:25,846 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:25,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:25,870 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:25,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:25,871 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:25,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-23 14:07:25,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:25,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:25,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:25,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:25,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:25,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:25,890 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:07:25,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:25,896 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:25,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-11-23 14:07:25,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:25,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:25,917 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:25,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-23 14:07:25,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:25,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:25,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:25,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:25,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:25,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:25,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:07:25,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:25,935 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:25,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:25,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:25,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:25,962 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:25,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-23 14:07:25,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:25,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:25,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:25,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:25,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:25,982 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:25,982 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:26,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:26,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:26,023 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:26,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:26,024 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:26,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:26,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-23 14:07:26,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:26,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:26,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:26,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:26,046 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:26,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:26,070 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:26,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:26,106 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:26,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:26,108 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:26,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-23 14:07:26,110 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:26,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:26,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:26,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:26,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:26,133 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:26,133 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:26,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:26,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:26,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:26,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:26,177 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:26,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-23 14:07:26,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:26,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:26,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:26,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:26,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:26,202 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:26,202 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:26,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:26,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:26,262 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:26,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:26,263 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:26,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-23 14:07:26,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:26,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:26,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:26,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:26,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:26,273 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:26,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:26,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:26,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:26,299 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:26,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:26,300 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:26,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-23 14:07:26,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:26,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:26,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:26,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:26,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:26,322 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:26,322 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:26,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:26,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:26,378 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:26,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:26,382 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:26,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:26,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:26,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:26,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:26,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:26,401 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:26,401 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:26,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-23 14:07:26,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:26,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:26,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:26,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:26,459 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:26,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:26,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:26,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:26,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:26,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:26,477 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:26,477 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:26,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-23 14:07:26,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:26,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:26,526 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:26,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:26,527 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:26,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:26,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-23 14:07:26,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:26,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:26,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:26,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:26,541 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:26,541 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:26,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:26,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:26,590 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:26,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:26,594 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:26,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:26,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:26,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:26,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:26,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:26,614 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:26,614 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:26,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-23 14:07:26,630 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-23 14:07:26,647 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-11-23 14:07:26,647 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. [2021-11-23 14:07:26,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:26,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:26,678 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:26,734 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-23 14:07:26,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-23 14:07:26,758 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-23 14:07:26,759 INFO L513 LassoAnalysis]: Proved termination. [2021-11-23 14:07:26,759 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_f_~j~0#1.base) ULTIMATE.start_f_~j~0#1.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_f_~j~0#1.base) ULTIMATE.start_f_~j~0#1.offset)_1 + 1 Supporting invariants [] [2021-11-23 14:07:26,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:27,009 INFO L297 tatePredicateManager]: 41 out of 41 supporting invariants were superfluous and have been removed [2021-11-23 14:07:27,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:07:27,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 14:07:27,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:07:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:07:27,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 14:07:27,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:07:27,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-23 14:07:27,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:07:27,225 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-23 14:07:27,226 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 4 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:27,274 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 4. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 27 transitions. Complement of second has 6 states. [2021-11-23 14:07:27,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-23 14:07:27,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:27,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2021-11-23 14:07:27,278 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 2 letters. Loop has 7 letters. [2021-11-23 14:07:27,280 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:07:27,280 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 7 letters. [2021-11-23 14:07:27,280 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:07:27,281 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 2 letters. Loop has 14 letters. [2021-11-23 14:07:27,283 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:07:27,283 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 27 transitions. [2021-11-23 14:07:27,286 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-23 14:07:27,288 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 16 states and 21 transitions. [2021-11-23 14:07:27,288 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-11-23 14:07:27,288 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-11-23 14:07:27,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2021-11-23 14:07:27,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-23 14:07:27,289 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-11-23 14:07:27,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2021-11-23 14:07:27,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2021-11-23 14:07:27,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:27,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2021-11-23 14:07:27,291 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-11-23 14:07:27,291 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-11-23 14:07:27,291 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-23 14:07:27,292 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2021-11-23 14:07:27,294 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-23 14:07:27,294 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:07:27,294 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:07:27,294 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-23 14:07:27,295 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-23 14:07:27,295 INFO L791 eck$LassoCheckResult]: Stem: 287#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 288#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1;assume { :begin_inline_f } true;f_#in~k#1, f_#in~l#1 := main_#t~nondet17#1, main_#t~nondet18#1;havoc f_#res#1;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~malloc5#1.base, f_#t~malloc5#1.offset, f_#t~mem8#1, f_#t~post9#1, f_#t~mem10#1, f_#t~mem6#1, f_#t~mem7#1, f_#t~mem12#1, f_#t~post13#1, f_#t~mem14#1, f_#t~mem11#1, f_#t~mem15#1, f_#t~mem16#1, f_~k#1, f_~l#1, f_~k_ref~0#1.base, f_~k_ref~0#1.offset, f_~l_ref~0#1.base, f_~l_ref~0#1.offset, f_~i~0#1.base, f_~i~0#1.offset, f_~j~0#1.base, f_~j~0#1.offset;f_~k#1 := f_#in~k#1;f_~l#1 := f_#in~l#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~k_ref~0#1.base, f_~k_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~l_ref~0#1.base, f_~l_ref~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~i~0#1.base, f_~i~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call f_#t~malloc5#1.base, f_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);f_~j~0#1.base, f_~j~0#1.offset := f_#t~malloc5#1.base, f_#t~malloc5#1.offset;call write~int(f_~k#1, f_~k_ref~0#1.base, f_~k_ref~0#1.offset, 4);call write~int(f_~l#1, f_~l_ref~0#1.base, f_~l_ref~0#1.offset, 4);call write~int(0, f_~i~0#1.base, f_~i~0#1.offset, 4);call write~int(0, f_~j~0#1.base, f_~j~0#1.offset, 4); 297#L569 goto; 284#L560 [2021-11-23 14:07:27,295 INFO L793 eck$LassoCheckResult]: Loop: 284#L560 call f_#t~mem6#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4);call f_#t~mem7#1 := read~int(f_~k_ref~0#1.base, f_~k_ref~0#1.offset, 4); 292#L557-1 assume !!(f_#t~mem6#1 < f_#t~mem7#1);havoc f_#t~mem6#1;havoc f_#t~mem7#1;call f_#t~mem8#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4);f_#t~post9#1 := f_#t~mem8#1;call write~int(1 + f_#t~post9#1, f_~i~0#1.base, f_~i~0#1.offset, 4);havoc f_#t~mem8#1;havoc f_#t~post9#1;call f_#t~mem10#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4); 289#L559 assume 0 != (if f_#t~mem10#1 < 0 && 0 != f_#t~mem10#1 % 2 then f_#t~mem10#1 % 2 - 2 else f_#t~mem10#1 % 2);havoc f_#t~mem10#1; 284#L560 [2021-11-23 14:07:27,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:27,296 INFO L85 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2021-11-23 14:07:27,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:27,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490070996] [2021-11-23 14:07:27,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:27,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:27,345 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:07:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:27,363 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:07:27,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:27,364 INFO L85 PathProgramCache]: Analyzing trace with hash 36905, now seen corresponding path program 1 times [2021-11-23 14:07:27,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:27,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409218760] [2021-11-23 14:07:27,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:27,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:27,372 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:07:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:27,381 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:07:27,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:27,382 INFO L85 PathProgramCache]: Analyzing trace with hash 889536583, now seen corresponding path program 1 times [2021-11-23 14:07:27,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:27,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883496534] [2021-11-23 14:07:27,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:27,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:27,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:27,415 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:07:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:27,450 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:07:27,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:28,867 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 14:07:28,868 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 14:07:28,868 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 14:07:28,868 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 14:07:28,868 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 14:07:28,868 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:28,868 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 14:07:28,868 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 14:07:28,868 INFO L133 ssoRankerPreferences]: Filename of dumped script: twisted-alloca.i_Iteration3_Lasso [2021-11-23 14:07:28,868 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 14:07:28,868 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 14:07:28,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:28,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:28,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:28,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:28,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:28,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:28,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:29,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:29,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:29,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:29,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:29,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:29,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:29,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:29,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:29,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:29,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:29,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:29,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:29,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:29,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:29,908 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 14:07:29,908 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 14:07:29,908 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:29,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:29,909 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:29,925 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:29,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:29,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:29,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:29,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:29,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:29,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:07:29,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:29,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-23 14:07:29,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:29,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:29,982 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:29,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:29,983 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:29,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:29,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:29,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:29,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:29,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:29,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:29,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:07:29,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:30,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-23 14:07:30,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:30,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:30,031 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:30,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:30,032 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:30,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-23 14:07:30,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:30,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:30,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:30,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:30,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:30,041 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:30,041 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:30,044 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:30,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:30,063 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:30,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:30,064 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:30,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-23 14:07:30,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:30,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:30,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:30,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:30,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:30,074 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:30,074 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:30,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:30,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:30,112 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:30,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:30,113 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:30,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-23 14:07:30,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:30,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:30,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:30,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:30,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:30,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:30,122 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:07:30,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:30,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:30,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:30,159 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:30,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:30,159 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:30,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-23 14:07:30,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:30,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:30,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:30,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:30,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:30,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:30,172 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:07:30,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:30,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:30,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:30,204 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:30,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:30,205 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:30,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-23 14:07:30,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:30,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:30,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:30,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:30,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:30,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:30,216 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:30,220 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:30,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:30,240 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:30,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:30,241 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:30,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:30,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-23 14:07:30,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:30,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:30,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:30,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:30,266 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:30,266 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:30,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:30,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:30,330 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:30,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:30,331 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:30,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:30,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:30,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:30,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:30,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:30,345 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:30,345 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:30,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-23 14:07:30,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:30,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-11-23 14:07:30,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:30,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:30,388 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:30,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-23 14:07:30,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:30,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:30,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:30,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:30,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:30,398 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:30,398 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:30,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:30,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:30,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:30,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:30,444 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:30,455 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:30,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:30,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:30,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:30,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:30,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-23 14:07:30,466 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:30,466 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:30,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:30,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:30,520 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:30,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:30,521 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:30,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-23 14:07:30,522 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:30,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:30,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:30,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:30,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:30,531 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:30,531 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:30,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:30,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-11-23 14:07:30,554 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:30,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:30,554 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:30,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-23 14:07:30,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:30,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:30,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:30,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:30,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:30,566 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:30,566 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:30,570 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:30,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:30,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:30,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:30,593 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:30,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-23 14:07:30,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:30,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:30,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:30,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:30,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:30,607 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:30,607 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:30,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:30,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:30,659 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:30,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:30,660 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:30,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-23 14:07:30,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:30,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:30,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:30,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:30,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:30,693 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:30,693 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:30,713 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-23 14:07:30,731 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-11-23 14:07:30,731 INFO L444 ModelExtractionUtils]: 6 out of 19 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-11-23 14:07:30,731 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:30,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:30,734 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:30,736 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-23 14:07:30,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-23 14:07:30,763 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-23 14:07:30,763 INFO L513 LassoAnalysis]: Proved termination. [2021-11-23 14:07:30,763 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_f_~k_ref~0#1.base) ULTIMATE.start_f_~k_ref~0#1.offset)_2, v_rep(select (select #memory_int ULTIMATE.start_f_~i~0#1.base) ULTIMATE.start_f_~i~0#1.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_f_~k_ref~0#1.base) ULTIMATE.start_f_~k_ref~0#1.offset)_2 - 1*v_rep(select (select #memory_int ULTIMATE.start_f_~i~0#1.base) ULTIMATE.start_f_~i~0#1.offset)_2 Supporting invariants [] [2021-11-23 14:07:30,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:30,924 INFO L297 tatePredicateManager]: 36 out of 36 supporting invariants were superfluous and have been removed [2021-11-23 14:07:30,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:30,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:07:30,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 14:07:30,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:07:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:07:30,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 14:07:30,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:07:31,005 INFO L354 Elim1Store]: treesize reduction 29, result has 37.0 percent of original size [2021-11-23 14:07:31,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 34 [2021-11-23 14:07:31,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:07:31,026 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-23 14:07:31,026 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:31,060 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 7. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 43 transitions. Complement of second has 7 states. [2021-11-23 14:07:31,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-23 14:07:31,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:31,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2021-11-23 14:07:31,062 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 3 letters. [2021-11-23 14:07:31,062 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:07:31,062 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 6 letters. Loop has 3 letters. [2021-11-23 14:07:31,062 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:07:31,062 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 6 letters. [2021-11-23 14:07:31,062 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:07:31,063 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 43 transitions. [2021-11-23 14:07:31,064 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-23 14:07:31,065 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 24 states and 31 transitions. [2021-11-23 14:07:31,065 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-11-23 14:07:31,065 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-11-23 14:07:31,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 31 transitions. [2021-11-23 14:07:31,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-23 14:07:31,065 INFO L681 BuchiCegarLoop]: Abstraction has 24 states and 31 transitions. [2021-11-23 14:07:31,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 31 transitions. [2021-11-23 14:07:31,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 21. [2021-11-23 14:07:31,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:31,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 28 transitions. [2021-11-23 14:07:31,068 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 28 transitions. [2021-11-23 14:07:31,068 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 28 transitions. [2021-11-23 14:07:31,068 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-23 14:07:31,068 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 28 transitions. [2021-11-23 14:07:31,069 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-23 14:07:31,069 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:07:31,069 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:07:31,071 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:07:31,071 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-23 14:07:31,071 INFO L791 eck$LassoCheckResult]: Stem: 523#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 524#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1;assume { :begin_inline_f } true;f_#in~k#1, f_#in~l#1 := main_#t~nondet17#1, main_#t~nondet18#1;havoc f_#res#1;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~malloc5#1.base, f_#t~malloc5#1.offset, f_#t~mem8#1, f_#t~post9#1, f_#t~mem10#1, f_#t~mem6#1, f_#t~mem7#1, f_#t~mem12#1, f_#t~post13#1, f_#t~mem14#1, f_#t~mem11#1, f_#t~mem15#1, f_#t~mem16#1, f_~k#1, f_~l#1, f_~k_ref~0#1.base, f_~k_ref~0#1.offset, f_~l_ref~0#1.base, f_~l_ref~0#1.offset, f_~i~0#1.base, f_~i~0#1.offset, f_~j~0#1.base, f_~j~0#1.offset;f_~k#1 := f_#in~k#1;f_~l#1 := f_#in~l#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~k_ref~0#1.base, f_~k_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~l_ref~0#1.base, f_~l_ref~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~i~0#1.base, f_~i~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call f_#t~malloc5#1.base, f_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);f_~j~0#1.base, f_~j~0#1.offset := f_#t~malloc5#1.base, f_#t~malloc5#1.offset;call write~int(f_~k#1, f_~k_ref~0#1.base, f_~k_ref~0#1.offset, 4);call write~int(f_~l#1, f_~l_ref~0#1.base, f_~l_ref~0#1.offset, 4);call write~int(0, f_~i~0#1.base, f_~i~0#1.offset, 4);call write~int(0, f_~j~0#1.base, f_~j~0#1.offset, 4); 519#L569 goto; 520#L560 call f_#t~mem6#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4);call f_#t~mem7#1 := read~int(f_~k_ref~0#1.base, f_~k_ref~0#1.offset, 4); 536#L557-1 assume !(f_#t~mem6#1 < f_#t~mem7#1);havoc f_#t~mem6#1;havoc f_#t~mem7#1; 528#L564 goto; 533#L567 call f_#t~mem11#1 := read~int(f_~j~0#1.base, f_~j~0#1.offset, 4); 534#L564-1 assume !!(f_#t~mem11#1 < 1);havoc f_#t~mem11#1;call f_#t~mem12#1 := read~int(f_~j~0#1.base, f_~j~0#1.offset, 4);f_#t~post13#1 := f_#t~mem12#1;call write~int(1 + f_#t~post13#1, f_~j~0#1.base, f_~j~0#1.offset, 4);havoc f_#t~mem12#1;havoc f_#t~post13#1;call f_#t~mem14#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4); 535#L566 assume !(0 != (if f_#t~mem14#1 < 0 && 0 != f_#t~mem14#1 % 2 then f_#t~mem14#1 % 2 - 2 else f_#t~mem14#1 % 2));havoc f_#t~mem14#1; 537#L569 goto; 526#L560 [2021-11-23 14:07:31,071 INFO L793 eck$LassoCheckResult]: Loop: 526#L560 call f_#t~mem6#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4);call f_#t~mem7#1 := read~int(f_~k_ref~0#1.base, f_~k_ref~0#1.offset, 4); 531#L557-1 assume !!(f_#t~mem6#1 < f_#t~mem7#1);havoc f_#t~mem6#1;havoc f_#t~mem7#1;call f_#t~mem8#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4);f_#t~post9#1 := f_#t~mem8#1;call write~int(1 + f_#t~post9#1, f_~i~0#1.base, f_~i~0#1.offset, 4);havoc f_#t~mem8#1;havoc f_#t~post9#1;call f_#t~mem10#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4); 525#L559 assume 0 != (if f_#t~mem10#1 < 0 && 0 != f_#t~mem10#1 % 2 then f_#t~mem10#1 % 2 - 2 else f_#t~mem10#1 % 2);havoc f_#t~mem10#1; 526#L560 [2021-11-23 14:07:31,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:31,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1319097990, now seen corresponding path program 2 times [2021-11-23 14:07:31,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:31,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325566524] [2021-11-23 14:07:31,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:31,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:31,092 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:07:31,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:31,113 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:07:31,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:31,113 INFO L85 PathProgramCache]: Analyzing trace with hash 36905, now seen corresponding path program 2 times [2021-11-23 14:07:31,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:31,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534039534] [2021-11-23 14:07:31,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:31,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:31,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:31,129 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:07:31,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:31,136 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:07:31,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:31,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1702545424, now seen corresponding path program 1 times [2021-11-23 14:07:31,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:31,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667239930] [2021-11-23 14:07:31,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:31,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:07:31,295 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:07:31,295 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:07:31,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667239930] [2021-11-23 14:07:31,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667239930] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:07:31,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444694951] [2021-11-23 14:07:31,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:31,296 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:07:31,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:31,297 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:07:31,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2021-11-23 14:07:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:07:31,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 14:07:31,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:07:31,380 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 14:07:31,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 14:07:31,504 INFO L354 Elim1Store]: treesize reduction 88, result has 14.6 percent of original size [2021-11-23 14:07:31,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 37 treesize of output 35 [2021-11-23 14:07:31,549 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 14:07:31,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 22 [2021-11-23 14:07:31,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:31,626 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:07:31,626 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:07:33,937 INFO L354 Elim1Store]: treesize reduction 30, result has 11.8 percent of original size [2021-11-23 14:07:33,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 102 treesize of output 74 [2021-11-23 14:07:34,000 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:07:34,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444694951] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:07:34,000 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:07:34,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2021-11-23 14:07:34,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200229284] [2021-11-23 14:07:34,001 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:07:34,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:07:34,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-23 14:07:34,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=154, Unknown=1, NotChecked=0, Total=210 [2021-11-23 14:07:34,077 INFO L87 Difference]: Start difference. First operand 21 states and 28 transitions. cyclomatic complexity: 10 Second operand has 15 states, 15 states have (on average 2.066666666666667) internal successors, (31), 15 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:34,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:07:34,205 INFO L93 Difference]: Finished difference Result 43 states and 52 transitions. [2021-11-23 14:07:34,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 14:07:34,206 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 52 transitions. [2021-11-23 14:07:34,208 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-23 14:07:34,209 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 20 states and 24 transitions. [2021-11-23 14:07:34,209 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-11-23 14:07:34,209 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-11-23 14:07:34,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 24 transitions. [2021-11-23 14:07:34,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-23 14:07:34,209 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2021-11-23 14:07:34,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 24 transitions. [2021-11-23 14:07:34,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 15. [2021-11-23 14:07:34,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2) internal successors, (18), 14 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:34,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2021-11-23 14:07:34,211 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-11-23 14:07:34,211 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-11-23 14:07:34,211 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-23 14:07:34,212 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2021-11-23 14:07:34,212 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-23 14:07:34,212 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:07:34,212 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:07:34,213 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:07:34,213 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-23 14:07:34,213 INFO L791 eck$LassoCheckResult]: Stem: 682#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 683#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1;assume { :begin_inline_f } true;f_#in~k#1, f_#in~l#1 := main_#t~nondet17#1, main_#t~nondet18#1;havoc f_#res#1;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~malloc5#1.base, f_#t~malloc5#1.offset, f_#t~mem8#1, f_#t~post9#1, f_#t~mem10#1, f_#t~mem6#1, f_#t~mem7#1, f_#t~mem12#1, f_#t~post13#1, f_#t~mem14#1, f_#t~mem11#1, f_#t~mem15#1, f_#t~mem16#1, f_~k#1, f_~l#1, f_~k_ref~0#1.base, f_~k_ref~0#1.offset, f_~l_ref~0#1.base, f_~l_ref~0#1.offset, f_~i~0#1.base, f_~i~0#1.offset, f_~j~0#1.base, f_~j~0#1.offset;f_~k#1 := f_#in~k#1;f_~l#1 := f_#in~l#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~k_ref~0#1.base, f_~k_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~l_ref~0#1.base, f_~l_ref~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~i~0#1.base, f_~i~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call f_#t~malloc5#1.base, f_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);f_~j~0#1.base, f_~j~0#1.offset := f_#t~malloc5#1.base, f_#t~malloc5#1.offset;call write~int(f_~k#1, f_~k_ref~0#1.base, f_~k_ref~0#1.offset, 4);call write~int(f_~l#1, f_~l_ref~0#1.base, f_~l_ref~0#1.offset, 4);call write~int(0, f_~i~0#1.base, f_~i~0#1.offset, 4);call write~int(0, f_~j~0#1.base, f_~j~0#1.offset, 4); 679#L569 goto; 680#L560 call f_#t~mem6#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4);call f_#t~mem7#1 := read~int(f_~k_ref~0#1.base, f_~k_ref~0#1.offset, 4); 689#L557-1 assume !!(f_#t~mem6#1 < f_#t~mem7#1);havoc f_#t~mem6#1;havoc f_#t~mem7#1;call f_#t~mem8#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4);f_#t~post9#1 := f_#t~mem8#1;call write~int(1 + f_#t~post9#1, f_~i~0#1.base, f_~i~0#1.offset, 4);havoc f_#t~mem8#1;havoc f_#t~post9#1;call f_#t~mem10#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4); 686#L559 assume !(0 != (if f_#t~mem10#1 < 0 && 0 != f_#t~mem10#1 % 2 then f_#t~mem10#1 % 2 - 2 else f_#t~mem10#1 % 2));havoc f_#t~mem10#1; 687#L564 goto; 690#L567 call f_#t~mem11#1 := read~int(f_~j~0#1.base, f_~j~0#1.offset, 4); 691#L564-1 assume !!(f_#t~mem11#1 < 1);havoc f_#t~mem11#1;call f_#t~mem12#1 := read~int(f_~j~0#1.base, f_~j~0#1.offset, 4);f_#t~post13#1 := f_#t~mem12#1;call write~int(1 + f_#t~post13#1, f_~j~0#1.base, f_~j~0#1.offset, 4);havoc f_#t~mem12#1;havoc f_#t~post13#1;call f_#t~mem14#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4); 692#L566 assume !(0 != (if f_#t~mem14#1 < 0 && 0 != f_#t~mem14#1 % 2 then f_#t~mem14#1 % 2 - 2 else f_#t~mem14#1 % 2));havoc f_#t~mem14#1; 693#L569 goto; 685#L560 [2021-11-23 14:07:34,213 INFO L793 eck$LassoCheckResult]: Loop: 685#L560 call f_#t~mem6#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4);call f_#t~mem7#1 := read~int(f_~k_ref~0#1.base, f_~k_ref~0#1.offset, 4); 688#L557-1 assume !!(f_#t~mem6#1 < f_#t~mem7#1);havoc f_#t~mem6#1;havoc f_#t~mem7#1;call f_#t~mem8#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4);f_#t~post9#1 := f_#t~mem8#1;call write~int(1 + f_#t~post9#1, f_~i~0#1.base, f_~i~0#1.offset, 4);havoc f_#t~mem8#1;havoc f_#t~post9#1;call f_#t~mem10#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4); 684#L559 assume 0 != (if f_#t~mem10#1 < 0 && 0 != f_#t~mem10#1 % 2 then f_#t~mem10#1 % 2 - 2 else f_#t~mem10#1 % 2);havoc f_#t~mem10#1; 685#L560 [2021-11-23 14:07:34,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:34,214 INFO L85 PathProgramCache]: Analyzing trace with hash -635175977, now seen corresponding path program 1 times [2021-11-23 14:07:34,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:34,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212874222] [2021-11-23 14:07:34,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:34,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:07:34,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:07:34,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:07:34,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212874222] [2021-11-23 14:07:34,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212874222] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:07:34,306 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:07:34,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 14:07:34,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474795085] [2021-11-23 14:07:34,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:07:34,307 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-23 14:07:34,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:34,307 INFO L85 PathProgramCache]: Analyzing trace with hash 36905, now seen corresponding path program 3 times [2021-11-23 14:07:34,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:34,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574853915] [2021-11-23 14:07:34,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:34,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:34,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:34,314 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:07:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:34,319 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:07:34,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:07:34,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 14:07:34,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 14:07:34,403 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. cyclomatic complexity: 5 Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:34,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:07:34,456 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2021-11-23 14:07:34,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:07:34,457 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 28 transitions. [2021-11-23 14:07:34,457 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-23 14:07:34,458 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 20 states and 23 transitions. [2021-11-23 14:07:34,458 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-11-23 14:07:34,458 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-11-23 14:07:34,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 23 transitions. [2021-11-23 14:07:34,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-23 14:07:34,458 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-11-23 14:07:34,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 23 transitions. [2021-11-23 14:07:34,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2021-11-23 14:07:34,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 17 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:34,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2021-11-23 14:07:34,461 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-11-23 14:07:34,461 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-11-23 14:07:34,461 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-23 14:07:34,461 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2021-11-23 14:07:34,462 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-23 14:07:34,462 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:07:34,462 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:07:34,463 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:07:34,463 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-23 14:07:34,463 INFO L791 eck$LassoCheckResult]: Stem: 732#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 733#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1;assume { :begin_inline_f } true;f_#in~k#1, f_#in~l#1 := main_#t~nondet17#1, main_#t~nondet18#1;havoc f_#res#1;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~malloc5#1.base, f_#t~malloc5#1.offset, f_#t~mem8#1, f_#t~post9#1, f_#t~mem10#1, f_#t~mem6#1, f_#t~mem7#1, f_#t~mem12#1, f_#t~post13#1, f_#t~mem14#1, f_#t~mem11#1, f_#t~mem15#1, f_#t~mem16#1, f_~k#1, f_~l#1, f_~k_ref~0#1.base, f_~k_ref~0#1.offset, f_~l_ref~0#1.base, f_~l_ref~0#1.offset, f_~i~0#1.base, f_~i~0#1.offset, f_~j~0#1.base, f_~j~0#1.offset;f_~k#1 := f_#in~k#1;f_~l#1 := f_#in~l#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~k_ref~0#1.base, f_~k_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~l_ref~0#1.base, f_~l_ref~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~i~0#1.base, f_~i~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call f_#t~malloc5#1.base, f_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);f_~j~0#1.base, f_~j~0#1.offset := f_#t~malloc5#1.base, f_#t~malloc5#1.offset;call write~int(f_~k#1, f_~k_ref~0#1.base, f_~k_ref~0#1.offset, 4);call write~int(f_~l#1, f_~l_ref~0#1.base, f_~l_ref~0#1.offset, 4);call write~int(0, f_~i~0#1.base, f_~i~0#1.offset, 4);call write~int(0, f_~j~0#1.base, f_~j~0#1.offset, 4); 728#L569 goto; 729#L560 call f_#t~mem6#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4);call f_#t~mem7#1 := read~int(f_~k_ref~0#1.base, f_~k_ref~0#1.offset, 4); 743#L557-1 assume !!(f_#t~mem6#1 < f_#t~mem7#1);havoc f_#t~mem6#1;havoc f_#t~mem7#1;call f_#t~mem8#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4);f_#t~post9#1 := f_#t~mem8#1;call write~int(1 + f_#t~post9#1, f_~i~0#1.base, f_~i~0#1.offset, 4);havoc f_#t~mem8#1;havoc f_#t~post9#1;call f_#t~mem10#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4); 736#L559 assume 0 != (if f_#t~mem10#1 < 0 && 0 != f_#t~mem10#1 % 2 then f_#t~mem10#1 % 2 - 2 else f_#t~mem10#1 % 2);havoc f_#t~mem10#1; 731#L560 call f_#t~mem6#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4);call f_#t~mem7#1 := read~int(f_~k_ref~0#1.base, f_~k_ref~0#1.offset, 4); 738#L557-1 assume !!(f_#t~mem6#1 < f_#t~mem7#1);havoc f_#t~mem6#1;havoc f_#t~mem7#1;call f_#t~mem8#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4);f_#t~post9#1 := f_#t~mem8#1;call write~int(1 + f_#t~post9#1, f_~i~0#1.base, f_~i~0#1.offset, 4);havoc f_#t~mem8#1;havoc f_#t~post9#1;call f_#t~mem10#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4); 745#L559 assume !(0 != (if f_#t~mem10#1 < 0 && 0 != f_#t~mem10#1 % 2 then f_#t~mem10#1 % 2 - 2 else f_#t~mem10#1 % 2));havoc f_#t~mem10#1; 742#L564 goto; 739#L567 call f_#t~mem11#1 := read~int(f_~j~0#1.base, f_~j~0#1.offset, 4); 740#L564-1 assume !!(f_#t~mem11#1 < 1);havoc f_#t~mem11#1;call f_#t~mem12#1 := read~int(f_~j~0#1.base, f_~j~0#1.offset, 4);f_#t~post13#1 := f_#t~mem12#1;call write~int(1 + f_#t~post13#1, f_~j~0#1.base, f_~j~0#1.offset, 4);havoc f_#t~mem12#1;havoc f_#t~post13#1;call f_#t~mem14#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4); 741#L566 assume !(0 != (if f_#t~mem14#1 < 0 && 0 != f_#t~mem14#1 % 2 then f_#t~mem14#1 % 2 - 2 else f_#t~mem14#1 % 2));havoc f_#t~mem14#1; 744#L569 goto; 735#L560 [2021-11-23 14:07:34,463 INFO L793 eck$LassoCheckResult]: Loop: 735#L560 call f_#t~mem6#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4);call f_#t~mem7#1 := read~int(f_~k_ref~0#1.base, f_~k_ref~0#1.offset, 4); 737#L557-1 assume !!(f_#t~mem6#1 < f_#t~mem7#1);havoc f_#t~mem6#1;havoc f_#t~mem7#1;call f_#t~mem8#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4);f_#t~post9#1 := f_#t~mem8#1;call write~int(1 + f_#t~post9#1, f_~i~0#1.base, f_~i~0#1.offset, 4);havoc f_#t~mem8#1;havoc f_#t~post9#1;call f_#t~mem10#1 := read~int(f_~i~0#1.base, f_~i~0#1.offset, 4); 734#L559 assume 0 != (if f_#t~mem10#1 < 0 && 0 != f_#t~mem10#1 % 2 then f_#t~mem10#1 % 2 - 2 else f_#t~mem10#1 % 2);havoc f_#t~mem10#1; 735#L560 [2021-11-23 14:07:34,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:34,464 INFO L85 PathProgramCache]: Analyzing trace with hash 184869755, now seen corresponding path program 1 times [2021-11-23 14:07:34,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:34,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417373713] [2021-11-23 14:07:34,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:34,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:34,493 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:07:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:34,517 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:07:34,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:34,518 INFO L85 PathProgramCache]: Analyzing trace with hash 36905, now seen corresponding path program 4 times [2021-11-23 14:07:34,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:34,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006440988] [2021-11-23 14:07:34,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:34,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:34,523 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:07:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:34,529 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:07:34,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:34,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1306804847, now seen corresponding path program 2 times [2021-11-23 14:07:34,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:07:34,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567252667] [2021-11-23 14:07:34,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:07:34,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:07:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:34,560 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:07:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:07:34,588 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:07:36,710 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 14:07:36,710 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 14:07:36,710 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 14:07:36,710 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 14:07:36,710 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 14:07:36,710 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:36,710 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 14:07:36,710 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 14:07:36,710 INFO L133 ssoRankerPreferences]: Filename of dumped script: twisted-alloca.i_Iteration6_Lasso [2021-11-23 14:07:36,710 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 14:07:36,710 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 14:07:36,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:36,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:36,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:36,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:36,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:36,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:36,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:36,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:36,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:36,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:36,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:36,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:36,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:36,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:36,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:36,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:36,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:36,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:36,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:36,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:36,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:37,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:07:37,857 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 14:07:37,857 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 14:07:37,857 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:37,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:37,865 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:37,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:37,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:37,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:37,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:37,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:37,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:37,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:07:37,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:37,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-23 14:07:37,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:37,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-11-23 14:07:37,915 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:37,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:37,916 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:37,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-23 14:07:37,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:37,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:37,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:37,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:37,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:37,926 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:37,926 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:37,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:37,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:37,957 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:37,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:37,958 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:37,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:37,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-23 14:07:37,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:37,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:37,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:37,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:37,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:37,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:07:37,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:37,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:37,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-11-23 14:07:37,989 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:37,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:37,990 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:37,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-23 14:07:37,994 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:38,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:38,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:38,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:38,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:38,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:38,002 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:07:38,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:38,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:38,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-11-23 14:07:38,022 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:38,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:38,023 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:38,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:38,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-23 14:07:38,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:38,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:38,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:38,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:38,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:38,033 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:07:38,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:38,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:38,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-11-23 14:07:38,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:38,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:38,073 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:38,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-23 14:07:38,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:38,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:38,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:38,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:38,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:38,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:38,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:07:38,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:38,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:38,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:38,107 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:38,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:38,108 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:38,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-23 14:07:38,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:38,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:38,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:38,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:38,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:38,126 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:38,126 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:38,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:38,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:38,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:38,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:38,149 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:38,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-23 14:07:38,152 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:38,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:38,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:38,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:38,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:38,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:38,159 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:07:38,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:38,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:38,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-11-23 14:07:38,189 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:38,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:38,190 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:38,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-23 14:07:38,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:38,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:38,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:38,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:38,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:38,199 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:38,200 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:38,231 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:38,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:38,262 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:38,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:38,264 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:38,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-23 14:07:38,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:38,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:38,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:38,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:38,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:38,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:38,273 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:07:38,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:38,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:38,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-11-23 14:07:38,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:38,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:38,294 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:38,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-23 14:07:38,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:38,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:38,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:38,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:38,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:38,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:38,303 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:07:38,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:38,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:38,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:38,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:38,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:38,324 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:38,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:38,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-23 14:07:38,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:38,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:38,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:38,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:38,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:38,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:07:38,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:38,346 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:38,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-11-23 14:07:38,365 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:38,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:38,365 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:38,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-23 14:07:38,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:38,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:38,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:38,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:38,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:38,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:38,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:07:38,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:38,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:38,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-11-23 14:07:38,394 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:38,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:38,394 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:38,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-23 14:07:38,398 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:38,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:38,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:38,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:38,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:38,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:38,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:07:38,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:38,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:38,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:38,427 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:38,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:38,428 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:38,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-23 14:07:38,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:38,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:38,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:38,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:38,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:38,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:38,437 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:07:38,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:38,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:38,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-11-23 14:07:38,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:38,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:38,458 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:38,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:38,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-23 14:07:38,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:38,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:38,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:38,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:38,468 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:38,468 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:38,470 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:38,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:38,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:38,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:38,490 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:38,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-23 14:07:38,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:38,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:38,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:38,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:38,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:38,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:38,498 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:07:38,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:38,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:38,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-11-23 14:07:38,518 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:38,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:38,519 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:38,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-23 14:07:38,520 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:38,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:38,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:38,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:38,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:38,528 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:38,528 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:38,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:38,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-11-23 14:07:38,549 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:38,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:38,550 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:38,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-23 14:07:38,551 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:38,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:38,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:38,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:38,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:38,559 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:38,559 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:38,561 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:38,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:38,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:38,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:38,581 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:38,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-23 14:07:38,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:38,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:38,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:07:38,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:38,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:38,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:38,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:07:38,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:07:38,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:38,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-11-23 14:07:38,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:38,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:38,611 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:38,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-23 14:07:38,613 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:38,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:38,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:38,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:38,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:38,624 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:38,624 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:38,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:38,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-11-23 14:07:38,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:38,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:38,659 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:38,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-23 14:07:38,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:38,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:38,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:38,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:38,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:38,669 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:38,669 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:38,673 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:38,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:38,692 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:38,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:38,693 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:38,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-23 14:07:38,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:38,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:38,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:38,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:38,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:38,702 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:38,702 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:38,704 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:38,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-11-23 14:07:38,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:38,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:38,724 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:38,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-23 14:07:38,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:38,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:38,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:38,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:38,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:38,735 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:38,735 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:38,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:38,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-11-23 14:07:38,758 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:38,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:38,759 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:38,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:38,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:38,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:38,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:38,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:38,801 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:38,801 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:38,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-23 14:07:38,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:38,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:38,850 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:38,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:38,851 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:38,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:38,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:38,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:38,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:38,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:38,869 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:38,870 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:38,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-23 14:07:38,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:38,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-11-23 14:07:38,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:38,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:38,917 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:38,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-23 14:07:38,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:38,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:38,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:38,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:38,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:38,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:38,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:38,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:38,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-11-23 14:07:38,949 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:38,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:38,950 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:38,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-23 14:07:38,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:38,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:38,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:38,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:38,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:38,960 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:38,960 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:38,962 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:38,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:38,981 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:38,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:38,982 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:38,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-23 14:07:38,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:38,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:38,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:38,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:38,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:38,996 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:38,996 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:39,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:07:39,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:39,025 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:39,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:39,026 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:39,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-23 14:07:39,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:07:39,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:07:39,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:07:39,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:07:39,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:07:39,039 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 14:07:39,039 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 14:07:39,047 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-23 14:07:39,064 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2021-11-23 14:07:39,064 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-11-23 14:07:39,065 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:07:39,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:07:39,082 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:07:39,083 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-23 14:07:39,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-23 14:07:39,107 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-23 14:07:39,107 INFO L513 LassoAnalysis]: Proved termination. [2021-11-23 14:07:39,107 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_f_~i~0#1.base) ULTIMATE.start_f_~i~0#1.offset)_3, ULTIMATE.start_f_~k#1) = -1*v_rep(select (select #memory_int ULTIMATE.start_f_~i~0#1.base) ULTIMATE.start_f_~i~0#1.offset)_3 + 1*ULTIMATE.start_f_~k#1 Supporting invariants [1*ULTIMATE.start_f_~k#1 - 1*v_rep(select (select #memory_int ULTIMATE.start_f_~k_ref~0#1.base) ULTIMATE.start_f_~k_ref~0#1.offset)_3 >= 0] [2021-11-23 14:07:39,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-11-23 14:07:39,255 INFO L297 tatePredicateManager]: 36 out of 37 supporting invariants were superfluous and have been removed [2021-11-23 14:07:39,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:07:39,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 14:07:39,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:07:39,391 INFO L354 Elim1Store]: treesize reduction 111, result has 28.4 percent of original size [2021-11-23 14:07:39,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 132 treesize of output 59 [2021-11-23 14:07:39,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 58 [2021-11-23 14:07:39,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:39,631 INFO L354 Elim1Store]: treesize reduction 52, result has 30.7 percent of original size [2021-11-23 14:07:39,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 51 [2021-11-23 14:07:39,793 INFO L354 Elim1Store]: treesize reduction 48, result has 36.0 percent of original size [2021-11-23 14:07:39,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 54 treesize of output 56 [2021-11-23 14:07:40,045 INFO L354 Elim1Store]: treesize reduction 44, result has 41.3 percent of original size [2021-11-23 14:07:40,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 57 [2021-11-23 14:07:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:07:40,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 14:07:40,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:07:40,512 INFO L354 Elim1Store]: treesize reduction 29, result has 37.0 percent of original size [2021-11-23 14:07:40,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 37 [2021-11-23 14:07:40,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:07:40,551 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 3 loop predicates [2021-11-23 14:07:40,551 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5 Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:40,592 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5. Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 18 states and 21 transitions. Complement of second has 4 states. [2021-11-23 14:07:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2021-11-23 14:07:40,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:40,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. [2021-11-23 14:07:40,596 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 3 transitions. Stem has 14 letters. Loop has 3 letters. [2021-11-23 14:07:40,596 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:07:40,596 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-23 14:07:40,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:07:40,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 14:07:40,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:07:40,726 INFO L354 Elim1Store]: treesize reduction 111, result has 28.4 percent of original size [2021-11-23 14:07:40,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 132 treesize of output 59 [2021-11-23 14:07:40,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 58 [2021-11-23 14:07:40,930 INFO L354 Elim1Store]: treesize reduction 52, result has 30.7 percent of original size [2021-11-23 14:07:40,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 51 [2021-11-23 14:07:41,092 INFO L354 Elim1Store]: treesize reduction 48, result has 36.0 percent of original size [2021-11-23 14:07:41,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 60 treesize of output 58 [2021-11-23 14:07:41,388 INFO L354 Elim1Store]: treesize reduction 44, result has 41.3 percent of original size [2021-11-23 14:07:41,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 57 [2021-11-23 14:07:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:07:43,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 14:07:43,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:07:43,409 INFO L354 Elim1Store]: treesize reduction 29, result has 37.0 percent of original size [2021-11-23 14:07:43,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 37 [2021-11-23 14:07:43,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:07:43,450 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.6 stem predicates 3 loop predicates [2021-11-23 14:07:43,450 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5 Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:43,478 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5. Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 18 states and 21 transitions. Complement of second has 4 states. [2021-11-23 14:07:43,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2021-11-23 14:07:43,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:43,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. [2021-11-23 14:07:43,480 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 3 transitions. Stem has 14 letters. Loop has 3 letters. [2021-11-23 14:07:43,480 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:07:43,480 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-23 14:07:43,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:07:43,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 14:07:43,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:07:43,632 INFO L354 Elim1Store]: treesize reduction 111, result has 28.4 percent of original size [2021-11-23 14:07:43,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 132 treesize of output 59 [2021-11-23 14:07:43,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 58 [2021-11-23 14:07:43,830 INFO L354 Elim1Store]: treesize reduction 52, result has 30.7 percent of original size [2021-11-23 14:07:43,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 51 [2021-11-23 14:07:43,997 INFO L354 Elim1Store]: treesize reduction 48, result has 36.0 percent of original size [2021-11-23 14:07:43,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 60 treesize of output 58 [2021-11-23 14:07:44,609 INFO L354 Elim1Store]: treesize reduction 44, result has 41.3 percent of original size [2021-11-23 14:07:44,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 57 [2021-11-23 14:07:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:07:46,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 14:07:46,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:07:46,177 INFO L354 Elim1Store]: treesize reduction 29, result has 37.0 percent of original size [2021-11-23 14:07:46,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 37 [2021-11-23 14:07:46,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:07:46,219 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.6 stem predicates 3 loop predicates [2021-11-23 14:07:46,219 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5 Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:46,293 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5. Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 23 states and 26 transitions. Complement of second has 6 states. [2021-11-23 14:07:46,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 4 stem states 0 non-accepting loop states 1 accepting loop states [2021-11-23 14:07:46,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:46,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2021-11-23 14:07:46,295 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 14 letters. Loop has 3 letters. [2021-11-23 14:07:46,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:07:46,295 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-23 14:07:46,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:07:46,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 14:07:46,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:07:46,423 INFO L354 Elim1Store]: treesize reduction 141, result has 19.4 percent of original size [2021-11-23 14:07:46,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 143 treesize of output 60 [2021-11-23 14:07:46,429 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 14:07:46,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 59 [2021-11-23 14:07:46,559 INFO L354 Elim1Store]: treesize reduction 39, result has 27.8 percent of original size [2021-11-23 14:07:46,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 45 [2021-11-23 14:07:46,791 INFO L354 Elim1Store]: treesize reduction 64, result has 35.4 percent of original size [2021-11-23 14:07:46,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 66 treesize of output 72 [2021-11-23 14:07:47,305 INFO L354 Elim1Store]: treesize reduction 56, result has 38.5 percent of original size [2021-11-23 14:07:47,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 64 treesize of output 70 [2021-11-23 14:07:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:07:48,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 14:07:48,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:07:48,473 INFO L354 Elim1Store]: treesize reduction 29, result has 37.0 percent of original size [2021-11-23 14:07:48,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 37 [2021-11-23 14:07:48,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:07:48,510 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.6 stem predicates 3 loop predicates [2021-11-23 14:07:48,511 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5 Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:48,560 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5. Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 23 states and 26 transitions. Complement of second has 6 states. [2021-11-23 14:07:48,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 4 stem states 0 non-accepting loop states 1 accepting loop states [2021-11-23 14:07:48,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:48,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2021-11-23 14:07:48,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 14 letters. Loop has 3 letters. [2021-11-23 14:07:48,562 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:07:48,562 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-23 14:07:48,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:07:48,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:07:48,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 14:07:48,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:07:48,694 INFO L354 Elim1Store]: treesize reduction 111, result has 28.4 percent of original size [2021-11-23 14:07:48,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 132 treesize of output 59 [2021-11-23 14:07:48,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 58 [2021-11-23 14:07:48,895 INFO L354 Elim1Store]: treesize reduction 52, result has 30.7 percent of original size [2021-11-23 14:07:48,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 51 [2021-11-23 14:07:49,059 INFO L354 Elim1Store]: treesize reduction 48, result has 36.0 percent of original size [2021-11-23 14:07:49,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 60 treesize of output 58 [2021-11-23 14:07:49,714 INFO L354 Elim1Store]: treesize reduction 44, result has 41.3 percent of original size [2021-11-23 14:07:49,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 54 treesize of output 60 [2021-11-23 14:07:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:07:51,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 14:07:51,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:07:51,744 INFO L354 Elim1Store]: treesize reduction 29, result has 37.0 percent of original size [2021-11-23 14:07:51,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 37 [2021-11-23 14:07:51,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:07:51,783 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.6 stem predicates 3 loop predicates [2021-11-23 14:07:51,784 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 18 states and 21 transitions. cyclomatic complexity: 5 Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:52,005 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 18 states and 21 transitions. cyclomatic complexity: 5 Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 171 states and 236 transitions. Complement of second has 67 states 13 powerset states54 rank states. The highest rank that occured is 5 [2021-11-23 14:07:52,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 4 stem states 4 non-accepting loop states 2 accepting loop states [2021-11-23 14:07:52,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:07:52,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 60 transitions. [2021-11-23 14:07:52,008 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 60 transitions. Stem has 14 letters. Loop has 3 letters. [2021-11-23 14:07:52,009 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:07:52,009 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-23 14:07:52,009 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: no settings was sufficient at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:785) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:549) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:397) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 14:07:52,013 INFO L158 Benchmark]: Toolchain (without parser) took 32221.85ms. Allocated memory was 86.0MB in the beginning and 136.3MB in the end (delta: 50.3MB). Free memory was 49.2MB in the beginning and 60.9MB in the end (delta: -11.7MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2021-11-23 14:07:52,014 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 86.0MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:07:52,014 INFO L158 Benchmark]: CACSL2BoogieTranslator took 505.12ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 49.0MB in the beginning and 84.7MB in the end (delta: -35.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 14:07:52,014 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.46ms. Allocated memory is still 113.2MB. Free memory was 84.7MB in the beginning and 82.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 14:07:52,015 INFO L158 Benchmark]: Boogie Preprocessor took 43.69ms. Allocated memory is still 113.2MB. Free memory was 82.6MB in the beginning and 81.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:07:52,015 INFO L158 Benchmark]: RCFGBuilder took 340.96ms. Allocated memory is still 113.2MB. Free memory was 81.0MB in the beginning and 69.1MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 14:07:52,016 INFO L158 Benchmark]: BuchiAutomizer took 31253.61ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 69.1MB in the beginning and 60.9MB in the end (delta: 8.2MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2021-11-23 14:07:52,018 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 86.0MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 505.12ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 49.0MB in the beginning and 84.7MB in the end (delta: -35.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.46ms. Allocated memory is still 113.2MB. Free memory was 84.7MB in the beginning and 82.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.69ms. Allocated memory is still 113.2MB. Free memory was 82.6MB in the beginning and 81.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 340.96ms. Allocated memory is still 113.2MB. Free memory was 81.0MB in the beginning and 69.1MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 31253.61ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 69.1MB in the beginning and 60.9MB in the end (delta: 8.2MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: no settings was sufficient de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: no settings was sufficient: de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:785) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 14:07:52,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2021-11-23 14:07:52,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93e509-7862-42e4-ab38-2c9666ee35ac/bin/uautomizer-wIGwrQj20G/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: no settings was sufficient