./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/reducercommutativity/sep.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/reducercommutativity/sep.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 54d2da4a9e5a645ffa7361038eff25cc32e29a265e0324de9bda9a6d773becac ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:09:05,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:09:05,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:09:05,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:09:05,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:09:05,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:09:05,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:09:05,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:09:05,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:09:05,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:09:05,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:09:05,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:09:05,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:09:05,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:09:05,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:09:05,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:09:05,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:09:05,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:09:05,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:09:05,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:09:05,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:09:05,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:09:05,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:09:05,108 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:09:05,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:09:05,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:09:05,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:09:05,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:09:05,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:09:05,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:09:05,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:09:05,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:09:05,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:09:05,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:09:05,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:09:05,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:09:05,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:09:05,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:09:05,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:09:05,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:09:05,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:09:05,126 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 20:09:05,160 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:09:05,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:09:05,164 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:09:05,164 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:09:05,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:09:05,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:09:05,167 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:09:05,167 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 20:09:05,167 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 20:09:05,167 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 20:09:05,168 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 20:09:05,169 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 20:09:05,169 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 20:09:05,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:09:05,169 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:09:05,170 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:09:05,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:09:05,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:09:05,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:09:05,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 20:09:05,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 20:09:05,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 20:09:05,171 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:09:05,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:09:05,172 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 20:09:05,172 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:09:05,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 20:09:05,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:09:05,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:09:05,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:09:05,175 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:09:05,175 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:09:05,176 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 20:09:05,177 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_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54d2da4a9e5a645ffa7361038eff25cc32e29a265e0324de9bda9a6d773becac [2021-10-21 20:09:05,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:09:05,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:09:05,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:09:05,488 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:09:05,489 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:09:05,490 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/reducercommutativity/sep.i [2021-10-21 20:09:05,575 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/data/184d603f1/e4b751f0bb7f44b986ec6ac2e5f16644/FLAGea3528d53 [2021-10-21 20:09:05,994 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:09:05,995 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/sv-benchmarks/c/reducercommutativity/sep.i [2021-10-21 20:09:06,007 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/data/184d603f1/e4b751f0bb7f44b986ec6ac2e5f16644/FLAGea3528d53 [2021-10-21 20:09:06,357 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/data/184d603f1/e4b751f0bb7f44b986ec6ac2e5f16644 [2021-10-21 20:09:06,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:09:06,361 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:09:06,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:09:06,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:09:06,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:09:06,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:09:06" (1/1) ... [2021-10-21 20:09:06,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37a3865d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:06, skipping insertion in model container [2021-10-21 20:09:06,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:09:06" (1/1) ... [2021-10-21 20:09:06,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:09:06,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:09:06,626 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/sv-benchmarks/c/reducercommutativity/sep.i[1298,1311] [2021-10-21 20:09:06,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:09:06,646 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:09:06,690 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/sv-benchmarks/c/reducercommutativity/sep.i[1298,1311] [2021-10-21 20:09:06,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:09:06,709 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:09:06,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:06 WrapperNode [2021-10-21 20:09:06,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:09:06,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:09:06,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:09:06,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:09:06,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:06" (1/1) ... [2021-10-21 20:09:06,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:06" (1/1) ... [2021-10-21 20:09:06,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:09:06,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:09:06,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:09:06,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:09:06,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:06" (1/1) ... [2021-10-21 20:09:06,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:06" (1/1) ... [2021-10-21 20:09:06,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:06" (1/1) ... [2021-10-21 20:09:06,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:06" (1/1) ... [2021-10-21 20:09:06,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:06" (1/1) ... [2021-10-21 20:09:06,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:06" (1/1) ... [2021-10-21 20:09:06,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:06" (1/1) ... [2021-10-21 20:09:06,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:09:06,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:09:06,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:09:06,824 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:09:06,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:06" (1/1) ... [2021-10-21 20:09:06,832 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:06,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:06,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:06,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 20:09:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:09:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:09:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 20:09:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:09:06,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:09:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 20:09:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 20:09:07,224 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:09:07,224 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-21 20:09:07,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:09:07 BoogieIcfgContainer [2021-10-21 20:09:07,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:09:07,227 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 20:09:07,227 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 20:09:07,231 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 20:09:07,232 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:09:07,232 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 08:09:06" (1/3) ... [2021-10-21 20:09:07,234 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@af11a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:09:07, skipping insertion in model container [2021-10-21 20:09:07,234 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:09:07,234 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:06" (2/3) ... [2021-10-21 20:09:07,235 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@af11a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:09:07, skipping insertion in model container [2021-10-21 20:09:07,235 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:09:07,235 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:09:07" (3/3) ... [2021-10-21 20:09:07,236 INFO L389 chiAutomizerObserver]: Analyzing ICFG sep.i [2021-10-21 20:09:07,299 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 20:09:07,313 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 20:09:07,314 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 20:09:07,314 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 20:09:07,314 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 20:09:07,314 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 20:09:07,314 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 20:09:07,314 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 20:09:07,329 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.5) internal successors, (39), 26 states have internal predecessors, (39), 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) [2021-10-21 20:09:07,349 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-10-21 20:09:07,349 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:09:07,349 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:09:07,355 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-21 20:09:07,355 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 20:09:07,355 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 20:09:07,356 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.5) internal successors, (39), 26 states have internal predecessors, (39), 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) [2021-10-21 20:09:07,360 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2021-10-21 20:09:07,360 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:09:07,360 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:09:07,360 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-21 20:09:07,361 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 20:09:07,381 INFO L791 eck$LassoCheckResult]: Stem: 17#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(101, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(112, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 9#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 21#L34true assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 23#L20-3true [2021-10-21 20:09:07,383 INFO L793 eck$LassoCheckResult]: Loop: 23#L20-3true assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 15#L22true assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 16#L20-2true sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 23#L20-3true [2021-10-21 20:09:07,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:07,406 INFO L82 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-10-21 20:09:07,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:07,416 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867905000] [2021-10-21 20:09:07,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:07,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:07,521 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:07,566 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:07,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:07,569 INFO L82 PathProgramCache]: Analyzing trace with hash 42800, now seen corresponding path program 1 times [2021-10-21 20:09:07,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:07,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837771634] [2021-10-21 20:09:07,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:07,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:07,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:07,589 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:07,604 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:07,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:07,606 INFO L82 PathProgramCache]: Analyzing trace with hash 889512687, now seen corresponding path program 1 times [2021-10-21 20:09:07,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:07,607 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800757115] [2021-10-21 20:09:07,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:07,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:07,660 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:07,702 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:08,643 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:09:08,644 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:09:08,644 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:09:08,644 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:09:08,644 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:09:08,645 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:08,645 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:09:08,645 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:09:08,645 INFO L133 ssoRankerPreferences]: Filename of dumped script: sep.i_Iteration1_Lasso [2021-10-21 20:09:08,646 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:09:08,646 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:09:08,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:08,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:08,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:08,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:08,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:08,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:08,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:08,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:08,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:08,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:08,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:08,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:08,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:08,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:09,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:09,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:09,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:09,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:09,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:09,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:09,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:09,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:09,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:09,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:09,639 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:09:09,643 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:09:09,645 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:09,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:09,649 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:09,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 20:09:09,654 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 [2021-10-21 20:09:09,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:09,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:09,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:09,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:09,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:09,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:09,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:09,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:09,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:09,721 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:09,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:09,723 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:09,728 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 [2021-10-21 20:09:09,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:09,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:09,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:09,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:09,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:09,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:09,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:09,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 20:09:09,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:09,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:09,790 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:09,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:09,791 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:09,798 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 [2021-10-21 20:09:09,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:09,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:09,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:09,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:09,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:09,809 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:09,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:09,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 20:09:09,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:09,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:09,847 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:09,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:09,848 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:09,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 20:09:09,850 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 [2021-10-21 20:09:09,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:09,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:09,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:09,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:09,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:09,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:09,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:09,877 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:09,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-10-21 20:09:09,896 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:09,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:09,899 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:09,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 20:09:09,913 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 [2021-10-21 20:09:09,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:09,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:09,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:09,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:09,924 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:09,924 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:09,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:09,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:09,980 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:09,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:09,982 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:09,994 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 [2021-10-21 20:09:10,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:10,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:10,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:10,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:10,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:10,004 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:10,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:10,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 20:09:10,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:10,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:10,059 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:10,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:10,060 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:10,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 20:09:10,064 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 [2021-10-21 20:09:10,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:10,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:10,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:10,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:10,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:10,075 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:10,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:10,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:10,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:10,138 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:10,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:10,142 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:10,150 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 [2021-10-21 20:09:10,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:10,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:10,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:10,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:10,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:10,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 20:09:10,162 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:10,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:10,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:10,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:10,199 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:10,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:10,202 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:10,210 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 [2021-10-21 20:09:10,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:10,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:10,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:10,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:10,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:10,220 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:10,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:10,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 20:09:10,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:10,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:10,270 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:10,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:10,272 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:10,281 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 [2021-10-21 20:09:10,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:10,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:10,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:10,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:10,299 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:10,299 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:10,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 20:09:10,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:10,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:10,346 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:10,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:10,347 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:10,353 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 [2021-10-21 20:09:10,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 20:09:10,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:10,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:10,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:10,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:10,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:10,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:10,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:10,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:10,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:10,421 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:10,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:10,422 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:10,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 20:09:10,425 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 [2021-10-21 20:09:10,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:10,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:10,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:10,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:10,434 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:10,434 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:10,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:10,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:10,476 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:10,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:10,477 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:10,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 20:09:10,478 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 [2021-10-21 20:09:10,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:10,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:10,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:10,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:10,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:10,486 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:10,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:10,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:10,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:10,513 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:10,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:10,514 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:10,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 20:09:10,516 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 [2021-10-21 20:09:10,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:10,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:10,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:10,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:10,526 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:10,526 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:10,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:10,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:10,570 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:10,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:10,571 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:10,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 20:09:10,573 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 [2021-10-21 20:09:10,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:10,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:10,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:10,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:10,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:10,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:10,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:10,606 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:10,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:10,639 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:10,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:10,642 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:10,650 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 [2021-10-21 20:09:10,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:10,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:10,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:10,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:10,662 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:10,663 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:10,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 20:09:10,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:10,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:10,718 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:10,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:10,722 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:10,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-21 20:09:10,728 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 [2021-10-21 20:09:10,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:10,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:10,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:10,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:10,751 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:10,751 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:10,777 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:09:10,827 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-10-21 20:09:10,827 INFO L444 ModelExtractionUtils]: 17 out of 31 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-10-21 20:09:10,829 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:10,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:10,831 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:10,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-21 20:09:10,870 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:09:10,898 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 20:09:10,898 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:09:10,899 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sep_~x.offset, ULTIMATE.start_sep_~i~0, v_rep(select #length ULTIMATE.start_main_~#x~0.base)_1) = -1*ULTIMATE.start_sep_~x.offset - 4*ULTIMATE.start_sep_~i~0 + 1*v_rep(select #length ULTIMATE.start_main_~#x~0.base)_1 Supporting invariants [] [2021-10-21 20:09:10,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:11,094 INFO L297 tatePredicateManager]: 37 out of 38 supporting invariants were superfluous and have been removed [2021-10-21 20:09:11,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:11,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 20:09:11,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:09:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:11,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 20:09:11,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:09:11,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:09:11,233 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 20:09:11,234 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 27 states, 26 states have (on average 1.5) internal successors, (39), 26 states have internal predecessors, (39), 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 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2021-10-21 20:09:11,296 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 27 states, 26 states have (on average 1.5) internal successors, (39), 26 states have internal predecessors, (39), 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 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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 57 states and 81 transitions. Complement of second has 8 states. [2021-10-21 20:09:11,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 20:09:11,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2021-10-21 20:09:11,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2021-10-21 20:09:11,301 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 3 letters. Loop has 3 letters. [2021-10-21 20:09:11,302 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:09:11,302 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 6 letters. Loop has 3 letters. [2021-10-21 20:09:11,302 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:09:11,302 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 3 letters. Loop has 6 letters. [2021-10-21 20:09:11,303 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:09:11,303 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 81 transitions. [2021-10-21 20:09:11,308 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-21 20:09:11,311 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 20 states and 29 transitions. [2021-10-21 20:09:11,312 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-21 20:09:11,313 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-21 20:09:11,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 29 transitions. [2021-10-21 20:09:11,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:09:11,314 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2021-10-21 20:09:11,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 29 transitions. [2021-10-21 20:09:11,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-10-21 20:09:11,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 states have internal predecessors, (29), 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) [2021-10-21 20:09:11,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. [2021-10-21 20:09:11,339 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2021-10-21 20:09:11,339 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2021-10-21 20:09:11,339 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 20:09:11,339 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 29 transitions. [2021-10-21 20:09:11,340 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-21 20:09:11,340 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:09:11,340 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:09:11,341 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-21 20:09:11,341 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 20:09:11,341 INFO L791 eck$LassoCheckResult]: Stem: 287#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(101, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(112, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 288#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 300#L34 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 305#L20-3 assume !(sep_~i~0 < ~N~0); 302#L20-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 291#L27 main_#t~ret8 := sep_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 292#L20-8 [2021-10-21 20:09:11,342 INFO L793 eck$LassoCheckResult]: Loop: 292#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 293#L22-2 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 301#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 292#L20-8 [2021-10-21 20:09:11,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:11,342 INFO L82 PathProgramCache]: Analyzing trace with hash 889511019, now seen corresponding path program 1 times [2021-10-21 20:09:11,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:11,343 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670233577] [2021-10-21 20:09:11,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:11,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:11,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:09:11,399 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:09:11,399 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670233577] [2021-10-21 20:09:11,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670233577] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:09:11,400 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:09:11,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:09:11,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737423002] [2021-10-21 20:09:11,403 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:09:11,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:11,404 INFO L82 PathProgramCache]: Analyzing trace with hash 63653, now seen corresponding path program 1 times [2021-10-21 20:09:11,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:11,404 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374587886] [2021-10-21 20:09:11,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:11,405 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:11,413 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:11,422 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:11,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:09:11,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:09:11,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:09:11,485 INFO L87 Difference]: Start difference. First operand 20 states and 29 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2021-10-21 20:09:11,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:09:11,518 INFO L93 Difference]: Finished difference Result 22 states and 29 transitions. [2021-10-21 20:09:11,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:09:11,519 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 29 transitions. [2021-10-21 20:09:11,527 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-21 20:09:11,528 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 29 transitions. [2021-10-21 20:09:11,528 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-21 20:09:11,529 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-21 20:09:11,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 29 transitions. [2021-10-21 20:09:11,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:09:11,530 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 29 transitions. [2021-10-21 20:09:11,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 29 transitions. [2021-10-21 20:09:11,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2021-10-21 20:09:11,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 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) [2021-10-21 20:09:11,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2021-10-21 20:09:11,533 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-10-21 20:09:11,533 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-10-21 20:09:11,533 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 20:09:11,533 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2021-10-21 20:09:11,535 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-21 20:09:11,535 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:09:11,535 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:09:11,535 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:09:11,536 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 20:09:11,536 INFO L791 eck$LassoCheckResult]: Stem: 337#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(101, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(112, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 338#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 349#L34 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 353#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 351#L22 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 352#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 354#L20-3 assume !(sep_~i~0 < ~N~0); 350#L20-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 339#L27 main_#t~ret8 := sep_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 340#L20-8 [2021-10-21 20:09:11,536 INFO L793 eck$LassoCheckResult]: Loop: 340#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 341#L22-2 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 348#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 340#L20-8 [2021-10-21 20:09:11,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:11,537 INFO L82 PathProgramCache]: Analyzing trace with hash -473899520, now seen corresponding path program 1 times [2021-10-21 20:09:11,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:11,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413819601] [2021-10-21 20:09:11,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:11,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:11,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:09:11,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:09:11,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413819601] [2021-10-21 20:09:11,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413819601] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:09:11,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2061182674] [2021-10-21 20:09:11,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:11,603 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:09:11,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:11,604 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:09:11,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-10-21 20:09:11,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:11,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:09:11,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:09:11,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:09:11,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2061182674] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:09:11,740 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:09:11,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-10-21 20:09:11,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307507528] [2021-10-21 20:09:11,741 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:09:11,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:11,742 INFO L82 PathProgramCache]: Analyzing trace with hash 63653, now seen corresponding path program 2 times [2021-10-21 20:09:11,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:11,742 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747120537] [2021-10-21 20:09:11,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:11,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:11,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:11,749 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:11,757 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:11,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:09:11,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 20:09:11,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:09:11,864 INFO L87 Difference]: Start difference. First operand 20 states and 26 transitions. cyclomatic complexity: 10 Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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) [2021-10-21 20:09:11,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:11,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:09:11,925 INFO L93 Difference]: Finished difference Result 25 states and 33 transitions. [2021-10-21 20:09:11,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:09:11,925 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 33 transitions. [2021-10-21 20:09:11,928 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-21 20:09:11,930 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 25 states and 33 transitions. [2021-10-21 20:09:11,930 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-21 20:09:11,930 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-21 20:09:11,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 33 transitions. [2021-10-21 20:09:11,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:09:11,931 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-10-21 20:09:11,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 33 transitions. [2021-10-21 20:09:11,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2021-10-21 20:09:11,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 22 states have internal predecessors, (30), 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) [2021-10-21 20:09:11,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions. [2021-10-21 20:09:11,938 INFO L704 BuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2021-10-21 20:09:11,939 INFO L587 BuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2021-10-21 20:09:11,939 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-21 20:09:11,939 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 30 transitions. [2021-10-21 20:09:11,940 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-21 20:09:11,940 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:09:11,940 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:09:11,941 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-10-21 20:09:11,941 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 20:09:11,941 INFO L791 eck$LassoCheckResult]: Stem: 413#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(101, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(112, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 414#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 426#L34 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 431#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 432#L22 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 434#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 433#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 429#L22 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 430#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 435#L20-3 assume !(sep_~i~0 < ~N~0); 428#L20-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 417#L27 main_#t~ret8 := sep_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 418#L20-8 [2021-10-21 20:09:11,942 INFO L793 eck$LassoCheckResult]: Loop: 418#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 419#L22-2 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 427#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 418#L20-8 [2021-10-21 20:09:11,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:11,944 INFO L82 PathProgramCache]: Analyzing trace with hash -331548597, now seen corresponding path program 2 times [2021-10-21 20:09:11,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:11,944 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111690044] [2021-10-21 20:09:11,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:11,945 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:12,033 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:12,069 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:12,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:12,070 INFO L82 PathProgramCache]: Analyzing trace with hash 63653, now seen corresponding path program 3 times [2021-10-21 20:09:12,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:12,071 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512117393] [2021-10-21 20:09:12,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:12,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:12,077 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:12,084 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:12,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:12,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1260561435, now seen corresponding path program 1 times [2021-10-21 20:09:12,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:12,086 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745760238] [2021-10-21 20:09:12,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:12,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:12,487 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:09:12,487 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:09:12,487 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745760238] [2021-10-21 20:09:12,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745760238] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:09:12,489 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001736223] [2021-10-21 20:09:12,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:12,490 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:09:12,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:12,491 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:09:12,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-10-21 20:09:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:12,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-10-21 20:09:12,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:09:12,765 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-21 20:09:12,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 26 [2021-10-21 20:09:12,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-10-21 20:09:12,830 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:09:12,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001736223] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:09:12,830 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:09:12,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2021-10-21 20:09:12,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457625975] [2021-10-21 20:09:12,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:09:12,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 20:09:12,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:09:12,890 INFO L87 Difference]: Start difference. First operand 23 states and 30 transitions. cyclomatic complexity: 11 Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 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) [2021-10-21 20:09:13,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:09:13,293 INFO L93 Difference]: Finished difference Result 67 states and 89 transitions. [2021-10-21 20:09:13,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 20:09:13,293 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 89 transitions. [2021-10-21 20:09:13,295 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 18 [2021-10-21 20:09:13,297 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 67 states and 89 transitions. [2021-10-21 20:09:13,297 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 55 [2021-10-21 20:09:13,297 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 55 [2021-10-21 20:09:13,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 67 states and 89 transitions. [2021-10-21 20:09:13,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:09:13,298 INFO L681 BuchiCegarLoop]: Abstraction has 67 states and 89 transitions. [2021-10-21 20:09:13,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states and 89 transitions. [2021-10-21 20:09:13,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 31. [2021-10-21 20:09:13,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 30 states have internal predecessors, (42), 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) [2021-10-21 20:09:13,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2021-10-21 20:09:13,308 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 42 transitions. [2021-10-21 20:09:13,308 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 42 transitions. [2021-10-21 20:09:13,308 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-21 20:09:13,308 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 42 transitions. [2021-10-21 20:09:13,309 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-21 20:09:13,309 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:09:13,309 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:09:13,310 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:09:13,310 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 20:09:13,310 INFO L791 eck$LassoCheckResult]: Stem: 568#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(101, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(112, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 569#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 581#L34 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 586#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 588#L22 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 591#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 589#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 590#L22 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 596#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 594#L20-3 assume !(sep_~i~0 < ~N~0); 593#L20-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 570#L27 main_#t~ret8 := sep_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 571#L20-8 [2021-10-21 20:09:13,310 INFO L793 eck$LassoCheckResult]: Loop: 571#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 572#L22-2 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 580#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 571#L20-8 [2021-10-21 20:09:13,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:13,311 INFO L82 PathProgramCache]: Analyzing trace with hash -333395639, now seen corresponding path program 1 times [2021-10-21 20:09:13,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:13,311 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381342260] [2021-10-21 20:09:13,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:13,312 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:13,356 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:13,395 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:13,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:13,396 INFO L82 PathProgramCache]: Analyzing trace with hash 63653, now seen corresponding path program 4 times [2021-10-21 20:09:13,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:13,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509658379] [2021-10-21 20:09:13,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:13,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:13,403 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:13,412 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:13,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:13,413 INFO L82 PathProgramCache]: Analyzing trace with hash 2069908061, now seen corresponding path program 1 times [2021-10-21 20:09:13,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:13,413 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273584629] [2021-10-21 20:09:13,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:13,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:13,457 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:13,494 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:14,688 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:09:14,688 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:09:14,688 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:09:14,688 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:09:14,688 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:09:14,688 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:14,689 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:09:14,689 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:09:14,689 INFO L133 ssoRankerPreferences]: Filename of dumped script: sep.i_Iteration5_Lasso [2021-10-21 20:09:14,689 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:09:14,689 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:09:14,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:14,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:14,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:14,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:14,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:14,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:14,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:14,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:14,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:14,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:14,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:14,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:14,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:14,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:14,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:14,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:14,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:14,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:14,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:14,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:14,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:14,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:15,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:15,617 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:09:15,620 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:09:15,620 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:15,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:15,643 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:15,650 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 [2021-10-21 20:09:15,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:15,659 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:15,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:15,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:15,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:15,660 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:15,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:15,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-21 20:09:15,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:15,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:15,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:15,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:15,706 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:15,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-21 20:09:15,707 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 [2021-10-21 20:09:15,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:15,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:15,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:15,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:15,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:15,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:15,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:15,729 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:15,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:15,762 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:15,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:15,764 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:15,775 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 [2021-10-21 20:09:15,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-21 20:09:15,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:15,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:15,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:15,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:15,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:15,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:15,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:15,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:15,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-10-21 20:09:15,829 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:15,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:15,830 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:15,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-21 20:09:15,834 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 [2021-10-21 20:09:15,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:15,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:15,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:15,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:15,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:15,843 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:15,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:15,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:15,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:15,863 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:15,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:15,864 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:15,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-21 20:09:15,865 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 [2021-10-21 20:09:15,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:15,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:15,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:15,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:15,874 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:15,874 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:15,889 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:15,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-10-21 20:09:15,909 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:15,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:15,909 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:15,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-21 20:09:15,911 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 [2021-10-21 20:09:15,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:15,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:15,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:15,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:15,920 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:15,920 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:15,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:15,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:15,977 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:15,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:15,978 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:15,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-21 20:09:15,984 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 [2021-10-21 20:09:15,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:15,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:15,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:15,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:15,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:15,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:15,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:15,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:16,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-10-21 20:09:16,013 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:16,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:16,014 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:16,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-21 20:09:16,016 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 [2021-10-21 20:09:16,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:16,023 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:16,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:16,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:16,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:16,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:16,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:16,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:16,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:16,045 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:16,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:16,046 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:16,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-21 20:09:16,047 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 [2021-10-21 20:09:16,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:16,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:16,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:16,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:16,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:16,055 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:16,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:16,077 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:16,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:16,109 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:16,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:16,110 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:16,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-21 20:09:16,112 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 [2021-10-21 20:09:16,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:16,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:16,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:16,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:16,122 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:16,122 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:16,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:16,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:16,162 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:16,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:16,162 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:16,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-21 20:09:16,164 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 [2021-10-21 20:09:16,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:16,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:16,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:16,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:16,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:16,172 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:16,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:16,173 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:16,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:16,193 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:16,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:16,193 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:16,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-21 20:09:16,195 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 [2021-10-21 20:09:16,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:16,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:16,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:16,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:16,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:16,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:16,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:16,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:16,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-10-21 20:09:16,224 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:16,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:16,224 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:16,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-21 20:09:16,226 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 [2021-10-21 20:09:16,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:16,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:16,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:16,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:16,236 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:16,236 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:16,238 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:16,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:16,258 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:16,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:16,259 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:16,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-21 20:09:16,260 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 [2021-10-21 20:09:16,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:16,267 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:16,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:16,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:16,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:16,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:16,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:16,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:16,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:16,288 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:16,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:16,290 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:16,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-21 20:09:16,292 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 [2021-10-21 20:09:16,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:16,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:16,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:16,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:16,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:16,300 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:16,300 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:16,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:16,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-10-21 20:09:16,322 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:16,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:16,323 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:16,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-21 20:09:16,324 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 [2021-10-21 20:09:16,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:16,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:16,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:16,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:16,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:16,331 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:16,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:16,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:16,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:16,355 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:16,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:16,358 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:16,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-21 20:09:16,359 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 [2021-10-21 20:09:16,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:16,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:16,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:16,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:16,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:16,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:16,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:16,368 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:16,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:16,388 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:16,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:16,389 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:16,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-21 20:09:16,391 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 [2021-10-21 20:09:16,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:16,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:16,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:16,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:16,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:16,398 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:16,398 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:16,426 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:16,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-10-21 20:09:16,472 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:16,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:16,474 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:16,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-21 20:09:16,483 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 [2021-10-21 20:09:16,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:16,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:16,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:16,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:16,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:16,491 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:16,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:16,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:16,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-10-21 20:09:16,512 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:16,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:16,513 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:16,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-21 20:09:16,514 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 [2021-10-21 20:09:16,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:16,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:16,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:16,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:16,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:16,522 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:16,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:16,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:16,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:16,546 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:16,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:16,547 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:16,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-21 20:09:16,548 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 [2021-10-21 20:09:16,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:16,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:16,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:16,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:16,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:16,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:16,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:16,576 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:16,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:16,595 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:16,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:16,596 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:16,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-21 20:09:16,597 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 [2021-10-21 20:09:16,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:16,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:16,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:16,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:16,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:16,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:16,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:16,605 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:16,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:16,628 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:16,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:16,629 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:16,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-21 20:09:16,630 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 [2021-10-21 20:09:16,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:16,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:16,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:16,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:16,639 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:16,639 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:16,642 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:16,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-10-21 20:09:16,662 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:16,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:16,663 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:16,664 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 [2021-10-21 20:09:16,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:16,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:16,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:16,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:16,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:16,674 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:16,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:16,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-21 20:09:16,696 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:16,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:16,731 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:16,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:16,732 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:16,734 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 [2021-10-21 20:09:16,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:16,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:16,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:16,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:16,746 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:16,746 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:16,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-21 20:09:16,762 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:16,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-10-21 20:09:16,786 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:16,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:16,787 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:16,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-21 20:09:16,789 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 [2021-10-21 20:09:16,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:16,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:16,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:16,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:16,806 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:16,806 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:16,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:16,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:16,831 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:16,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:16,831 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:16,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-21 20:09:16,833 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 [2021-10-21 20:09:16,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:16,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:16,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:16,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:16,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:16,842 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:16,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:16,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:16,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-10-21 20:09:16,862 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:16,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:16,863 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:16,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-21 20:09:16,864 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 [2021-10-21 20:09:16,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:16,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:16,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:16,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:16,877 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:16,878 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:16,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:16,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-10-21 20:09:16,912 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:16,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:16,914 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:16,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-21 20:09:16,916 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 [2021-10-21 20:09:16,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:16,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:16,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:16,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:16,925 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:16,925 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:16,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:16,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:16,949 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:16,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:16,950 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:16,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-21 20:09:16,951 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 [2021-10-21 20:09:16,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:16,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:16,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:16,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:16,966 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:16,966 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:16,979 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:09:17,002 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-10-21 20:09:17,003 INFO L444 ModelExtractionUtils]: 13 out of 31 variables were initially zero. Simplification set additionally 15 variables to zero. [2021-10-21 20:09:17,003 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:17,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:17,018 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:17,020 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:09:17,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-21 20:09:17,047 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 20:09:17,047 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:09:17,047 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, ULTIMATE.start_sep_~i~0) = 1*~N~0 - 1*ULTIMATE.start_sep_~i~0 Supporting invariants [] [2021-10-21 20:09:17,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:17,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:17,297 INFO L297 tatePredicateManager]: 55 out of 55 supporting invariants were superfluous and have been removed [2021-10-21 20:09:17,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:17,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:17,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:09:17,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:09:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:17,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:09:17,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:09:17,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:09:17,397 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 20:09:17,397 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 42 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2021-10-21 20:09:17,417 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 42 transitions. cyclomatic complexity: 16. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) Result 40 states and 58 transitions. Complement of second has 7 states. [2021-10-21 20:09:17,417 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 [2021-10-21 20:09:17,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2021-10-21 20:09:17,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2021-10-21 20:09:17,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 12 letters. Loop has 3 letters. [2021-10-21 20:09:17,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:09:17,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 15 letters. Loop has 3 letters. [2021-10-21 20:09:17,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:09:17,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 12 letters. Loop has 6 letters. [2021-10-21 20:09:17,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:09:17,419 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 58 transitions. [2021-10-21 20:09:17,420 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-21 20:09:17,420 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 32 states and 44 transitions. [2021-10-21 20:09:17,421 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-21 20:09:17,421 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-10-21 20:09:17,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 44 transitions. [2021-10-21 20:09:17,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:09:17,422 INFO L681 BuchiCegarLoop]: Abstraction has 32 states and 44 transitions. [2021-10-21 20:09:17,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 44 transitions. [2021-10-21 20:09:17,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-10-21 20:09:17,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.375) internal successors, (44), 31 states have internal predecessors, (44), 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) [2021-10-21 20:09:17,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 44 transitions. [2021-10-21 20:09:17,425 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 44 transitions. [2021-10-21 20:09:17,425 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 44 transitions. [2021-10-21 20:09:17,425 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-21 20:09:17,425 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 44 transitions. [2021-10-21 20:09:17,426 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-21 20:09:17,426 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:09:17,426 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:09:17,427 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:09:17,427 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:09:17,427 INFO L791 eck$LassoCheckResult]: Stem: 928#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(101, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(112, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 929#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 942#L34 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 946#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 944#L22 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 945#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 947#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 948#L22 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 956#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 952#L20-3 assume !(sep_~i~0 < ~N~0); 951#L20-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 950#L27 main_#t~ret8 := sep_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 949#L20-8 assume !(sep_~i~0 < ~N~0); 926#L20-9 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 927#L27-1 main_#t~ret11 := sep_#res;main_~ret2~0 := main_#t~ret11;havoc main_#t~ret11;call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem12;havoc main_#t~mem12;main_~i~1 := 0; 936#L46-3 [2021-10-21 20:09:17,428 INFO L793 eck$LassoCheckResult]: Loop: 936#L46-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem14 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem14, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem14; 935#L46-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 936#L46-3 [2021-10-21 20:09:17,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:17,428 INFO L82 PathProgramCache]: Analyzing trace with hash 2069906393, now seen corresponding path program 1 times [2021-10-21 20:09:17,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:17,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676210067] [2021-10-21 20:09:17,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:17,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:17,460 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-21 20:09:17,461 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:09:17,461 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676210067] [2021-10-21 20:09:17,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676210067] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:09:17,461 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:09:17,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:09:17,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119914722] [2021-10-21 20:09:17,462 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:09:17,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:17,462 INFO L82 PathProgramCache]: Analyzing trace with hash 2723, now seen corresponding path program 1 times [2021-10-21 20:09:17,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:17,463 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624679551] [2021-10-21 20:09:17,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:17,463 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:17,466 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:17,470 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:17,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:09:17,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:09:17,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:09:17,530 INFO L87 Difference]: Start difference. First operand 32 states and 44 transitions. cyclomatic complexity: 17 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) [2021-10-21 20:09:17,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:09:17,560 INFO L93 Difference]: Finished difference Result 37 states and 49 transitions. [2021-10-21 20:09:17,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:09:17,561 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 49 transitions. [2021-10-21 20:09:17,561 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-21 20:09:17,562 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 37 states and 49 transitions. [2021-10-21 20:09:17,562 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2021-10-21 20:09:17,562 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2021-10-21 20:09:17,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 49 transitions. [2021-10-21 20:09:17,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:09:17,563 INFO L681 BuchiCegarLoop]: Abstraction has 37 states and 49 transitions. [2021-10-21 20:09:17,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 49 transitions. [2021-10-21 20:09:17,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 32. [2021-10-21 20:09:17,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.3125) internal successors, (42), 31 states have internal predecessors, (42), 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) [2021-10-21 20:09:17,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 42 transitions. [2021-10-21 20:09:17,566 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 42 transitions. [2021-10-21 20:09:17,566 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 42 transitions. [2021-10-21 20:09:17,566 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-21 20:09:17,567 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 42 transitions. [2021-10-21 20:09:17,567 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-21 20:09:17,567 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:09:17,567 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:09:17,568 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:09:17,568 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:09:17,568 INFO L791 eck$LassoCheckResult]: Stem: 1002#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(101, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(112, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 1003#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 1017#L34 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 1023#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1024#L22 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1027#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1025#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1026#L22 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 1033#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1031#L20-3 assume !(sep_~i~0 < ~N~0); 1030#L20-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 1029#L27 main_#t~ret8 := sep_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 1008#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1009#L22-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1019#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1010#L20-8 assume !(sep_~i~0 < ~N~0); 1004#L20-9 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 1005#L27-1 main_#t~ret11 := sep_#res;main_~ret2~0 := main_#t~ret11;havoc main_#t~ret11;call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem12;havoc main_#t~mem12;main_~i~1 := 0; 1012#L46-3 [2021-10-21 20:09:17,569 INFO L793 eck$LassoCheckResult]: Loop: 1012#L46-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem14 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem14, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem14; 1011#L46-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 1012#L46-3 [2021-10-21 20:09:17,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:17,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1787455815, now seen corresponding path program 1 times [2021-10-21 20:09:17,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:17,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603787907] [2021-10-21 20:09:17,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:17,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:17,609 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-21 20:09:17,609 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:09:17,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603787907] [2021-10-21 20:09:17,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603787907] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:09:17,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776613267] [2021-10-21 20:09:17,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:17,610 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:09:17,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:17,614 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:09:17,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2021-10-21 20:09:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:17,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:09:17,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:09:17,795 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-21 20:09:17,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776613267] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:09:17,795 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:09:17,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-10-21 20:09:17,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488564860] [2021-10-21 20:09:17,796 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:09:17,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:17,797 INFO L82 PathProgramCache]: Analyzing trace with hash 2723, now seen corresponding path program 2 times [2021-10-21 20:09:17,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:17,797 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078027771] [2021-10-21 20:09:17,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:17,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:17,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:17,803 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:17,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:17,811 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:17,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:09:17,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 20:09:17,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:09:17,865 INFO L87 Difference]: Start difference. First operand 32 states and 42 transitions. cyclomatic complexity: 15 Second operand has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 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) [2021-10-21 20:09:17,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:09:17,922 INFO L93 Difference]: Finished difference Result 45 states and 59 transitions. [2021-10-21 20:09:17,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 20:09:17,922 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 59 transitions. [2021-10-21 20:09:17,924 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-21 20:09:17,925 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 59 transitions. [2021-10-21 20:09:17,925 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-10-21 20:09:17,925 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-10-21 20:09:17,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 59 transitions. [2021-10-21 20:09:17,926 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:09:17,926 INFO L681 BuchiCegarLoop]: Abstraction has 45 states and 59 transitions. [2021-10-21 20:09:17,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 59 transitions. [2021-10-21 20:09:17,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 35. [2021-10-21 20:09:17,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 34 states have internal predecessors, (46), 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) [2021-10-21 20:09:17,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 46 transitions. [2021-10-21 20:09:17,929 INFO L704 BuchiCegarLoop]: Abstraction has 35 states and 46 transitions. [2021-10-21 20:09:17,929 INFO L587 BuchiCegarLoop]: Abstraction has 35 states and 46 transitions. [2021-10-21 20:09:17,929 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-21 20:09:17,929 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 46 transitions. [2021-10-21 20:09:17,930 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-21 20:09:17,930 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:09:17,930 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:09:17,931 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:09:17,931 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:09:17,931 INFO L791 eck$LassoCheckResult]: Stem: 1142#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(101, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(112, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 1143#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 1158#L34 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 1164#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1162#L22 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1163#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1165#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1166#L22 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 1175#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1171#L20-3 assume !(sep_~i~0 < ~N~0); 1170#L20-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 1146#L27 main_#t~ret8 := sep_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 1147#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1169#L22-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1167#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1150#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1151#L22-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1159#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1168#L20-8 assume !(sep_~i~0 < ~N~0); 1144#L20-9 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 1145#L27-1 main_#t~ret11 := sep_#res;main_~ret2~0 := main_#t~ret11;havoc main_#t~ret11;call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem12;havoc main_#t~mem12;main_~i~1 := 0; 1153#L46-3 [2021-10-21 20:09:17,931 INFO L793 eck$LassoCheckResult]: Loop: 1153#L46-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem14 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem14, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem14; 1152#L46-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 1153#L46-3 [2021-10-21 20:09:17,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:17,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1143219481, now seen corresponding path program 2 times [2021-10-21 20:09:17,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:17,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370396121] [2021-10-21 20:09:17,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:17,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:17,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:18,209 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-21 20:09:18,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:09:18,210 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370396121] [2021-10-21 20:09:18,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370396121] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:09:18,210 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1360079940] [2021-10-21 20:09:18,210 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 20:09:18,210 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:09:18,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:18,214 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:09:18,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2021-10-21 20:09:18,320 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-21 20:09:18,321 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 20:09:18,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 32 conjunts are in the unsatisfiable core [2021-10-21 20:09:18,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:09:18,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2021-10-21 20:09:18,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-10-21 20:09:18,576 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-21 20:09:18,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1360079940] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:09:18,576 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:09:18,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2021-10-21 20:09:18,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705033606] [2021-10-21 20:09:18,577 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:09:18,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:18,577 INFO L82 PathProgramCache]: Analyzing trace with hash 2723, now seen corresponding path program 3 times [2021-10-21 20:09:18,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:18,578 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34710843] [2021-10-21 20:09:18,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:18,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:18,582 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:18,586 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:18,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:09:18,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-21 20:09:18,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-10-21 20:09:18,637 INFO L87 Difference]: Start difference. First operand 35 states and 46 transitions. cyclomatic complexity: 16 Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 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) [2021-10-21 20:09:18,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:09:18,917 INFO L93 Difference]: Finished difference Result 59 states and 76 transitions. [2021-10-21 20:09:18,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 20:09:18,918 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 76 transitions. [2021-10-21 20:09:18,919 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-21 20:09:18,920 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 59 states and 76 transitions. [2021-10-21 20:09:18,920 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2021-10-21 20:09:18,920 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2021-10-21 20:09:18,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 76 transitions. [2021-10-21 20:09:18,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:09:18,921 INFO L681 BuchiCegarLoop]: Abstraction has 59 states and 76 transitions. [2021-10-21 20:09:18,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 76 transitions. [2021-10-21 20:09:18,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 35. [2021-10-21 20:09:18,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 34 states have internal predecessors, (45), 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) [2021-10-21 20:09:18,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 45 transitions. [2021-10-21 20:09:18,924 INFO L704 BuchiCegarLoop]: Abstraction has 35 states and 45 transitions. [2021-10-21 20:09:18,924 INFO L587 BuchiCegarLoop]: Abstraction has 35 states and 45 transitions. [2021-10-21 20:09:18,924 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-21 20:09:18,924 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 45 transitions. [2021-10-21 20:09:18,925 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-21 20:09:18,925 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:09:18,925 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:09:18,926 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:09:18,926 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:09:18,926 INFO L791 eck$LassoCheckResult]: Stem: 1317#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(101, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(112, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 1318#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 1332#L34 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 1337#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1338#L22 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1345#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1339#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1340#L22 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 1336#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1341#L20-3 assume !(sep_~i~0 < ~N~0); 1344#L20-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 1319#L27 main_#t~ret8 := sep_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 1320#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1346#L22-2 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 1342#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1323#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1324#L22-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1331#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1343#L20-8 assume !(sep_~i~0 < ~N~0); 1315#L20-9 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 1316#L27-1 main_#t~ret11 := sep_#res;main_~ret2~0 := main_#t~ret11;havoc main_#t~ret11;call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem12;havoc main_#t~mem12;main_~i~1 := 0; 1326#L46-3 [2021-10-21 20:09:18,926 INFO L793 eck$LassoCheckResult]: Loop: 1326#L46-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem14 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem14, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem14; 1325#L46-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 1326#L46-3 [2021-10-21 20:09:18,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:18,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1952566107, now seen corresponding path program 1 times [2021-10-21 20:09:18,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:18,927 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874612135] [2021-10-21 20:09:18,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:18,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:18,957 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:19,013 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:19,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:19,014 INFO L82 PathProgramCache]: Analyzing trace with hash 2723, now seen corresponding path program 4 times [2021-10-21 20:09:19,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:19,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802995176] [2021-10-21 20:09:19,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:19,015 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:19,019 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:19,023 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:19,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:19,025 INFO L82 PathProgramCache]: Analyzing trace with hash -484677763, now seen corresponding path program 1 times [2021-10-21 20:09:19,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:19,026 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774713674] [2021-10-21 20:09:19,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:19,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:19,080 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:19,139 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:21,045 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:09:21,046 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:09:21,046 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:09:21,046 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:09:21,046 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:09:21,046 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:21,046 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:09:21,046 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:09:21,046 INFO L133 ssoRankerPreferences]: Filename of dumped script: sep.i_Iteration9_Lasso [2021-10-21 20:09:21,046 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:09:21,046 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:09:21,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:21,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:21,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:21,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:21,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:21,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:21,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:21,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:21,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:21,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:21,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:21,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:22,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:22,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:22,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:22,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:22,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:22,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:22,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:22,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:22,518 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:09:22,518 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:09:22,519 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:22,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:22,523 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:22,530 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 [2021-10-21 20:09:22,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:22,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:22,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:22,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:22,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:22,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-21 20:09:22,540 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:22,540 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:22,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:22,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:22,560 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:22,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:22,561 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:22,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-21 20:09:22,562 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 [2021-10-21 20:09:22,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:22,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:22,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:22,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:22,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:22,569 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:22,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:22,570 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:22,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:22,589 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:22,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:22,590 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:22,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-21 20:09:22,591 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 [2021-10-21 20:09:22,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:22,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:22,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:22,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:22,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:22,599 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:22,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:22,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:22,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:22,619 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:22,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:22,619 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:22,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-21 20:09:22,621 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 [2021-10-21 20:09:22,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:22,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:22,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:22,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:22,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:22,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:22,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:22,654 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:22,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:22,686 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:22,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:22,687 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:22,689 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 [2021-10-21 20:09:22,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:22,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:22,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:22,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:22,699 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:22,699 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:22,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-21 20:09:22,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:22,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:22,745 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:22,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:22,746 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:22,748 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 [2021-10-21 20:09:22,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:22,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:22,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:22,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:22,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:22,757 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:22,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:22,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-21 20:09:22,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:22,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-10-21 20:09:22,809 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:22,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:22,810 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:22,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-21 20:09:22,811 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 [2021-10-21 20:09:22,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:22,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:22,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:22,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:22,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:22,818 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:22,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:22,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:22,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-10-21 20:09:22,838 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:22,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:22,838 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:22,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-21 20:09:22,840 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 [2021-10-21 20:09:22,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:22,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:22,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:22,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:22,849 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:22,850 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:22,878 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:22,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:22,910 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:22,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:22,911 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:22,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-21 20:09:22,913 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 [2021-10-21 20:09:22,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:22,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:22,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:22,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:22,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:22,920 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:22,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:22,921 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:22,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-10-21 20:09:22,940 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:22,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:22,941 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:22,963 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 [2021-10-21 20:09:22,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:22,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:22,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:22,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:22,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:22,972 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:22,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:22,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-21 20:09:22,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:23,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:23,017 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:23,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:23,018 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:23,020 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 [2021-10-21 20:09:23,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:23,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:23,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:23,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:23,030 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:23,031 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:23,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-21 20:09:23,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:23,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:23,079 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:23,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:23,080 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:23,082 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 [2021-10-21 20:09:23,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:23,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:23,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:23,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:23,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-21 20:09:23,092 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:23,092 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:23,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:23,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-10-21 20:09:23,114 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:23,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:23,114 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:23,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-21 20:09:23,116 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 [2021-10-21 20:09:23,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:23,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:23,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:23,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:23,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:23,123 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:23,123 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:23,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:23,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-10-21 20:09:23,155 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:23,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:23,156 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:23,163 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 [2021-10-21 20:09:23,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:23,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:23,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:23,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:23,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:23,173 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:23,173 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:23,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-21 20:09:23,190 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:23,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:23,221 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:23,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:23,222 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:23,224 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 [2021-10-21 20:09:23,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:23,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:23,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:23,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:23,234 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:23,234 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:23,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-21 20:09:23,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:23,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-10-21 20:09:23,282 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:23,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:23,282 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:23,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-21 20:09:23,284 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 [2021-10-21 20:09:23,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:23,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:23,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:23,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:23,291 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:23,291 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:23,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:23,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:23,312 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:23,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:23,313 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:23,314 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 [2021-10-21 20:09:23,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-21 20:09:23,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:23,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:23,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:23,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:23,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:23,322 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:23,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:23,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:23,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-10-21 20:09:23,342 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:23,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:23,342 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:23,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-21 20:09:23,343 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 [2021-10-21 20:09:23,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:23,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:23,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:23,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:23,358 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:23,358 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:23,372 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:09:23,400 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-10-21 20:09:23,400 INFO L444 ModelExtractionUtils]: 3 out of 34 variables were initially zero. Simplification set additionally 26 variables to zero. [2021-10-21 20:09:23,401 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:23,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:23,402 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:23,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-21 20:09:23,403 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:09:23,410 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 20:09:23,410 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:09:23,410 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sep_~x.offset, ULTIMATE.start_main_~i~1, ULTIMATE.start_sep_~i~0, v_rep(select #length ULTIMATE.start_sep_~x.base)_3) = -1*ULTIMATE.start_sep_~x.offset - 4*ULTIMATE.start_main_~i~1 - 4*ULTIMATE.start_sep_~i~0 + 2*v_rep(select #length ULTIMATE.start_sep_~x.base)_3 Supporting invariants [] [2021-10-21 20:09:23,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:23,662 INFO L297 tatePredicateManager]: 62 out of 65 supporting invariants were superfluous and have been removed [2021-10-21 20:09:23,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:23,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:23,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-21 20:09:23,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:09:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:24,128 WARN L261 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-21 20:09:24,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:09:24,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:09:24,175 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2021-10-21 20:09:24,176 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 35 states and 45 transitions. cyclomatic complexity: 15 Second operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 7 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) [2021-10-21 20:09:24,317 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 35 states and 45 transitions. cyclomatic complexity: 15. Second operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 7 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) Result 63 states and 85 transitions. Complement of second has 13 states. [2021-10-21 20:09:24,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2021-10-21 20:09:24,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 7 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) [2021-10-21 20:09:24,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 50 transitions. [2021-10-21 20:09:24,318 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 50 transitions. Stem has 21 letters. Loop has 2 letters. [2021-10-21 20:09:24,318 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:09:24,318 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 50 transitions. Stem has 23 letters. Loop has 2 letters. [2021-10-21 20:09:24,319 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:09:24,319 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 50 transitions. Stem has 21 letters. Loop has 4 letters. [2021-10-21 20:09:24,319 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:09:24,319 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 85 transitions. [2021-10-21 20:09:24,320 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-21 20:09:24,321 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 61 states and 81 transitions. [2021-10-21 20:09:24,321 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2021-10-21 20:09:24,322 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2021-10-21 20:09:24,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 81 transitions. [2021-10-21 20:09:24,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:09:24,322 INFO L681 BuchiCegarLoop]: Abstraction has 61 states and 81 transitions. [2021-10-21 20:09:24,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 81 transitions. [2021-10-21 20:09:24,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 43. [2021-10-21 20:09:24,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 42 states have internal predecessors, (57), 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) [2021-10-21 20:09:24,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 57 transitions. [2021-10-21 20:09:24,326 INFO L704 BuchiCegarLoop]: Abstraction has 43 states and 57 transitions. [2021-10-21 20:09:24,326 INFO L587 BuchiCegarLoop]: Abstraction has 43 states and 57 transitions. [2021-10-21 20:09:24,326 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-21 20:09:24,326 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 57 transitions. [2021-10-21 20:09:24,327 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-21 20:09:24,327 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:09:24,327 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:09:24,327 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:09:24,328 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 20:09:24,328 INFO L791 eck$LassoCheckResult]: Stem: 1791#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(101, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(112, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 1792#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 1809#L34 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 1815#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1816#L22 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1819#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1817#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1818#L22 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 1814#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1830#L20-3 assume !(sep_~i~0 < ~N~0); 1829#L20-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 1828#L27 main_#t~ret8 := sep_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 1797#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1798#L22-2 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 1820#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1799#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1800#L22-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1826#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1825#L20-8 assume !(sep_~i~0 < ~N~0); 1823#L20-9 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 1822#L27-1 main_#t~ret11 := sep_#res;main_~ret2~0 := main_#t~ret11;havoc main_#t~ret11;call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem12;havoc main_#t~mem12;main_~i~1 := 0; 1821#L46-3 assume !(main_~i~1 < ~N~0 - 1); 1805#L46-4 call write~int(main_~temp~0, main_~#x~0.base, main_~#x~0.offset + 4 * (~N~0 - 1), 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 1806#L20-13 [2021-10-21 20:09:24,328 INFO L793 eck$LassoCheckResult]: Loop: 1806#L20-13 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1807#L22-4 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 1808#L20-12 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1806#L20-13 [2021-10-21 20:09:24,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:24,329 INFO L82 PathProgramCache]: Analyzing trace with hash -484677821, now seen corresponding path program 1 times [2021-10-21 20:09:24,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:24,329 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764674985] [2021-10-21 20:09:24,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:24,329 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:24,363 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-21 20:09:24,364 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:09:24,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764674985] [2021-10-21 20:09:24,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764674985] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:09:24,364 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:09:24,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:09:24,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415796777] [2021-10-21 20:09:24,365 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:09:24,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:24,365 INFO L82 PathProgramCache]: Analyzing trace with hash 98408, now seen corresponding path program 1 times [2021-10-21 20:09:24,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:24,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767766926] [2021-10-21 20:09:24,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:24,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:24,371 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:24,374 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:24,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:09:24,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:09:24,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:09:24,419 INFO L87 Difference]: Start difference. First operand 43 states and 57 transitions. cyclomatic complexity: 20 Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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) [2021-10-21 20:09:24,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:09:24,446 INFO L93 Difference]: Finished difference Result 46 states and 59 transitions. [2021-10-21 20:09:24,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:09:24,446 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 59 transitions. [2021-10-21 20:09:24,448 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-21 20:09:24,449 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 46 states and 59 transitions. [2021-10-21 20:09:24,449 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-10-21 20:09:24,449 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-10-21 20:09:24,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 59 transitions. [2021-10-21 20:09:24,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:09:24,450 INFO L681 BuchiCegarLoop]: Abstraction has 46 states and 59 transitions. [2021-10-21 20:09:24,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 59 transitions. [2021-10-21 20:09:24,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2021-10-21 20:09:24,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 43 states have internal predecessors, (57), 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) [2021-10-21 20:09:24,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 57 transitions. [2021-10-21 20:09:24,453 INFO L704 BuchiCegarLoop]: Abstraction has 44 states and 57 transitions. [2021-10-21 20:09:24,453 INFO L587 BuchiCegarLoop]: Abstraction has 44 states and 57 transitions. [2021-10-21 20:09:24,453 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-21 20:09:24,454 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 57 transitions. [2021-10-21 20:09:24,454 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-21 20:09:24,454 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:09:24,454 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:09:24,455 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:09:24,455 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 20:09:24,455 INFO L791 eck$LassoCheckResult]: Stem: 1889#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(101, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(112, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 1890#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 1905#L34 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 1909#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1910#L22 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1923#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1911#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1912#L22 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 1930#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1928#L20-3 assume !(sep_~i~0 < ~N~0); 1927#L20-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 1926#L27 main_#t~ret8 := sep_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 1925#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1924#L22-2 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 1904#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1894#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1895#L22-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 1917#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1915#L20-8 assume !(sep_~i~0 < ~N~0); 1887#L20-9 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 1888#L27-1 main_#t~ret11 := sep_#res;main_~ret2~0 := main_#t~ret11;havoc main_#t~ret11;call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem12;havoc main_#t~mem12;main_~i~1 := 0; 1914#L46-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem14 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem14, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem14; 1898#L46-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 1899#L46-3 assume !(main_~i~1 < ~N~0 - 1); 1900#L46-4 call write~int(main_~temp~0, main_~#x~0.base, main_~#x~0.offset + 4 * (~N~0 - 1), 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 1901#L20-13 [2021-10-21 20:09:24,456 INFO L793 eck$LassoCheckResult]: Loop: 1901#L20-13 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 1902#L22-4 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 1903#L20-12 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 1901#L20-13 [2021-10-21 20:09:24,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:24,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1918860571, now seen corresponding path program 1 times [2021-10-21 20:09:24,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:24,456 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840386569] [2021-10-21 20:09:24,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:24,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:24,511 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:24,549 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:24,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:24,550 INFO L82 PathProgramCache]: Analyzing trace with hash 98408, now seen corresponding path program 2 times [2021-10-21 20:09:24,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:24,550 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721687909] [2021-10-21 20:09:24,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:24,550 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:24,556 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:24,560 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:24,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:24,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1239507716, now seen corresponding path program 1 times [2021-10-21 20:09:24,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:24,561 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007620302] [2021-10-21 20:09:24,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:24,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:25,079 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-21 20:09:25,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:09:25,079 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007620302] [2021-10-21 20:09:25,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007620302] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:09:25,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191234802] [2021-10-21 20:09:25,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:25,080 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:09:25,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:25,082 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:09:25,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Waiting until timeout for monitored process [2021-10-21 20:09:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:25,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-21 20:09:25,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:09:25,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-21 20:09:25,449 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-21 20:09:25,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 28 [2021-10-21 20:09:25,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-21 20:09:25,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 28 [2021-10-21 20:09:25,717 INFO L354 Elim1Store]: treesize reduction 42, result has 33.3 percent of original size [2021-10-21 20:09:25,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 49 [2021-10-21 20:09:25,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-10-21 20:09:25,790 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-21 20:09:25,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1191234802] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:09:25,790 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:09:25,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 16 [2021-10-21 20:09:25,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518930800] [2021-10-21 20:09:25,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:09:25,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-21 20:09:25,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2021-10-21 20:09:25,840 INFO L87 Difference]: Start difference. First operand 44 states and 57 transitions. cyclomatic complexity: 19 Second operand has 16 states, 16 states have (on average 2.125) internal successors, (34), 16 states have internal predecessors, (34), 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) [2021-10-21 20:09:26,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:09:26,464 INFO L93 Difference]: Finished difference Result 115 states and 150 transitions. [2021-10-21 20:09:26,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-21 20:09:26,465 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 115 states and 150 transitions. [2021-10-21 20:09:26,466 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-21 20:09:26,467 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 115 states to 115 states and 150 transitions. [2021-10-21 20:09:26,467 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 58 [2021-10-21 20:09:26,468 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 58 [2021-10-21 20:09:26,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 115 states and 150 transitions. [2021-10-21 20:09:26,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:09:26,468 INFO L681 BuchiCegarLoop]: Abstraction has 115 states and 150 transitions. [2021-10-21 20:09:26,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states and 150 transitions. [2021-10-21 20:09:26,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 86. [2021-10-21 20:09:26,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 86 states have (on average 1.302325581395349) internal successors, (112), 85 states have internal predecessors, (112), 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) [2021-10-21 20:09:26,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 112 transitions. [2021-10-21 20:09:26,474 INFO L704 BuchiCegarLoop]: Abstraction has 86 states and 112 transitions. [2021-10-21 20:09:26,474 INFO L587 BuchiCegarLoop]: Abstraction has 86 states and 112 transitions. [2021-10-21 20:09:26,474 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-21 20:09:26,474 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 86 states and 112 transitions. [2021-10-21 20:09:26,475 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-21 20:09:26,475 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:09:26,475 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:09:26,476 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:09:26,476 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 20:09:26,476 INFO L791 eck$LassoCheckResult]: Stem: 2168#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(101, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(112, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 2169#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 2186#L34 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 2191#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 2192#L22 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 2237#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 2236#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 2235#L22 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 2233#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 2229#L20-3 assume !(sep_~i~0 < ~N~0); 2227#L20-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 2225#L27 main_#t~ret8 := sep_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 2223#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 2221#L22-2 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 2220#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 2219#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 2218#L22-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 2216#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 2213#L20-8 assume !(sep_~i~0 < ~N~0); 2211#L20-9 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 2209#L27-1 main_#t~ret11 := sep_#res;main_~ret2~0 := main_#t~ret11;havoc main_#t~ret11;call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem12;havoc main_#t~mem12;main_~i~1 := 0; 2207#L46-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem14 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem14, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem14; 2198#L46-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 2197#L46-3 assume !(main_~i~1 < ~N~0 - 1); 2180#L46-4 call write~int(main_~temp~0, main_~#x~0.base, main_~#x~0.offset + 4 * (~N~0 - 1), 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 2181#L20-13 [2021-10-21 20:09:26,477 INFO L793 eck$LassoCheckResult]: Loop: 2181#L20-13 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 2199#L22-4 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 2183#L20-12 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 2181#L20-13 [2021-10-21 20:09:26,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:26,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1953404899, now seen corresponding path program 1 times [2021-10-21 20:09:26,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:26,477 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230513069] [2021-10-21 20:09:26,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:26,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:26,842 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:09:26,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:09:26,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230513069] [2021-10-21 20:09:26,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230513069] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:09:26,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689898635] [2021-10-21 20:09:26,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:26,842 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:09:26,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:26,843 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:09:26,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Waiting until timeout for monitored process [2021-10-21 20:09:27,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:27,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 36 conjunts are in the unsatisfiable core [2021-10-21 20:09:27,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:09:27,149 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-21 20:09:27,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 22 [2021-10-21 20:09:27,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-10-21 20:09:27,277 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-21 20:09:27,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689898635] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:09:27,277 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:09:27,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 14 [2021-10-21 20:09:27,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417092192] [2021-10-21 20:09:27,278 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:09:27,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:27,278 INFO L82 PathProgramCache]: Analyzing trace with hash 98408, now seen corresponding path program 3 times [2021-10-21 20:09:27,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:27,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707473284] [2021-10-21 20:09:27,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:27,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:27,284 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:27,287 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:27,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:09:27,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-21 20:09:27,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-10-21 20:09:27,335 INFO L87 Difference]: Start difference. First operand 86 states and 112 transitions. cyclomatic complexity: 35 Second operand has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 14 states have internal predecessors, (34), 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) [2021-10-21 20:09:27,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:09:27,719 INFO L93 Difference]: Finished difference Result 100 states and 128 transitions. [2021-10-21 20:09:27,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-21 20:09:27,720 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 100 states and 128 transitions. [2021-10-21 20:09:27,721 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-21 20:09:27,722 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 100 states to 100 states and 128 transitions. [2021-10-21 20:09:27,722 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 47 [2021-10-21 20:09:27,722 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 47 [2021-10-21 20:09:27,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 100 states and 128 transitions. [2021-10-21 20:09:27,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:09:27,723 INFO L681 BuchiCegarLoop]: Abstraction has 100 states and 128 transitions. [2021-10-21 20:09:27,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states and 128 transitions. [2021-10-21 20:09:27,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 86. [2021-10-21 20:09:27,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 86 states have (on average 1.2906976744186047) internal successors, (111), 85 states have internal predecessors, (111), 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) [2021-10-21 20:09:27,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 111 transitions. [2021-10-21 20:09:27,727 INFO L704 BuchiCegarLoop]: Abstraction has 86 states and 111 transitions. [2021-10-21 20:09:27,727 INFO L587 BuchiCegarLoop]: Abstraction has 86 states and 111 transitions. [2021-10-21 20:09:27,727 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-10-21 20:09:27,727 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 86 states and 111 transitions. [2021-10-21 20:09:27,728 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-21 20:09:27,728 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:09:27,728 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:09:27,729 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:09:27,729 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 20:09:27,729 INFO L791 eck$LassoCheckResult]: Stem: 2453#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(101, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(112, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 2454#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 2471#L34 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 2477#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 2478#L22 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 2481#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 2479#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 2480#L22 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 2476#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 2527#L20-3 assume !(sep_~i~0 < ~N~0); 2528#L20-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 2457#L27 main_#t~ret8 := sep_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 2458#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 2537#L22-2 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 2536#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 2461#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 2462#L22-2 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 2472#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 2487#L20-8 assume !(sep_~i~0 < ~N~0); 2455#L20-9 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 2456#L27-1 main_#t~ret11 := sep_#res;main_~ret2~0 := main_#t~ret11;havoc main_#t~ret11;call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem12;havoc main_#t~mem12;main_~i~1 := 0; 2486#L46-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem14 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem14, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem14; 2490#L46-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 2489#L46-3 assume !(main_~i~1 < ~N~0 - 1); 2467#L46-4 call write~int(main_~temp~0, main_~#x~0.base, main_~#x~0.offset + 4 * (~N~0 - 1), 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 2468#L20-13 [2021-10-21 20:09:27,729 INFO L793 eck$LassoCheckResult]: Loop: 2468#L20-13 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 2485#L22-4 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 2470#L20-12 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 2468#L20-13 [2021-10-21 20:09:27,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:27,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1273346529, now seen corresponding path program 1 times [2021-10-21 20:09:27,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:27,730 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454399767] [2021-10-21 20:09:27,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:27,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:27,757 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:27,784 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:27,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:27,784 INFO L82 PathProgramCache]: Analyzing trace with hash 98408, now seen corresponding path program 4 times [2021-10-21 20:09:27,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:27,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474733658] [2021-10-21 20:09:27,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:27,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:27,789 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:27,792 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:27,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:27,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1115355784, now seen corresponding path program 1 times [2021-10-21 20:09:27,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:27,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641206738] [2021-10-21 20:09:27,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:27,794 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:27,822 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:27,852 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:29,863 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:09:29,863 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:09:29,864 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:09:29,864 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:09:29,864 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:09:29,864 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:29,864 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:09:29,864 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:09:29,864 INFO L133 ssoRankerPreferences]: Filename of dumped script: sep.i_Iteration13_Lasso [2021-10-21 20:09:29,864 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:09:29,864 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:09:29,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:29,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:29,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:29,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:29,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:29,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:29,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:29,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:29,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:29,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:29,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:29,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:29,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:29,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:29,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:29,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:29,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:29,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:29,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:30,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:30,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:30,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:30,775 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:09:30,775 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:09:30,775 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:30,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:30,783 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:30,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-21 20:09:30,786 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 [2021-10-21 20:09:30,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:30,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:30,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:30,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:30,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:30,794 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:30,794 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:30,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:30,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-10-21 20:09:30,814 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:30,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:30,815 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:30,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-21 20:09:30,817 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 [2021-10-21 20:09:30,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:30,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:30,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:30,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:30,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:30,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:30,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:30,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:30,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:30,844 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:30,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:30,845 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:30,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-21 20:09:30,846 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 [2021-10-21 20:09:30,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:30,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:30,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:30,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:30,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:30,854 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:30,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:30,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:30,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-10-21 20:09:30,874 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:30,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:30,874 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:30,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-21 20:09:30,875 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 [2021-10-21 20:09:30,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:30,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:30,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:30,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:30,884 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:30,884 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:30,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:30,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-10-21 20:09:30,905 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:30,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:30,906 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:30,907 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 [2021-10-21 20:09:30,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:30,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:30,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:30,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:30,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:30,917 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:30,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:30,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-21 20:09:30,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:30,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-10-21 20:09:30,945 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:30,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:30,946 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:30,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-21 20:09:30,948 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 [2021-10-21 20:09:30,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:30,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:30,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:30,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:30,956 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:30,956 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:30,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:30,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-10-21 20:09:30,977 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:30,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:30,978 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:30,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-21 20:09:30,980 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 [2021-10-21 20:09:30,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:30,987 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:30,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:30,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:30,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:30,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:30,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:30,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:31,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:31,008 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:31,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:31,009 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:31,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-21 20:09:31,010 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 [2021-10-21 20:09:31,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:31,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:31,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:31,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:31,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:31,017 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:31,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:31,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:31,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-10-21 20:09:31,037 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:31,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:31,038 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:31,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-21 20:09:31,039 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 [2021-10-21 20:09:31,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:31,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:31,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:31,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:31,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:31,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:31,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:31,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:31,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:31,068 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:31,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:31,068 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:31,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-21 20:09:31,069 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 [2021-10-21 20:09:31,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:31,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:31,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:31,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:31,080 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:31,080 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:31,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:31,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:31,114 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:31,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:31,115 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:31,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-21 20:09:31,117 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 [2021-10-21 20:09:31,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:31,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:31,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:31,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:31,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:31,125 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:31,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:31,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:31,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:31,145 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:31,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:31,146 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:31,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-10-21 20:09:31,147 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 [2021-10-21 20:09:31,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:31,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:31,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:31,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:31,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:31,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:31,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:31,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:31,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:31,175 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:31,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:31,175 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:31,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-10-21 20:09:31,176 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 [2021-10-21 20:09:31,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:31,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:31,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:31,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:31,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:31,184 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:31,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:31,185 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:31,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-10-21 20:09:31,204 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:31,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:31,206 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:31,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-10-21 20:09:31,207 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 [2021-10-21 20:09:31,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:31,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:31,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:31,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:31,215 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:31,215 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:31,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:31,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:31,252 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:31,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:31,253 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:31,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-10-21 20:09:31,255 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 [2021-10-21 20:09:31,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:31,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:31,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:31,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:31,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:31,263 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:31,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:31,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:31,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-10-21 20:09:31,283 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:31,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:31,284 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:31,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-10-21 20:09:31,285 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 [2021-10-21 20:09:31,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:31,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:31,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:31,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:31,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:31,293 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:31,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:31,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:31,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:31,313 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:31,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:31,313 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:31,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-10-21 20:09:31,315 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 [2021-10-21 20:09:31,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:31,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:31,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:31,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:31,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:31,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:31,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:31,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:31,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2021-10-21 20:09:31,343 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:31,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:31,343 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:31,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-10-21 20:09:31,344 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 [2021-10-21 20:09:31,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:31,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:31,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:31,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:31,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:31,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:31,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:31,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:31,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-10-21 20:09:31,373 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:31,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:31,374 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:31,375 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 [2021-10-21 20:09:31,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-10-21 20:09:31,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:31,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:31,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:31,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:31,384 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:31,384 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:31,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:31,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:31,406 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:31,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:31,407 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:31,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-10-21 20:09:31,413 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 [2021-10-21 20:09:31,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:31,420 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:31,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:31,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:31,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:31,421 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:31,421 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:31,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:31,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:31,441 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:31,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:31,442 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:31,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-10-21 20:09:31,443 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 [2021-10-21 20:09:31,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:31,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:31,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:31,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:31,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:31,450 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:31,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:31,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:31,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-10-21 20:09:31,470 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:31,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:31,471 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:31,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-10-21 20:09:31,472 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 [2021-10-21 20:09:31,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:31,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:31,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:31,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:31,480 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:31,480 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:31,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:31,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-10-21 20:09:31,502 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:31,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:31,503 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:31,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-10-21 20:09:31,504 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 [2021-10-21 20:09:31,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:31,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:31,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:31,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:31,512 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:31,513 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:31,516 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:31,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2021-10-21 20:09:31,535 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:31,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:31,536 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:31,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-10-21 20:09:31,540 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 [2021-10-21 20:09:31,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:31,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:31,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:31,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:31,548 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:31,548 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:31,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:31,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2021-10-21 20:09:31,570 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:31,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:31,571 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:31,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-10-21 20:09:31,572 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 [2021-10-21 20:09:31,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:31,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:31,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:31,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:31,580 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:31,580 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:31,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:31,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:31,602 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:31,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:31,603 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:31,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-10-21 20:09:31,604 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 [2021-10-21 20:09:31,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:31,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:31,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:31,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:31,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:31,611 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:31,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:31,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:31,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:31,631 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:31,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:31,632 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:31,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-10-21 20:09:31,633 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 [2021-10-21 20:09:31,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:31,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:31,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:31,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:31,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:31,642 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:31,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:31,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:31,665 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:31,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:31,666 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:31,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-10-21 20:09:31,667 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 [2021-10-21 20:09:31,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:31,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:31,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:31,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:31,677 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:31,677 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:31,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:31,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2021-10-21 20:09:31,702 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:31,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:31,702 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:31,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-10-21 20:09:31,703 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 [2021-10-21 20:09:31,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:31,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:31,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:31,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:31,718 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:31,719 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:31,742 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:09:31,817 INFO L443 ModelExtractionUtils]: Simplification made 34 calls to the SMT solver. [2021-10-21 20:09:31,817 INFO L444 ModelExtractionUtils]: 6 out of 34 variables were initially zero. Simplification set additionally 22 variables to zero. [2021-10-21 20:09:31,817 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:31,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:31,823 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:31,826 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:09:31,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-10-21 20:09:31,854 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-21 20:09:31,854 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:09:31,854 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sep_~x.offset, ULTIMATE.start_main_~i~1, ULTIMATE.start_sep_~i~0) = -1*ULTIMATE.start_sep_~x.offset + 10*ULTIMATE.start_main_~i~1 - 4*ULTIMATE.start_sep_~i~0 Supporting invariants [8*ULTIMATE.start_main_~i~1 - 1*v_rep(select #length ULTIMATE.start_sep_~x.base)_4 >= 0] [2021-10-21 20:09:31,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:32,070 INFO L297 tatePredicateManager]: 57 out of 58 supporting invariants were superfluous and have been removed [2021-10-21 20:09:32,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:32,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-21 20:09:32,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:09:32,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:32,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-10-21 20:09:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:32,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 20:09:32,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:09:32,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:09:32,539 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2021-10-21 20:09:32,539 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 86 states and 111 transitions. cyclomatic complexity: 34 Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 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) [2021-10-21 20:09:32,904 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 86 states and 111 transitions. cyclomatic complexity: 34. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 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 185 states and 239 transitions. Complement of second has 15 states. [2021-10-21 20:09:32,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 9 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-21 20:09:32,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 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) [2021-10-21 20:09:32,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 65 transitions. [2021-10-21 20:09:32,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 65 transitions. Stem has 25 letters. Loop has 3 letters. [2021-10-21 20:09:32,905 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:09:32,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 65 transitions. Stem has 28 letters. Loop has 3 letters. [2021-10-21 20:09:32,906 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:09:32,906 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 65 transitions. Stem has 25 letters. Loop has 6 letters. [2021-10-21 20:09:32,906 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:09:32,906 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 185 states and 239 transitions. [2021-10-21 20:09:32,909 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-21 20:09:32,910 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 185 states to 104 states and 134 transitions. [2021-10-21 20:09:32,910 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2021-10-21 20:09:32,910 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 43 [2021-10-21 20:09:32,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 104 states and 134 transitions. [2021-10-21 20:09:32,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:09:32,911 INFO L681 BuchiCegarLoop]: Abstraction has 104 states and 134 transitions. [2021-10-21 20:09:32,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states and 134 transitions. [2021-10-21 20:09:32,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 94. [2021-10-21 20:09:32,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 94 states have (on average 1.2659574468085106) internal successors, (119), 93 states have internal predecessors, (119), 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) [2021-10-21 20:09:32,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 119 transitions. [2021-10-21 20:09:32,915 INFO L704 BuchiCegarLoop]: Abstraction has 94 states and 119 transitions. [2021-10-21 20:09:32,915 INFO L587 BuchiCegarLoop]: Abstraction has 94 states and 119 transitions. [2021-10-21 20:09:32,915 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-10-21 20:09:32,916 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 94 states and 119 transitions. [2021-10-21 20:09:32,916 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-21 20:09:32,916 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:09:32,916 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:09:32,917 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:09:32,917 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 20:09:32,917 INFO L791 eck$LassoCheckResult]: Stem: 3099#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(101, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(112, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 3100#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 3117#L34 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 3123#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 3124#L22 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 3126#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 3125#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 3120#L22 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 3121#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 3192#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 3172#L22 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 3174#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 3171#L20-3 assume !(sep_~i~0 < ~N~0); 3168#L20-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 3166#L27 main_#t~ret8 := sep_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 3164#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 3161#L22-2 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 3160#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 3158#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 3155#L22-2 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 3154#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 3152#L20-8 assume !(sep_~i~0 < ~N~0); 3101#L20-9 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 3102#L27-1 main_#t~ret11 := sep_#res;main_~ret2~0 := main_#t~ret11;havoc main_#t~ret11;call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem12;havoc main_#t~mem12;main_~i~1 := 0; 3140#L46-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem14 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem14, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem14; 3137#L46-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 3136#L46-3 assume !(main_~i~1 < ~N~0 - 1); 3113#L46-4 call write~int(main_~temp~0, main_~#x~0.base, main_~#x~0.offset + 4 * (~N~0 - 1), 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 3114#L20-13 [2021-10-21 20:09:32,918 INFO L793 eck$LassoCheckResult]: Loop: 3114#L20-13 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 3130#L22-4 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 3116#L20-12 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 3114#L20-13 [2021-10-21 20:09:32,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:32,919 INFO L82 PathProgramCache]: Analyzing trace with hash 1339196588, now seen corresponding path program 1 times [2021-10-21 20:09:32,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:32,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964899308] [2021-10-21 20:09:32,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:32,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:32,989 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:09:32,989 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:09:32,989 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964899308] [2021-10-21 20:09:32,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964899308] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:09:32,989 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833651231] [2021-10-21 20:09:32,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:32,990 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:09:32,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:32,991 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:09:33,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (106)] Waiting until timeout for monitored process [2021-10-21 20:09:33,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:33,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 20:09:33,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:09:33,376 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:09:33,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833651231] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:09:33,377 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:09:33,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-10-21 20:09:33,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127415732] [2021-10-21 20:09:33,377 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:09:33,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:33,378 INFO L82 PathProgramCache]: Analyzing trace with hash 98408, now seen corresponding path program 5 times [2021-10-21 20:09:33,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:33,378 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199196892] [2021-10-21 20:09:33,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:33,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:33,386 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:33,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:33,389 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:33,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:09:33,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-21 20:09:33,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2021-10-21 20:09:33,454 INFO L87 Difference]: Start difference. First operand 94 states and 119 transitions. cyclomatic complexity: 34 Second operand has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 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) [2021-10-21 20:09:33,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:09:33,591 INFO L93 Difference]: Finished difference Result 95 states and 120 transitions. [2021-10-21 20:09:33,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-21 20:09:33,591 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 95 states and 120 transitions. [2021-10-21 20:09:33,592 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-21 20:09:33,593 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 95 states to 95 states and 120 transitions. [2021-10-21 20:09:33,593 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2021-10-21 20:09:33,593 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2021-10-21 20:09:33,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 95 states and 120 transitions. [2021-10-21 20:09:33,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:09:33,593 INFO L681 BuchiCegarLoop]: Abstraction has 95 states and 120 transitions. [2021-10-21 20:09:33,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states and 120 transitions. [2021-10-21 20:09:33,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 82. [2021-10-21 20:09:33,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 82 states have (on average 1.2439024390243902) internal successors, (102), 81 states have internal predecessors, (102), 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) [2021-10-21 20:09:33,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 102 transitions. [2021-10-21 20:09:33,597 INFO L704 BuchiCegarLoop]: Abstraction has 82 states and 102 transitions. [2021-10-21 20:09:33,597 INFO L587 BuchiCegarLoop]: Abstraction has 82 states and 102 transitions. [2021-10-21 20:09:33,597 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-10-21 20:09:33,597 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states and 102 transitions. [2021-10-21 20:09:33,598 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-21 20:09:33,598 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:09:33,598 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:09:33,599 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:09:33,599 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:09:33,599 INFO L791 eck$LassoCheckResult]: Stem: 3399#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(6);call write~init~int(115, #t~string1.base, #t~string1.offset, 1);call write~init~int(101, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(112, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 3400#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 3413#L34 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 3417#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 3418#L22 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 3470#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 3467#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 3465#L22 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 3420#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 3419#L20-3 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 3415#L22 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 3416#L20-2 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 3468#L20-3 assume !(sep_~i~0 < ~N~0); 3414#L20-4 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 3401#L27 main_#t~ret8 := sep_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sep_#in~x.base, sep_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sep_#res;havoc sep_#t~mem4, sep_#t~post5, sep_#t~post6, sep_#t~post3, sep_~i~0, sep_~x.base, sep_~x.offset, sep_~ret~0;sep_~x.base, sep_~x.offset := sep_#in~x.base, sep_#in~x.offset;sep_~ret~0 := 0;sep_~i~0 := 0; 3402#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 3403#L22-2 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 3433#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 3471#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 3431#L22-2 assume 0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2);havoc sep_#t~mem4;sep_#t~post5 := sep_~ret~0;sep_~ret~0 := 1 + sep_#t~post5;havoc sep_#t~post5; 3425#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 3426#L20-8 assume !!(sep_~i~0 < ~N~0);call sep_#t~mem4 := read~int(sep_~x.base, sep_~x.offset + 4 * sep_~i~0, 4); 3477#L22-2 assume !(0 == (if sep_#t~mem4 < 0 && 0 != sep_#t~mem4 % 2 then sep_#t~mem4 % 2 - 2 else sep_#t~mem4 % 2));havoc sep_#t~mem4;sep_#t~post6 := sep_~ret~0;sep_~ret~0 := sep_#t~post6 - 1;havoc sep_#t~post6; 3478#L20-7 sep_#t~post3 := sep_~i~0;sep_~i~0 := 1 + sep_#t~post3;havoc sep_#t~post3; 3476#L20-8 assume !(sep_~i~0 < ~N~0); 3397#L20-9 sep_#res := (if sep_~ret~0 % 4294967296 <= 2147483647 then sep_~ret~0 % 4294967296 else sep_~ret~0 % 4294967296 - 4294967296); 3398#L27-1 main_#t~ret11 := sep_#res;main_~ret2~0 := main_#t~ret11;havoc main_#t~ret11;call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem12;havoc main_#t~mem12;main_~i~1 := 0; 3424#L46-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem14 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem14, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem14; 3474#L46-2 [2021-10-21 20:09:33,599 INFO L793 eck$LassoCheckResult]: Loop: 3474#L46-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 3473#L46-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem14 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem14, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem14; 3474#L46-2 [2021-10-21 20:09:33,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:33,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1358776295, now seen corresponding path program 1 times [2021-10-21 20:09:33,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:33,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001952634] [2021-10-21 20:09:33,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:33,600 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:33,628 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:33,656 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:33,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:33,657 INFO L82 PathProgramCache]: Analyzing trace with hash 2783, now seen corresponding path program 5 times [2021-10-21 20:09:33,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:33,657 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879602222] [2021-10-21 20:09:33,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:33,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:33,662 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:33,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:33,664 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:33,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:33,665 INFO L82 PathProgramCache]: Analyzing trace with hash -113959689, now seen corresponding path program 2 times [2021-10-21 20:09:33,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:33,665 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660461168] [2021-10-21 20:09:33,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:33,665 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:33,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:33,699 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:33,727 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:36,770 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:09:36,771 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:09:36,771 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:09:36,771 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:09:36,771 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:09:36,771 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:36,771 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:09:36,771 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:09:36,771 INFO L133 ssoRankerPreferences]: Filename of dumped script: sep.i_Iteration15_Lasso [2021-10-21 20:09:36,771 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:09:36,771 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:09:36,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:36,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:36,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:36,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:36,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:36,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:36,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:36,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:36,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:36,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:36,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:36,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:36,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:36,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:36,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:36,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:36,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:36,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:36,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:36,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:37,372 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: MapEliminator tries to combine Int and (Array Int Int) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceSelectStoreTerm(MapEliminator.java:592) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceStoreTerms(MapEliminator.java:542) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.getRewrittenTransFormula(MapEliminator.java:330) at de.uni_freiburg.informatik.ultimate.lassoranker.preprocessors.MapEliminationLassoPreprocessor.process(MapEliminationLassoPreprocessor.java:109) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.applyPreprocessor(LassoBuilder.java:154) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.preprocess(LassoBuilder.java:262) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.preprocess(LassoAnalysis.java:280) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.(LassoAnalysis.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:953) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:862) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:252) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-10-21 20:09:37,374 INFO L168 Benchmark]: Toolchain (without parser) took 31013.26 ms. Allocated memory was 96.5 MB in the beginning and 207.6 MB in the end (delta: 111.1 MB). Free memory was 61.9 MB in the beginning and 58.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 141.8 MB. Max. memory is 16.1 GB. [2021-10-21 20:09:37,375 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 96.5 MB. Free memory was 67.1 MB in the beginning and 67.0 MB in the end (delta: 31.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:09:37,375 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.26 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 61.5 MB in the beginning and 92.2 MB in the end (delta: -30.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:09:37,375 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.35 ms. Allocated memory is still 117.4 MB. Free memory was 92.2 MB in the beginning and 90.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:09:37,375 INFO L168 Benchmark]: Boogie Preprocessor took 54.16 ms. Allocated memory is still 117.4 MB. Free memory was 90.1 MB in the beginning and 88.9 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:09:37,376 INFO L168 Benchmark]: RCFGBuilder took 403.03 ms. Allocated memory is still 117.4 MB. Free memory was 88.9 MB in the beginning and 76.0 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:09:37,376 INFO L168 Benchmark]: BuchiAutomizer took 30146.23 ms. Allocated memory was 117.4 MB in the beginning and 207.6 MB in the end (delta: 90.2 MB). Free memory was 76.0 MB in the beginning and 58.0 MB in the end (delta: 18.0 MB). Peak memory consumption was 138.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:09:37,378 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 96.5 MB. Free memory was 67.1 MB in the beginning and 67.0 MB in the end (delta: 31.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 336.26 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 61.5 MB in the beginning and 92.2 MB in the end (delta: -30.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 57.35 ms. Allocated memory is still 117.4 MB. Free memory was 92.2 MB in the beginning and 90.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.16 ms. Allocated memory is still 117.4 MB. Free memory was 90.1 MB in the beginning and 88.9 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 403.03 ms. Allocated memory is still 117.4 MB. Free memory was 88.9 MB in the beginning and 76.0 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 30146.23 ms. Allocated memory was 117.4 MB in the beginning and 207.6 MB in the end (delta: 90.2 MB). Free memory was 76.0 MB in the beginning and 58.0 MB in the end (delta: 18.0 MB). Peak memory consumption was 138.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: MapEliminator tries to combine Int and (Array Int Int): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-21 20:09:37,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (106)] Ended with exit code 0 [2021-10-21 20:09:37,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Ended with exit code 0 [2021-10-21 20:09:37,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Ended with exit code 0 [2021-10-21 20:09:38,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Ended with exit code 0 [2021-10-21 20:09:38,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:38,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:38,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2021-10-21 20:09:38,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c340c2c1-926f-4969-97c3-f4f152523c3f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...