./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/reducercommutativity/sum.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/reducercommutativity/sum.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg --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 c788c1819bdb49f70cf486a187bd014d3d2cd0616eddb169336e33d9a4226f9c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:07:28,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:07:28,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:07:28,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:07:28,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:07:28,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:07:28,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:07:28,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:07:28,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:07:28,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:07:28,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:07:28,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:07:28,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:07:28,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:07:28,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:07:28,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:07:28,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:07:28,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:07:28,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:07:29,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:07:29,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:07:29,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:07:29,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:07:29,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:07:29,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:07:29,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:07:29,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:07:29,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:07:29,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:07:29,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:07:29,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:07:29,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:07:29,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:07:29,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:07:29,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:07:29,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:07:29,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:07:29,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:07:29,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:07:29,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:07:29,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:07:29,041 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:07:29,086 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:07:29,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:07:29,087 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:07:29,087 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:07:29,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:07:29,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:07:29,089 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:07:29,089 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:07:29,090 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:07:29,090 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:07:29,091 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:07:29,091 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:07:29,091 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:07:29,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:07:29,092 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:07:29,092 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:07:29,092 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:07:29,093 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:07:29,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:07:29,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:07:29,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:07:29,094 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:07:29,094 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:07:29,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:07:29,094 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:07:29,095 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:07:29,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:07:29,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:07:29,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:07:29,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:07:29,097 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:07:29,098 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:07:29,099 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:07:29,099 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_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c788c1819bdb49f70cf486a187bd014d3d2cd0616eddb169336e33d9a4226f9c [2021-10-28 09:07:29,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:07:29,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:07:29,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:07:29,433 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:07:29,434 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:07:29,435 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/reducercommutativity/sum.i [2021-10-28 09:07:29,511 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/data/da7cfda74/3a915e899ea74ab7b9e8fe947606bb40/FLAG0d1fd2e2c [2021-10-28 09:07:30,039 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:07:30,040 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/sv-benchmarks/c/reducercommutativity/sum.i [2021-10-28 09:07:30,055 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/data/da7cfda74/3a915e899ea74ab7b9e8fe947606bb40/FLAG0d1fd2e2c [2021-10-28 09:07:30,374 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/data/da7cfda74/3a915e899ea74ab7b9e8fe947606bb40 [2021-10-28 09:07:30,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:07:30,379 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:07:30,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:07:30,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:07:30,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:07:30,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:07:30" (1/1) ... [2021-10-28 09:07:30,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5089cc3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:30, skipping insertion in model container [2021-10-28 09:07:30,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:07:30" (1/1) ... [2021-10-28 09:07:30,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:07:30,432 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:07:30,673 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_c01620a7-4603-4de0-8a4b-cbd77e4a7739/sv-benchmarks/c/reducercommutativity/sum.i[1282,1295] [2021-10-28 09:07:30,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:07:30,694 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:07:30,732 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_c01620a7-4603-4de0-8a4b-cbd77e4a7739/sv-benchmarks/c/reducercommutativity/sum.i[1282,1295] [2021-10-28 09:07:30,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:07:30,750 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:07:30,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:30 WrapperNode [2021-10-28 09:07:30,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:07:30,752 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:07:30,752 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:07:30,752 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:07:30,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:30" (1/1) ... [2021-10-28 09:07:30,776 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:30" (1/1) ... [2021-10-28 09:07:30,810 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:07:30,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:07:30,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:07:30,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:07:30,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:30" (1/1) ... [2021-10-28 09:07:30,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:30" (1/1) ... [2021-10-28 09:07:30,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:30" (1/1) ... [2021-10-28 09:07:30,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:30" (1/1) ... [2021-10-28 09:07:30,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:30" (1/1) ... [2021-10-28 09:07:30,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:30" (1/1) ... [2021-10-28 09:07:30,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:30" (1/1) ... [2021-10-28 09:07:30,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:07:30,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:07:30,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:07:30,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:07:30,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:30" (1/1) ... [2021-10-28 09:07:30,873 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:30,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:30,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:30,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:07:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:07:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:07:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:07:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:07:30,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:07:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 09:07:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:07:31,339 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:07:31,340 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-28 09:07:31,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:07:31 BoogieIcfgContainer [2021-10-28 09:07:31,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:07:31,343 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:07:31,343 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:07:31,347 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:07:31,348 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:07:31,348 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:07:30" (1/3) ... [2021-10-28 09:07:31,350 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23612678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:07:31, skipping insertion in model container [2021-10-28 09:07:31,350 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:07:31,350 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:30" (2/3) ... [2021-10-28 09:07:31,351 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23612678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:07:31, skipping insertion in model container [2021-10-28 09:07:31,351 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:07:31,351 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:07:31" (3/3) ... [2021-10-28 09:07:31,353 INFO L389 chiAutomizerObserver]: Analyzing ICFG sum.i [2021-10-28 09:07:31,397 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:07:31,397 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:07:31,397 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:07:31,398 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:07:31,398 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:07:31,398 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:07:31,398 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:07:31,398 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:07:31,429 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.434782608695652) internal successors, (33), 23 states have internal predecessors, (33), 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) [2021-10-28 09:07:31,455 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-10-28 09:07:31,455 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:31,456 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:31,462 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 09:07:31,463 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:07:31,463 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:07:31,463 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.434782608695652) internal successors, (33), 23 states have internal predecessors, (33), 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) [2021-10-28 09:07:31,469 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-10-28 09:07:31,469 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:31,469 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:31,471 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 09:07:31,471 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:07:31,479 INFO L791 eck$LassoCheckResult]: Stem: 5#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(117, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(109, #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; 16#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~ret6, main_#t~mem7, main_#t~mem8, main_#t~ret9, main_#t~mem10, main_#t~mem12, main_#t~post11, main_~i~1, main_#t~ret13, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet5;havoc main_#t~nondet5; 14#L31true 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;sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 22#L22-3true [2021-10-28 09:07:31,481 INFO L793 eck$LassoCheckResult]: Loop: 22#L22-3true assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 17#L22-2true sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 22#L22-3true [2021-10-28 09:07:31,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:31,494 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-10-28 09:07:31,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:31,506 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091733488] [2021-10-28 09:07:31,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:31,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:31,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:31,660 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:31,714 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:31,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:31,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1379, now seen corresponding path program 1 times [2021-10-28 09:07:31,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:31,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123509505] [2021-10-28 09:07:31,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:31,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:31,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:31,726 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:31,734 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:31,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:31,736 INFO L85 PathProgramCache]: Analyzing trace with hash 28693956, now seen corresponding path program 1 times [2021-10-28 09:07:31,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:31,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79703425] [2021-10-28 09:07:31,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:31,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:31,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:31,766 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:31,798 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:32,863 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:07:32,864 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:07:32,864 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:07:32,864 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:07:32,864 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:07:32,864 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:32,864 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:07:32,865 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:07:32,865 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum.i_Iteration1_Lasso [2021-10-28 09:07:32,865 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:07:32,865 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:07:32,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:32,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:32,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:32,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:32,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:32,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:32,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:32,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:32,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:32,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:32,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:32,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:32,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:32,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:32,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:32,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:33,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:33,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:33,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:33,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:33,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:33,887 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:07:33,891 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:07:33,893 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:33,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:33,900 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:33,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:07:33,907 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 [2021-10-28 09:07:33,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:33,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:33,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:33,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:33,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:33,921 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:33,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:33,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:33,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-28 09:07:33,956 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:33,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:33,959 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:33,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:07:33,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:33,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:33,974 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:33,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:33,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:33,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:33,975 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:33,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:34,011 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:34,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:34,032 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:34,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:34,033 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:34,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:07:34,040 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 [2021-10-28 09:07:34,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:34,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:34,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:34,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:34,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:34,050 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:34,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:34,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:34,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:34,072 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:34,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:34,073 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:34,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:07:34,074 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 [2021-10-28 09:07:34,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:34,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:34,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:34,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:34,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:34,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:34,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:34,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:34,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:34,109 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:34,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:34,110 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:34,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:07:34,116 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 [2021-10-28 09:07:34,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:34,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:34,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:34,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:34,128 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:34,128 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:34,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:34,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:34,164 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:34,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:34,165 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:34,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:07:34,166 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 [2021-10-28 09:07:34,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:34,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:34,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:34,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:34,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:34,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:34,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:34,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:34,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:34,204 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:34,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:34,205 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:34,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:07:34,210 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 [2021-10-28 09:07:34,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:34,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:34,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:34,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:34,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:34,220 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:34,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:34,221 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:34,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-10-28 09:07:34,246 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:34,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:34,247 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:34,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 09:07:34,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:34,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:34,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:34,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:34,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:34,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:34,257 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:34,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:34,262 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:34,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:34,285 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:34,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:34,287 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:34,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 09:07:34,294 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 [2021-10-28 09:07:34,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:34,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:34,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:34,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:34,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:34,305 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:34,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:34,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:34,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:34,355 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:34,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:34,356 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:34,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 09:07:34,359 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 [2021-10-28 09:07:34,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:34,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:34,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:34,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:34,370 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:34,370 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:34,397 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:34,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:34,417 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:34,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:34,419 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:34,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 09:07:34,422 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 [2021-10-28 09:07:34,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:34,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:34,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:34,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:34,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:34,436 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:34,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:34,437 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:34,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:34,458 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:34,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:34,459 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:34,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 09:07:34,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:34,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:34,468 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:34,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:34,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:34,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:34,469 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:34,469 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:34,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:34,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:34,497 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:34,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:34,498 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:34,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 09:07:34,502 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 [2021-10-28 09:07:34,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:34,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:34,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:34,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:34,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:34,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:34,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:34,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:34,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:34,561 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:34,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:34,562 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:34,571 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 [2021-10-28 09:07:34,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:34,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:34,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:34,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:34,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:34,582 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:34,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:34,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 09:07:34,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:34,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:34,617 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:34,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:34,618 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:34,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 09:07:34,619 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 [2021-10-28 09:07:34,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:34,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:34,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:34,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:34,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:34,627 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:34,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:34,641 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:34,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:34,676 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:34,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:34,677 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:34,685 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 [2021-10-28 09:07:34,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:34,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:34,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:34,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:34,699 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:34,699 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:34,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 09:07:34,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:34,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:34,761 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:34,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:34,764 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:34,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 09:07:34,769 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 [2021-10-28 09:07:34,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:34,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:34,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:34,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:34,783 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:34,783 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:34,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:34,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:34,818 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:34,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:34,819 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:34,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 09:07:34,824 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 [2021-10-28 09:07:34,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:34,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:34,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:34,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:34,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:34,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:34,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:34,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:34,861 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:34,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:34,863 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:34,887 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 [2021-10-28 09:07:34,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 09:07:34,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:34,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:34,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:34,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:34,898 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:34,898 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:34,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:34,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:34,930 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:34,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:34,931 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:34,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 09:07:34,933 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 [2021-10-28 09:07:34,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:34,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:34,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:34,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:34,944 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:34,944 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:34,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:34,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:34,986 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:34,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:34,987 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:34,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 09:07:34,991 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 [2021-10-28 09:07:34,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:34,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:34,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:34,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:35,002 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:35,002 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:35,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:35,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-10-28 09:07:35,035 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:35,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:35,037 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:35,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 09:07:35,039 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 [2021-10-28 09:07:35,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:35,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:35,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:35,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:35,050 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:35,050 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:35,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:35,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:35,100 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:35,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:35,101 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:35,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 09:07:35,102 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 [2021-10-28 09:07:35,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:35,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:35,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:35,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:35,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:35,112 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:35,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:35,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:35,185 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:35,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:35,186 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:35,192 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 [2021-10-28 09:07:35,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:35,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:35,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:35,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:35,204 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:35,204 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:35,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 09:07:35,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:35,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:35,257 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:35,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:35,260 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:35,261 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 [2021-10-28 09:07:35,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:35,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:35,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:35,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:35,281 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:35,281 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:35,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 09:07:35,299 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:07:35,420 INFO L443 ModelExtractionUtils]: Simplification made 23 calls to the SMT solver. [2021-10-28 09:07:35,420 INFO L444 ModelExtractionUtils]: 6 out of 31 variables were initially zero. Simplification set additionally 22 variables to zero. [2021-10-28 09:07:35,422 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:35,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:35,448 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:35,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 09:07:35,499 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:07:35,535 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:07:35,535 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:07:35,537 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sum_~i~0, ~N~0) = -1*ULTIMATE.start_sum_~i~0 + 1*~N~0 Supporting invariants [] [2021-10-28 09:07:35,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:35,704 INFO L297 tatePredicateManager]: 38 out of 38 supporting invariants were superfluous and have been removed [2021-10-28 09:07:35,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:35,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:07:35,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:35,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:07:35,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:35,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:35,833 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 [2021-10-28 09:07:35,835 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.434782608695652) internal successors, (33), 23 states have internal predecessors, (33), 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:35,895 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.434782608695652) internal successors, (33), 23 states have internal predecessors, (33), 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 51 states and 69 transitions. Complement of second has 8 states. [2021-10-28 09:07:35,895 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 [2021-10-28 09:07:35,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:35,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 37 transitions. [2021-10-28 09:07:35,900 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 3 letters. Loop has 2 letters. [2021-10-28 09:07:35,901 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:07:35,901 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-28 09:07:35,902 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:07:35,902 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 3 letters. Loop has 4 letters. [2021-10-28 09:07:35,902 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:07:35,903 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 69 transitions. [2021-10-28 09:07:35,913 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-10-28 09:07:35,918 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 17 states and 23 transitions. [2021-10-28 09:07:35,919 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-10-28 09:07:35,919 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-10-28 09:07:35,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2021-10-28 09:07:35,920 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:07:35,920 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-10-28 09:07:35,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2021-10-28 09:07:35,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-10-28 09:07:35,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 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) [2021-10-28 09:07:35,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2021-10-28 09:07:35,948 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-10-28 09:07:35,948 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-10-28 09:07:35,948 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:07:35,949 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2021-10-28 09:07:35,950 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-10-28 09:07:35,950 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:35,951 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:35,951 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:07:35,951 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:07:35,952 INFO L791 eck$LassoCheckResult]: Stem: 272#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(117, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(109, #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; 273#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~ret6, main_#t~mem7, main_#t~mem8, main_#t~ret9, main_#t~mem10, main_#t~mem12, main_#t~post11, main_~i~1, main_#t~ret13, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet5;havoc main_#t~nondet5; 282#L31 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;sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 283#L22-3 assume !(sum_~i~0 < ~N~0); 284#L22-4 sum_#res := (if sum_~ret~0 % 4294967296 <= 2147483647 then sum_~ret~0 % 4294967296 else sum_~ret~0 % 4294967296 - 4294967296); 277#L25 main_#t~ret6 := sum_#res;main_~ret~1 := main_#t~ret6;havoc main_#t~ret6;call main_#t~mem7 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem7;havoc main_#t~mem7;call main_#t~mem8 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem8, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem8;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 278#L22-8 [2021-10-28 09:07:35,953 INFO L793 eck$LassoCheckResult]: Loop: 278#L22-8 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 279#L22-7 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 278#L22-8 [2021-10-28 09:07:35,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:35,953 INFO L85 PathProgramCache]: Analyzing trace with hash 889510859, now seen corresponding path program 1 times [2021-10-28 09:07:35,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:35,954 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717481276] [2021-10-28 09:07:35,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:35,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:36,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:36,071 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:36,071 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717481276] [2021-10-28 09:07:36,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717481276] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:36,072 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:36,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:36,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846873325] [2021-10-28 09:07:36,075 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:07:36,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:36,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1891, now seen corresponding path program 1 times [2021-10-28 09:07:36,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:36,077 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384597264] [2021-10-28 09:07:36,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:36,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:36,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:36,092 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:36,114 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:36,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:36,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:36,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:36,188 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 10 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) [2021-10-28 09:07:36,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:36,222 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2021-10-28 09:07:36,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:36,223 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2021-10-28 09:07:36,226 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-10-28 09:07:36,227 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 21 transitions. [2021-10-28 09:07:36,227 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-10-28 09:07:36,227 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-10-28 09:07:36,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2021-10-28 09:07:36,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:07:36,228 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-10-28 09:07:36,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2021-10-28 09:07:36,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2021-10-28 09:07:36,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:36,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2021-10-28 09:07:36,238 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-10-28 09:07:36,238 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-10-28 09:07:36,238 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 09:07:36,238 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2021-10-28 09:07:36,239 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-10-28 09:07:36,239 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:36,239 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:36,240 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:36,240 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:07:36,240 INFO L791 eck$LassoCheckResult]: Stem: 313#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(117, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(109, #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; 314#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~ret6, main_#t~mem7, main_#t~mem8, main_#t~ret9, main_#t~mem10, main_#t~mem12, main_#t~post11, main_~i~1, main_#t~ret13, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet5;havoc main_#t~nondet5; 323#L31 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;sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 324#L22-3 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 326#L22-2 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 327#L22-3 assume !(sum_~i~0 < ~N~0); 325#L22-4 sum_#res := (if sum_~ret~0 % 4294967296 <= 2147483647 then sum_~ret~0 % 4294967296 else sum_~ret~0 % 4294967296 - 4294967296); 318#L25 main_#t~ret6 := sum_#res;main_~ret~1 := main_#t~ret6;havoc main_#t~ret6;call main_#t~mem7 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem7;havoc main_#t~mem7;call main_#t~mem8 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem8, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem8;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 319#L22-8 [2021-10-28 09:07:36,241 INFO L793 eck$LassoCheckResult]: Loop: 319#L22-8 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 320#L22-7 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 319#L22-8 [2021-10-28 09:07:36,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:36,241 INFO L85 PathProgramCache]: Analyzing trace with hash 123162473, now seen corresponding path program 1 times [2021-10-28 09:07:36,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:36,242 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57972361] [2021-10-28 09:07:36,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:36,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:36,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:36,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:36,349 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:36,352 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57972361] [2021-10-28 09:07:36,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57972361] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:07:36,354 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226566947] [2021-10-28 09:07:36,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:36,355 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:07:36,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:36,360 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:07:36,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-10-28 09:07:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:36,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:07:36,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:36,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:36,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226566947] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:07:36,509 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:07:36,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-10-28 09:07:36,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575086195] [2021-10-28 09:07:36,510 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:07:36,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:36,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1891, now seen corresponding path program 2 times [2021-10-28 09:07:36,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:36,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695837320] [2021-10-28 09:07:36,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:36,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:36,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:36,521 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:36,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:36,533 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:36,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:36,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:07:36,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:07:36,588 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. cyclomatic complexity: 7 Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 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) [2021-10-28 09:07:36,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:36,641 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2021-10-28 09:07:36,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:07:36,641 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. [2021-10-28 09:07:36,643 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-10-28 09:07:36,644 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 23 transitions. [2021-10-28 09:07:36,644 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-10-28 09:07:36,644 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-10-28 09:07:36,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 23 transitions. [2021-10-28 09:07:36,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:07:36,645 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-10-28 09:07:36,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 23 transitions. [2021-10-28 09:07:36,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2021-10-28 09:07:36,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 18 states have internal predecessors, (22), 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) [2021-10-28 09:07:36,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2021-10-28 09:07:36,648 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 22 transitions. [2021-10-28 09:07:36,648 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 22 transitions. [2021-10-28 09:07:36,649 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 09:07:36,649 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 22 transitions. [2021-10-28 09:07:36,651 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-10-28 09:07:36,651 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:36,651 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:36,652 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:36,652 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:07:36,652 INFO L791 eck$LassoCheckResult]: Stem: 380#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(117, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(109, #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; 381#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~ret6, main_#t~mem7, main_#t~mem8, main_#t~ret9, main_#t~mem10, main_#t~mem12, main_#t~post11, main_~i~1, main_#t~ret13, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet5;havoc main_#t~nondet5; 390#L31 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;sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 391#L22-3 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 393#L22-2 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 394#L22-3 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 395#L22-2 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 396#L22-3 assume !(sum_~i~0 < ~N~0); 392#L22-4 sum_#res := (if sum_~ret~0 % 4294967296 <= 2147483647 then sum_~ret~0 % 4294967296 else sum_~ret~0 % 4294967296 - 4294967296); 385#L25 main_#t~ret6 := sum_#res;main_~ret~1 := main_#t~ret6;havoc main_#t~ret6;call main_#t~mem7 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem7;havoc main_#t~mem7;call main_#t~mem8 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem8, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem8;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 386#L22-8 [2021-10-28 09:07:36,653 INFO L793 eck$LassoCheckResult]: Loop: 386#L22-8 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 387#L22-7 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 386#L22-8 [2021-10-28 09:07:36,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:36,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1898228857, now seen corresponding path program 2 times [2021-10-28 09:07:36,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:36,654 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808124520] [2021-10-28 09:07:36,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:36,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:36,718 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:36,743 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:36,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:36,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1891, now seen corresponding path program 3 times [2021-10-28 09:07:36,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:36,745 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687710023] [2021-10-28 09:07:36,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:36,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:36,752 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:36,756 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:36,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:36,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1163170153, now seen corresponding path program 1 times [2021-10-28 09:07:36,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:36,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191640349] [2021-10-28 09:07:36,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:36,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:36,803 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:36,852 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:37,979 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:07:37,980 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:07:37,980 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:07:37,980 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:07:37,980 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:07:37,980 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:37,980 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:07:37,980 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:07:37,980 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum.i_Iteration4_Lasso [2021-10-28 09:07:37,980 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:07:37,980 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:07:37,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:37,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:37,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:37,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:37,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:37,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:37,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:37,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:39,323 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:07:39,324 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:07:39,324 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:39,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:39,343 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:39,344 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 [2021-10-28 09:07:39,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:39,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:39,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:39,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:39,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:39,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:39,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:39,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 09:07:39,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:39,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:39,400 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:39,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:39,402 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:39,403 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 [2021-10-28 09:07:39,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:39,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:39,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:39,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:39,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:39,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 09:07:39,411 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:39,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:39,412 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:39,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:39,432 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:39,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:39,432 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:39,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 09:07:39,434 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 [2021-10-28 09:07:39,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:39,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:39,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:39,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:39,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:39,442 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:39,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:39,442 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:39,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-10-28 09:07:39,462 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:39,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:39,462 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:39,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:39,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 09:07:39,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:39,471 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:39,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:39,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:39,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:39,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:39,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:39,473 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:39,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-10-28 09:07:39,492 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:39,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:39,494 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:39,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 09:07:39,499 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 [2021-10-28 09:07:39,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:39,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:39,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:39,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:39,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:39,507 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:39,507 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:39,508 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:39,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:39,527 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:39,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:39,528 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:39,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 09:07:39,530 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 [2021-10-28 09:07:39,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:39,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:39,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:39,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:39,539 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:39,539 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:39,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:39,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-10-28 09:07:39,596 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:39,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:39,597 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:39,605 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 [2021-10-28 09:07:39,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:39,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:39,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:39,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:39,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:39,615 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:39,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:39,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 09:07:39,616 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:39,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-10-28 09:07:39,636 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:39,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:39,636 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:39,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:39,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 09:07:39,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:39,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:39,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:39,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:39,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:39,646 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:39,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:39,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:39,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:39,669 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:39,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:39,670 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:39,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 09:07:39,671 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 [2021-10-28 09:07:39,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:39,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:39,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:39,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:39,680 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:39,680 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:39,704 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:39,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:39,737 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:39,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:39,748 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:39,752 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 [2021-10-28 09:07:39,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:39,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:39,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:39,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:39,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:39,762 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:39,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:39,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 09:07:39,787 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:39,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:39,820 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:39,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:39,821 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:39,823 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 [2021-10-28 09:07:39,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:39,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:39,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:39,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:39,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:39,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:39,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:39,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 09:07:39,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:39,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-10-28 09:07:39,858 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:39,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:39,859 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:39,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 09:07:39,861 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 [2021-10-28 09:07:39,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:39,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:39,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:39,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:39,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:39,869 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:39,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:39,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:39,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:39,890 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:39,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:39,891 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:39,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 09:07:39,892 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 [2021-10-28 09:07:39,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:39,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:39,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:39,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:39,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:39,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:39,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:39,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:39,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:39,920 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:39,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:39,921 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:39,922 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 [2021-10-28 09:07:39,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 09:07:39,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:39,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:39,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:39,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:39,933 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:39,934 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:39,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:39,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:39,996 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:39,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:39,997 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:40,004 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 [2021-10-28 09:07:40,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:40,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:40,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:40,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:40,015 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:40,015 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:40,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 09:07:40,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:40,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-10-28 09:07:40,038 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:40,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:40,039 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:40,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 09:07:40,041 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 [2021-10-28 09:07:40,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:40,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:40,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:40,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:40,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:40,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:40,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:40,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:40,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:40,120 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:40,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:40,124 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:40,125 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 [2021-10-28 09:07:40,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 09:07:40,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:40,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:40,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:40,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:40,135 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:40,135 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:40,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:40,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:40,171 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:40,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:40,172 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:40,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-28 09:07:40,174 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 [2021-10-28 09:07:40,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:40,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:40,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:40,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:40,182 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:40,183 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:40,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:40,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:40,205 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:40,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:40,206 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:40,207 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 [2021-10-28 09:07:40,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-28 09:07:40,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:40,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:40,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:40,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:40,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:40,215 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:40,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:40,216 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:40,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-10-28 09:07:40,236 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:40,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:40,237 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:40,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-28 09:07:40,247 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 [2021-10-28 09:07:40,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:40,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:40,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:40,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:40,261 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:40,261 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:40,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:40,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-10-28 09:07:40,316 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:40,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:40,317 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:40,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-28 09:07:40,318 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 [2021-10-28 09:07:40,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:40,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:40,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:40,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:40,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:40,326 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:40,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:40,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:40,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-10-28 09:07:40,346 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:40,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:40,347 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:40,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-28 09:07:40,349 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 [2021-10-28 09:07:40,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:40,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:40,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:40,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:40,359 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:40,360 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:40,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:40,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:40,405 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:40,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:40,405 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:40,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-28 09:07:40,406 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 [2021-10-28 09:07:40,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:40,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:40,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:40,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:40,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:40,414 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:40,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:40,417 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:40,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-10-28 09:07:40,436 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:40,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:40,438 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:40,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-28 09:07:40,439 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 [2021-10-28 09:07:40,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:40,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:40,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:40,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:40,455 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:40,455 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:40,473 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:40,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:40,507 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:40,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:40,508 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:40,520 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:40,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:40,532 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:40,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:40,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:40,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:40,532 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:40,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:40,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-28 09:07:40,547 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:40,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:40,572 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:40,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:40,573 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:40,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-28 09:07:40,580 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 [2021-10-28 09:07:40,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:40,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:40,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:40,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:40,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:40,588 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:40,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:40,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:40,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:40,610 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:40,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:40,611 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:40,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-28 09:07:40,613 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:40,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:40,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:40,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:40,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:40,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:40,621 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:40,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:40,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:40,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-10-28 09:07:40,641 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:40,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:40,642 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:40,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-28 09:07:40,644 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 [2021-10-28 09:07:40,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:40,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:40,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:40,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:40,663 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:40,664 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:40,687 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:07:40,732 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2021-10-28 09:07:40,732 INFO L444 ModelExtractionUtils]: 1 out of 31 variables were initially zero. Simplification set additionally 27 variables to zero. [2021-10-28 09:07:40,732 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:40,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:40,736 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:40,740 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:07:40,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-28 09:07:40,748 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:07:40,748 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:07:40,748 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sum_~i~0, ~N~0) = -1*ULTIMATE.start_sum_~i~0 + 1*~N~0 Supporting invariants [] [2021-10-28 09:07:40,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-10-28 09:07:40,957 INFO L297 tatePredicateManager]: 55 out of 55 supporting invariants were superfluous and have been removed [2021-10-28 09:07:40,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:40,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:40,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:07:40,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:41,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:41,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:07:41,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:41,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:41,051 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 [2021-10-28 09:07:41,052 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 22 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-10-28 09:07:41,076 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 22 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 26 states and 33 transitions. Complement of second has 7 states. [2021-10-28 09:07:41,076 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 [2021-10-28 09:07:41,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-10-28 09:07:41,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2021-10-28 09:07:41,077 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 10 letters. Loop has 2 letters. [2021-10-28 09:07:41,077 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:07:41,077 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 12 letters. Loop has 2 letters. [2021-10-28 09:07:41,078 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:07:41,078 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 10 letters. Loop has 4 letters. [2021-10-28 09:07:41,078 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:07:41,078 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 33 transitions. [2021-10-28 09:07:41,079 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 09:07:41,080 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 20 states and 24 transitions. [2021-10-28 09:07:41,080 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-28 09:07:41,080 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-28 09:07:41,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 24 transitions. [2021-10-28 09:07:41,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:07:41,081 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2021-10-28 09:07:41,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 24 transitions. [2021-10-28 09:07:41,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-10-28 09:07:41,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.2) internal successors, (24), 19 states have internal predecessors, (24), 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) [2021-10-28 09:07:41,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2021-10-28 09:07:41,083 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2021-10-28 09:07:41,083 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2021-10-28 09:07:41,083 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 09:07:41,084 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 24 transitions. [2021-10-28 09:07:41,084 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 09:07:41,084 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:41,084 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:41,085 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:41,085 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:07:41,085 INFO L791 eck$LassoCheckResult]: Stem: 705#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(117, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(109, #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; 706#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~ret6, main_#t~mem7, main_#t~mem8, main_#t~ret9, main_#t~mem10, main_#t~mem12, main_#t~post11, main_~i~1, main_#t~ret13, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet5;havoc main_#t~nondet5; 717#L31 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;sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 718#L22-3 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 719#L22-2 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 720#L22-3 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 721#L22-2 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 722#L22-3 assume !(sum_~i~0 < ~N~0); 716#L22-4 sum_#res := (if sum_~ret~0 % 4294967296 <= 2147483647 then sum_~ret~0 % 4294967296 else sum_~ret~0 % 4294967296 - 4294967296); 710#L25 main_#t~ret6 := sum_#res;main_~ret~1 := main_#t~ret6;havoc main_#t~ret6;call main_#t~mem7 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem7;havoc main_#t~mem7;call main_#t~mem8 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem8, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem8;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 711#L22-8 assume !(sum_~i~0 < ~N~0); 714#L22-9 sum_#res := (if sum_~ret~0 % 4294967296 <= 2147483647 then sum_~ret~0 % 4294967296 else sum_~ret~0 % 4294967296 - 4294967296); 715#L25-1 main_#t~ret9 := sum_#res;main_~ret2~0 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;main_~i~1 := 0; 709#L43-3 [2021-10-28 09:07:41,086 INFO L793 eck$LassoCheckResult]: Loop: 709#L43-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem12, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem12; 708#L43-2 main_#t~post11 := main_~i~1;main_~i~1 := 1 + main_#t~post11;havoc main_#t~post11; 709#L43-3 [2021-10-28 09:07:41,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:41,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1698534614, now seen corresponding path program 1 times [2021-10-28 09:07:41,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:41,087 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676049399] [2021-10-28 09:07:41,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:41,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:41,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-28 09:07:41,123 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:41,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676049399] [2021-10-28 09:07:41,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676049399] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:41,123 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:41,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:07:41,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700469970] [2021-10-28 09:07:41,124 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:07:41,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:41,125 INFO L85 PathProgramCache]: Analyzing trace with hash 2403, now seen corresponding path program 1 times [2021-10-28 09:07:41,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:41,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078039098] [2021-10-28 09:07:41,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:41,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:41,129 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:41,134 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:41,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:41,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:07:41,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:07:41,191 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:41,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:41,231 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2021-10-28 09:07:41,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:07:41,232 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 26 transitions. [2021-10-28 09:07:41,236 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 09:07:41,237 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 26 transitions. [2021-10-28 09:07:41,237 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-28 09:07:41,237 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-10-28 09:07:41,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 26 transitions. [2021-10-28 09:07:41,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:07:41,238 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 26 transitions. [2021-10-28 09:07:41,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 26 transitions. [2021-10-28 09:07:41,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 20. [2021-10-28 09:07:41,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.15) internal successors, (23), 19 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) [2021-10-28 09:07:41,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2021-10-28 09:07:41,241 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-10-28 09:07:41,241 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-10-28 09:07:41,241 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 09:07:41,241 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. [2021-10-28 09:07:41,241 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 09:07:41,242 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:41,242 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:41,242 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:41,243 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:07:41,243 INFO L791 eck$LassoCheckResult]: Stem: 755#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(117, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(109, #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; 756#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~ret6, main_#t~mem7, main_#t~mem8, main_#t~ret9, main_#t~mem10, main_#t~mem12, main_#t~post11, main_~i~1, main_#t~ret13, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet5;havoc main_#t~nondet5; 767#L31 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;sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 768#L22-3 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 769#L22-2 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 770#L22-3 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 771#L22-2 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 772#L22-3 assume !(sum_~i~0 < ~N~0); 766#L22-4 sum_#res := (if sum_~ret~0 % 4294967296 <= 2147483647 then sum_~ret~0 % 4294967296 else sum_~ret~0 % 4294967296 - 4294967296); 760#L25 main_#t~ret6 := sum_#res;main_~ret~1 := main_#t~ret6;havoc main_#t~ret6;call main_#t~mem7 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem7;havoc main_#t~mem7;call main_#t~mem8 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem8, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem8;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 761#L22-8 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 762#L22-7 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 763#L22-8 assume !(sum_~i~0 < ~N~0); 764#L22-9 sum_#res := (if sum_~ret~0 % 4294967296 <= 2147483647 then sum_~ret~0 % 4294967296 else sum_~ret~0 % 4294967296 - 4294967296); 765#L25-1 main_#t~ret9 := sum_#res;main_~ret2~0 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;main_~i~1 := 0; 759#L43-3 [2021-10-28 09:07:41,243 INFO L793 eck$LassoCheckResult]: Loop: 759#L43-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem12, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem12; 758#L43-2 main_#t~post11 := main_~i~1;main_~i~1 := 1 + main_#t~post11;havoc main_#t~post11; 759#L43-3 [2021-10-28 09:07:41,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:41,244 INFO L85 PathProgramCache]: Analyzing trace with hash 205910964, now seen corresponding path program 1 times [2021-10-28 09:07:41,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:41,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790227272] [2021-10-28 09:07:41,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:41,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:41,311 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-28 09:07:41,311 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:41,311 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790227272] [2021-10-28 09:07:41,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790227272] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:07:41,311 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550877845] [2021-10-28 09:07:41,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:41,311 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:07:41,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:41,312 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:07:41,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Waiting until timeout for monitored process [2021-10-28 09:07:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:41,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:07:41,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:41,472 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-28 09:07:41,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550877845] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:07:41,472 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:07:41,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-10-28 09:07:41,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558726821] [2021-10-28 09:07:41,474 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:07:41,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:41,474 INFO L85 PathProgramCache]: Analyzing trace with hash 2403, now seen corresponding path program 2 times [2021-10-28 09:07:41,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:41,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20480763] [2021-10-28 09:07:41,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:41,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:41,494 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:41,508 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:41,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:41,592 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:41,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:07:41,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:07:41,593 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. cyclomatic complexity: 7 Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:41,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:41,665 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2021-10-28 09:07:41,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:07:41,666 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 31 transitions. [2021-10-28 09:07:41,668 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 09:07:41,670 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 28 states and 31 transitions. [2021-10-28 09:07:41,671 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-10-28 09:07:41,671 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-10-28 09:07:41,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 31 transitions. [2021-10-28 09:07:41,672 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:07:41,672 INFO L681 BuchiCegarLoop]: Abstraction has 28 states and 31 transitions. [2021-10-28 09:07:41,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 31 transitions. [2021-10-28 09:07:41,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 22. [2021-10-28 09:07:41,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 21 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) [2021-10-28 09:07:41,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2021-10-28 09:07:41,675 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2021-10-28 09:07:41,675 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2021-10-28 09:07:41,676 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-28 09:07:41,676 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 25 transitions. [2021-10-28 09:07:41,677 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 09:07:41,677 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:41,677 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:41,678 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:41,678 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:07:41,679 INFO L791 eck$LassoCheckResult]: Stem: 857#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(117, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(109, #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; 858#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~ret6, main_#t~mem7, main_#t~mem8, main_#t~ret9, main_#t~mem10, main_#t~mem12, main_#t~post11, main_~i~1, main_#t~ret13, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet5;havoc main_#t~nondet5; 869#L31 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;sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 870#L22-3 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 871#L22-2 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 872#L22-3 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 874#L22-2 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 876#L22-3 assume !(sum_~i~0 < ~N~0); 868#L22-4 sum_#res := (if sum_~ret~0 % 4294967296 <= 2147483647 then sum_~ret~0 % 4294967296 else sum_~ret~0 % 4294967296 - 4294967296); 862#L25 main_#t~ret6 := sum_#res;main_~ret~1 := main_#t~ret6;havoc main_#t~ret6;call main_#t~mem7 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem7;havoc main_#t~mem7;call main_#t~mem8 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem8, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem8;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 863#L22-8 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 864#L22-7 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 865#L22-8 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 866#L22-7 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 875#L22-8 assume !(sum_~i~0 < ~N~0); 873#L22-9 sum_#res := (if sum_~ret~0 % 4294967296 <= 2147483647 then sum_~ret~0 % 4294967296 else sum_~ret~0 % 4294967296 - 4294967296); 867#L25-1 main_#t~ret9 := sum_#res;main_~ret2~0 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;main_~i~1 := 0; 861#L43-3 [2021-10-28 09:07:41,680 INFO L793 eck$LassoCheckResult]: Loop: 861#L43-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem12, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem12; 860#L43-2 main_#t~post11 := main_~i~1;main_~i~1 := 1 + main_#t~post11;havoc main_#t~post11; 861#L43-3 [2021-10-28 09:07:41,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:41,680 INFO L85 PathProgramCache]: Analyzing trace with hash 313660178, now seen corresponding path program 2 times [2021-10-28 09:07:41,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:41,680 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883206934] [2021-10-28 09:07:41,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:41,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:41,737 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:41,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:41,785 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:41,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:41,788 INFO L85 PathProgramCache]: Analyzing trace with hash 2403, now seen corresponding path program 3 times [2021-10-28 09:07:41,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:41,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807770639] [2021-10-28 09:07:41,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:41,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:41,792 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:41,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:41,799 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:41,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:41,800 INFO L85 PathProgramCache]: Analyzing trace with hash 779721780, now seen corresponding path program 1 times [2021-10-28 09:07:41,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:41,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422352102] [2021-10-28 09:07:41,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:41,801 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:41,825 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:41,867 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:43,503 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:07:43,503 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:07:43,503 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:07:43,503 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:07:43,503 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:07:43,504 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:43,504 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:07:43,504 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:07:43,504 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum.i_Iteration7_Lasso [2021-10-28 09:07:43,504 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:07:43,504 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:07:43,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:44,075 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-10-28 09:07:45,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:46,045 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:07:46,046 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:07:46,046 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:46,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:46,061 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:46,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:46,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:46,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:46,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:46,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:46,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:46,075 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:46,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:46,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-28 09:07:46,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:46,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-10-28 09:07:46,117 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:46,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:46,118 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:46,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-28 09:07:46,119 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 [2021-10-28 09:07:46,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:46,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:46,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:46,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:46,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:46,127 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:46,127 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:46,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:46,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-10-28 09:07:46,147 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:46,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:46,147 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:46,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-28 09:07:46,149 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 [2021-10-28 09:07:46,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:46,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:46,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:46,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:46,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:46,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:46,160 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:46,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:46,179 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:46,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:46,180 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:46,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-28 09:07:46,181 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 [2021-10-28 09:07:46,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:46,188 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:46,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:46,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:46,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:46,188 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:46,188 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:46,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:46,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-10-28 09:07:46,208 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:46,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:46,209 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:46,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-28 09:07:46,210 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 [2021-10-28 09:07:46,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:46,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:46,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:46,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:46,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:46,218 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:46,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:46,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:46,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-10-28 09:07:46,237 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:46,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:46,238 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:46,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-28 09:07:46,239 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 [2021-10-28 09:07:46,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:46,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:46,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:46,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:46,247 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:46,247 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:46,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:46,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-10-28 09:07:46,269 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:46,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:46,270 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:46,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-28 09:07:46,271 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 [2021-10-28 09:07:46,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:46,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:46,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:46,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:46,280 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:46,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:46,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:46,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:46,306 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:46,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:46,307 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:46,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-28 09:07:46,308 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 [2021-10-28 09:07:46,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:46,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:46,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:46,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:46,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:46,318 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:46,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:46,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:46,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:46,354 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:46,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:46,355 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:46,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-28 09:07:46,358 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 [2021-10-28 09:07:46,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:46,365 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-28 09:07:46,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:46,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:46,376 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-28 09:07:46,376 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:46,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:46,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-10-28 09:07:46,433 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:46,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:46,434 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:46,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-28 09:07:46,437 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 [2021-10-28 09:07:46,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:46,444 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:46,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:46,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:46,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:46,445 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:46,445 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:46,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:46,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-10-28 09:07:46,465 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:46,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:46,484 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:46,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-28 09:07:46,485 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 [2021-10-28 09:07:46,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:46,492 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-28 09:07:46,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:46,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:46,494 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-28 09:07:46,494 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:46,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:46,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:46,517 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:46,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:46,518 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:46,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-28 09:07:46,520 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:46,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:46,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:46,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:46,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:46,528 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:46,528 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:46,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:46,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-10-28 09:07:46,550 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:46,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:46,550 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:46,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-28 09:07:46,552 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 [2021-10-28 09:07:46,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:46,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:46,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:46,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:46,561 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:46,561 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:46,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:46,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-10-28 09:07:46,592 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:46,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:46,593 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:46,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-28 09:07:46,595 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 [2021-10-28 09:07:46,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:46,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:46,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:46,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:46,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:46,602 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:46,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:46,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:46,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-10-28 09:07:46,622 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:46,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:46,623 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:46,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-28 09:07:46,624 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 [2021-10-28 09:07:46,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:46,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:46,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:46,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:46,632 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:46,632 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:46,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:46,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-10-28 09:07:46,653 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:46,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:46,661 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:46,674 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 [2021-10-28 09:07:46,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:46,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:46,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:46,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:46,686 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:46,686 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:46,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-28 09:07:46,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:46,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:46,735 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:46,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:46,736 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:46,738 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 [2021-10-28 09:07:46,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:46,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:46,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:46,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:46,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:46,748 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:46,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:46,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-28 09:07:46,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:46,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-10-28 09:07:46,798 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:46,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:46,799 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:46,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-28 09:07:46,800 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 [2021-10-28 09:07:46,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:46,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:46,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:46,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:46,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:46,807 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:46,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:46,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:46,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:46,828 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:46,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:46,829 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:46,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-28 09:07:46,836 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 [2021-10-28 09:07:46,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:46,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:46,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:46,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:46,844 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:46,844 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:46,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:46,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-10-28 09:07:46,866 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:46,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:46,866 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:46,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-28 09:07:46,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:46,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:46,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:46,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:46,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:46,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:46,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:46,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:46,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:46,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:46,905 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:46,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:46,906 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:46,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-28 09:07:46,907 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 [2021-10-28 09:07:46,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:46,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:46,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:46,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:46,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:46,915 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:46,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:46,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:46,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:46,935 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:46,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:46,936 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:46,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-28 09:07:46,937 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 [2021-10-28 09:07:46,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:46,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:46,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:46,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:46,950 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:46,950 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:46,964 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:07:47,018 INFO L443 ModelExtractionUtils]: Simplification made 23 calls to the SMT solver. [2021-10-28 09:07:47,018 INFO L444 ModelExtractionUtils]: 4 out of 34 variables were initially zero. Simplification set additionally 27 variables to zero. [2021-10-28 09:07:47,018 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:47,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:47,019 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:47,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-28 09:07:47,020 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:07:47,028 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:07:47,028 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:07:47,028 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1, ~N~0) = -1*ULTIMATE.start_main_~i~1 + 1*~N~0 Supporting invariants [] [2021-10-28 09:07:47,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:47,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:47,353 INFO L297 tatePredicateManager]: 76 out of 76 supporting invariants were superfluous and have been removed [2021-10-28 09:07:47,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:47,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:47,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:07:47,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:47,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:07:47,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:47,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:47,464 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 [2021-10-28 09:07:47,464 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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) [2021-10-28 09:07:47,483 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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) Result 27 states and 34 transitions. Complement of second has 6 states. [2021-10-28 09:07:47,484 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 [2021-10-28 09:07:47,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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) [2021-10-28 09:07:47,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2021-10-28 09:07:47,484 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 17 letters. Loop has 2 letters. [2021-10-28 09:07:47,484 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:07:47,484 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 19 letters. Loop has 2 letters. [2021-10-28 09:07:47,485 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:07:47,485 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 17 letters. Loop has 4 letters. [2021-10-28 09:07:47,485 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:07:47,485 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 34 transitions. [2021-10-28 09:07:47,486 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 09:07:47,487 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 23 states and 27 transitions. [2021-10-28 09:07:47,487 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-10-28 09:07:47,488 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-28 09:07:47,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 27 transitions. [2021-10-28 09:07:47,488 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:07:47,488 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 27 transitions. [2021-10-28 09:07:47,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 27 transitions. [2021-10-28 09:07:47,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2021-10-28 09:07:47,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.173913043478261) internal successors, (27), 22 states have internal predecessors, (27), 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) [2021-10-28 09:07:47,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2021-10-28 09:07:47,490 INFO L704 BuchiCegarLoop]: Abstraction has 23 states and 27 transitions. [2021-10-28 09:07:47,490 INFO L587 BuchiCegarLoop]: Abstraction has 23 states and 27 transitions. [2021-10-28 09:07:47,491 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-28 09:07:47,491 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 27 transitions. [2021-10-28 09:07:47,491 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 09:07:47,491 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:47,491 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:47,492 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:47,492 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:07:47,492 INFO L791 eck$LassoCheckResult]: Stem: 1290#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(117, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(109, #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; 1291#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~ret6, main_#t~mem7, main_#t~mem8, main_#t~ret9, main_#t~mem10, main_#t~mem12, main_#t~post11, main_~i~1, main_#t~ret13, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet5;havoc main_#t~nondet5; 1302#L31 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;sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 1303#L22-3 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 1305#L22-2 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 1306#L22-3 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 1308#L22-2 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 1310#L22-3 assume !(sum_~i~0 < ~N~0); 1304#L22-4 sum_#res := (if sum_~ret~0 % 4294967296 <= 2147483647 then sum_~ret~0 % 4294967296 else sum_~ret~0 % 4294967296 - 4294967296); 1295#L25 main_#t~ret6 := sum_#res;main_~ret~1 := main_#t~ret6;havoc main_#t~ret6;call main_#t~mem7 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem7;havoc main_#t~mem7;call main_#t~mem8 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem8, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem8;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 1296#L22-8 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 1297#L22-7 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 1298#L22-8 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 1299#L22-7 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 1309#L22-8 assume !(sum_~i~0 < ~N~0); 1307#L22-9 sum_#res := (if sum_~ret~0 % 4294967296 <= 2147483647 then sum_~ret~0 % 4294967296 else sum_~ret~0 % 4294967296 - 4294967296); 1300#L25-1 main_#t~ret9 := sum_#res;main_~ret2~0 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;main_~i~1 := 0; 1301#L43-3 assume !(main_~i~1 < ~N~0 - 1); 1292#L43-4 call write~int(main_~temp~0, main_~#x~0.base, main_~#x~0.offset + 4 * (~N~0 - 1), 4);sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 1289#L22-13 [2021-10-28 09:07:47,493 INFO L793 eck$LassoCheckResult]: Loop: 1289#L22-13 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 1288#L22-12 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 1289#L22-13 [2021-10-28 09:07:47,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:47,493 INFO L85 PathProgramCache]: Analyzing trace with hash 779721722, now seen corresponding path program 1 times [2021-10-28 09:07:47,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:47,494 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920573619] [2021-10-28 09:07:47,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:47,494 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:47,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:47,526 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-28 09:07:47,527 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:47,527 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920573619] [2021-10-28 09:07:47,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920573619] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:47,527 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:47,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:07:47,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335952209] [2021-10-28 09:07:47,528 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:07:47,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:47,528 INFO L85 PathProgramCache]: Analyzing trace with hash 2851, now seen corresponding path program 1 times [2021-10-28 09:07:47,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:47,529 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101569322] [2021-10-28 09:07:47,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:47,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:47,533 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:47,536 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:47,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:47,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:07:47,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:07:47,572 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) [2021-10-28 09:07:47,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:47,599 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2021-10-28 09:07:47,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:07:47,599 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 27 transitions. [2021-10-28 09:07:47,600 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 09:07:47,600 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 24 states and 27 transitions. [2021-10-28 09:07:47,600 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-28 09:07:47,600 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-28 09:07:47,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 27 transitions. [2021-10-28 09:07:47,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:07:47,601 INFO L681 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2021-10-28 09:07:47,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 27 transitions. [2021-10-28 09:07:47,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2021-10-28 09:07:47,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 22 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) [2021-10-28 09:07:47,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2021-10-28 09:07:47,603 INFO L704 BuchiCegarLoop]: Abstraction has 23 states and 26 transitions. [2021-10-28 09:07:47,603 INFO L587 BuchiCegarLoop]: Abstraction has 23 states and 26 transitions. [2021-10-28 09:07:47,603 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-28 09:07:47,604 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 26 transitions. [2021-10-28 09:07:47,604 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 09:07:47,604 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:47,604 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:47,605 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:47,605 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:07:47,605 INFO L791 eck$LassoCheckResult]: Stem: 1344#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(117, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(109, #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; 1345#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~ret6, main_#t~mem7, main_#t~mem8, main_#t~ret9, main_#t~mem10, main_#t~mem12, main_#t~post11, main_~i~1, main_#t~ret13, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet5;havoc main_#t~nondet5; 1357#L31 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;sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 1358#L22-3 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 1360#L22-2 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 1361#L22-3 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 1363#L22-2 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 1364#L22-3 assume !(sum_~i~0 < ~N~0); 1359#L22-4 sum_#res := (if sum_~ret~0 % 4294967296 <= 2147483647 then sum_~ret~0 % 4294967296 else sum_~ret~0 % 4294967296 - 4294967296); 1349#L25 main_#t~ret6 := sum_#res;main_~ret~1 := main_#t~ret6;havoc main_#t~ret6;call main_#t~mem7 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem7;havoc main_#t~mem7;call main_#t~mem8 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem8, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem8;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 1350#L22-8 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 1353#L22-7 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 1354#L22-8 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 1351#L22-7 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 1352#L22-8 assume !(sum_~i~0 < ~N~0); 1362#L22-9 sum_#res := (if sum_~ret~0 % 4294967296 <= 2147483647 then sum_~ret~0 % 4294967296 else sum_~ret~0 % 4294967296 - 4294967296); 1355#L25-1 main_#t~ret9 := sum_#res;main_~ret2~0 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;main_~i~1 := 0; 1356#L43-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem12, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem12; 1347#L43-2 main_#t~post11 := main_~i~1;main_~i~1 := 1 + main_#t~post11;havoc main_#t~post11; 1348#L43-3 assume !(main_~i~1 < ~N~0 - 1); 1346#L43-4 call write~int(main_~temp~0, main_~#x~0.base, main_~#x~0.offset + 4 * (~N~0 - 1), 4);sum_#in~x.base, sum_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc sum_#res;havoc sum_#t~mem4, sum_#t~post3, sum_~x.base, sum_~x.offset, sum_~i~0, sum_~ret~0;sum_~x.base, sum_~x.offset := sum_#in~x.base, sum_#in~x.offset;havoc sum_~i~0;havoc sum_~ret~0;sum_~ret~0 := 0;sum_~i~0 := 0; 1343#L22-13 [2021-10-28 09:07:47,605 INFO L793 eck$LassoCheckResult]: Loop: 1343#L22-13 assume !!(sum_~i~0 < ~N~0);call sum_#t~mem4 := read~int(sum_~x.base, sum_~x.offset + 4 * sum_~i~0, 4);sum_~ret~0 := sum_~ret~0 + sum_#t~mem4;havoc sum_#t~mem4; 1342#L22-12 sum_#t~post3 := sum_~i~0;sum_~i~0 := 1 + sum_#t~post3;havoc sum_#t~post3; 1343#L22-13 [2021-10-28 09:07:47,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:47,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1988322460, now seen corresponding path program 1 times [2021-10-28 09:07:47,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:47,606 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141154122] [2021-10-28 09:07:47,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:47,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:47,631 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:47,652 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:47,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:47,653 INFO L85 PathProgramCache]: Analyzing trace with hash 2851, now seen corresponding path program 2 times [2021-10-28 09:07:47,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:47,653 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700009996] [2021-10-28 09:07:47,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:47,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:47,657 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:47,660 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:47,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:47,660 INFO L85 PathProgramCache]: Analyzing trace with hash -482560770, now seen corresponding path program 1 times [2021-10-28 09:07:47,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:47,661 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137085464] [2021-10-28 09:07:47,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:47,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:47,687 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:47,714 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:49,877 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:07:49,877 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:07:49,877 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:07:49,877 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:07:49,877 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:07:49,877 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:49,877 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:07:49,877 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:07:49,877 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum.i_Iteration9_Lasso [2021-10-28 09:07:49,877 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:07:49,878 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:07:49,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:49,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:49,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:49,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:49,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:49,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:49,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:49,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:49,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:49,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:49,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:49,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:50,355 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-10-28 09:07:50,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:50,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:50,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:50,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:50,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:51,461 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:07:51,462 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:07:51,462 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:51,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:51,465 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:51,466 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 [2021-10-28 09:07:51,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-28 09:07:51,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:51,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:51,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:51,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:51,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:51,475 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:51,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:51,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:51,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:51,502 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:51,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:51,503 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:51,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-28 09:07:51,504 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 [2021-10-28 09:07:51,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:51,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:51,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:51,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:51,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:51,511 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:51,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:51,512 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:51,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-10-28 09:07:51,531 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:51,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:51,532 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:51,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-28 09:07:51,533 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 [2021-10-28 09:07:51,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:51,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:51,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:51,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:51,541 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:51,542 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:51,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:51,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-10-28 09:07:51,563 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:51,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:51,564 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:51,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-28 09:07:51,565 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 [2021-10-28 09:07:51,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:51,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:51,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:51,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:51,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:51,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:51,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:51,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:51,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-10-28 09:07:51,592 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:51,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:51,593 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:51,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-28 09:07:51,595 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 [2021-10-28 09:07:51,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:51,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:51,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:51,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:51,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:51,602 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:51,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:51,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:51,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-10-28 09:07:51,622 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:51,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:51,623 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:51,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-10-28 09:07:51,624 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 [2021-10-28 09:07:51,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:51,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:51,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:51,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:51,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:51,631 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:51,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:51,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:51,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-10-28 09:07:51,651 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:51,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:51,652 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:51,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-10-28 09:07:51,653 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 [2021-10-28 09:07:51,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:51,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:51,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:51,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:51,662 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:51,662 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:51,665 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:51,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-10-28 09:07:51,683 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:51,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:51,684 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:51,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-10-28 09:07:51,685 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 [2021-10-28 09:07:51,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:51,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:51,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:51,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:51,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:51,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:51,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:51,693 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:51,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-10-28 09:07:51,714 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:51,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:51,715 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:51,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-10-28 09:07:51,716 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 [2021-10-28 09:07:51,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:51,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:51,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:51,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:51,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:51,726 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:51,726 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:51,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:51,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-10-28 09:07:51,760 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:51,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:51,761 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:51,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-10-28 09:07:51,763 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 [2021-10-28 09:07:51,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:51,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:51,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:51,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:51,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:51,770 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:51,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:51,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:51,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:51,790 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:51,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:51,791 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:51,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-10-28 09:07:51,793 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 [2021-10-28 09:07:51,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:51,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:51,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:51,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:51,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:51,800 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:51,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:51,801 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:51,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:51,820 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:51,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:51,820 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:51,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-10-28 09:07:51,821 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 [2021-10-28 09:07:51,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:51,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:51,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:51,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:51,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:51,829 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:51,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:51,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:51,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-10-28 09:07:51,848 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:51,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:51,849 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:51,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-10-28 09:07:51,850 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 [2021-10-28 09:07:51,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:51,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:51,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:51,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:51,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:51,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:51,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:51,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:51,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-10-28 09:07:51,877 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:51,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:51,878 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:51,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-10-28 09:07:51,879 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 [2021-10-28 09:07:51,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:51,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:51,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:51,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:51,887 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:51,887 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:51,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:51,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:51,908 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:51,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:51,909 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:51,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-10-28 09:07:51,910 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 [2021-10-28 09:07:51,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:51,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:51,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:51,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:51,918 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:51,918 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:51,921 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:51,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:51,940 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:51,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:51,940 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:51,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-10-28 09:07:51,941 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 [2021-10-28 09:07:51,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:51,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:51,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:51,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:51,950 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:51,950 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:51,962 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:51,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:51,981 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:51,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:51,982 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:51,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-10-28 09:07:51,983 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 [2021-10-28 09:07:51,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:51,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:51,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:51,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:51,991 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:51,991 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:51,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:52,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:52,015 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:52,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:52,016 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:52,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-10-28 09:07:52,017 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 [2021-10-28 09:07:52,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:52,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:52,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:52,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:52,032 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:07:52,032 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:07:52,044 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:07:52,076 INFO L443 ModelExtractionUtils]: Simplification made 23 calls to the SMT solver. [2021-10-28 09:07:52,076 INFO L444 ModelExtractionUtils]: 7 out of 31 variables were initially zero. Simplification set additionally 21 variables to zero. [2021-10-28 09:07:52,076 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:52,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:52,077 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:52,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-10-28 09:07:52,078 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:07:52,086 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:07:52,086 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:07:52,086 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sum_~i~0, ~N~0) = -1*ULTIMATE.start_sum_~i~0 + 1*~N~0 Supporting invariants [] [2021-10-28 09:07:52,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2021-10-28 09:07:52,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:52,286 INFO L297 tatePredicateManager]: 57 out of 57 supporting invariants were superfluous and have been removed [2021-10-28 09:07:52,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:52,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:07:52,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:52,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:52,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:07:52,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:52,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:52,416 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 [2021-10-28 09:07:52,416 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 26 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2021-10-28 09:07:52,424 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 26 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) Result 25 states and 29 transitions. Complement of second has 4 states. [2021-10-28 09:07:52,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 09:07:52,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2021-10-28 09:07:52,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2021-10-28 09:07:52,426 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 21 letters. Loop has 2 letters. [2021-10-28 09:07:52,426 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:07:52,426 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 23 letters. Loop has 2 letters. [2021-10-28 09:07:52,426 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:07:52,426 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 21 letters. Loop has 4 letters. [2021-10-28 09:07:52,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:07:52,427 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 29 transitions. [2021-10-28 09:07:52,428 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:07:52,428 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2021-10-28 09:07:52,428 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:07:52,428 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:07:52,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:07:52,428 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:07:52,428 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:07:52,428 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:07:52,429 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:07:52,429 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-28 09:07:52,429 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:07:52,429 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:07:52,429 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 09:07:52,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:07:52 BoogieIcfgContainer [2021-10-28 09:07:52,435 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:07:52,435 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:07:52,435 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:07:52,436 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:07:52,436 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:07:31" (3/4) ... [2021-10-28 09:07:52,439 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:07:52,439 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:07:52,440 INFO L168 Benchmark]: Toolchain (without parser) took 22061.04 ms. Allocated memory was 94.4 MB in the beginning and 172.0 MB in the end (delta: 77.6 MB). Free memory was 54.1 MB in the beginning and 108.0 MB in the end (delta: -53.9 MB). Peak memory consumption was 22.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:07:52,441 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 94.4 MB. Free memory is still 70.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:07:52,441 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.55 ms. Allocated memory is still 94.4 MB. Free memory was 53.9 MB in the beginning and 70.5 MB in the end (delta: -16.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:07:52,441 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.22 ms. Allocated memory is still 94.4 MB. Free memory was 70.5 MB in the beginning and 68.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:07:52,442 INFO L168 Benchmark]: Boogie Preprocessor took 51.18 ms. Allocated memory is still 94.4 MB. Free memory was 68.5 MB in the beginning and 67.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:07:52,442 INFO L168 Benchmark]: RCFGBuilder took 479.04 ms. Allocated memory is still 94.4 MB. Free memory was 67.2 MB in the beginning and 55.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:07:52,443 INFO L168 Benchmark]: BuchiAutomizer took 21091.74 ms. Allocated memory was 94.4 MB in the beginning and 172.0 MB in the end (delta: 77.6 MB). Free memory was 55.1 MB in the beginning and 109.1 MB in the end (delta: -53.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:07:52,443 INFO L168 Benchmark]: Witness Printer took 3.98 ms. Allocated memory is still 172.0 MB. Free memory was 109.1 MB in the beginning and 108.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:07:52,445 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 94.4 MB. Free memory is still 70.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 370.55 ms. Allocated memory is still 94.4 MB. Free memory was 53.9 MB in the beginning and 70.5 MB in the end (delta: -16.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.22 ms. Allocated memory is still 94.4 MB. Free memory was 70.5 MB in the beginning and 68.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.18 ms. Allocated memory is still 94.4 MB. Free memory was 68.5 MB in the beginning and 67.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 479.04 ms. Allocated memory is still 94.4 MB. Free memory was 67.2 MB in the beginning and 55.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 21091.74 ms. Allocated memory was 94.4 MB in the beginning and 172.0 MB in the end (delta: 77.6 MB). Free memory was 55.1 MB in the beginning and 109.1 MB in the end (delta: -53.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. * Witness Printer took 3.98 ms. Allocated memory is still 172.0 MB. Free memory was 109.1 MB in the beginning and 108.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 9 terminating modules (5 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function N + -1 * i and consists of 5 locations. One deterministic module has affine ranking function N + -1 * i and consists of 4 locations. One deterministic module has affine ranking function -1 * i + N and consists of 4 locations. One deterministic module has affine ranking function N + -1 * i and consists of 3 locations. 5 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 21.0s and 10 iterations. TraceHistogramMax:2. Analysis of lassos took 19.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 9. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 12 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 23 states and ocurred in iteration 7. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 109 SDtfs, 111 SDslu, 32 SDs, 0 SdLazy, 153 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU5 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital402 mio100 ax100 hnf99 lsp121 ukn73 mio100 lsp35 div97 bol100 ite100 ukn100 eq173 hnf88 smp91 dnf181 smp66 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 45ms VariablesStem: 12 VariablesLoop: 8 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 09:07:52,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:52,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:52,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01620a7-4603-4de0-8a4b-cbd77e4a7739/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...