./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.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_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/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_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/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_6110d9e6-bdd6-46da-8028-684fe069978d/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 fa78fde783b634840a8dd117d9f71a3fa4064d7e1622444edf74e6b44f549a34 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:53:57,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:53:57,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:53:57,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:53:57,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:53:57,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:53:57,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:53:57,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:53:57,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:53:57,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:53:57,955 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:53:57,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:53:57,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:53:57,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:53:57,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:53:57,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:53:57,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:53:57,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:53:57,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:53:57,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:53:57,996 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:53:58,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:53:58,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:53:58,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:53:58,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:53:58,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:53:58,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:53:58,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:53:58,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:53:58,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:53:58,024 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:53:58,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:53:58,028 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:53:58,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:53:58,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:53:58,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:53:58,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:53:58,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:53:58,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:53:58,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:53:58,037 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:53:58,039 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 08:53:58,106 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:53:58,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:53:58,108 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:53:58,108 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:53:58,110 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:53:58,111 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:53:58,111 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:53:58,112 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 08:53:58,112 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 08:53:58,112 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 08:53:58,113 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 08:53:58,114 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 08:53:58,114 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 08:53:58,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:53:58,115 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:53:58,115 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 08:53:58,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:53:58,116 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:53:58,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:53:58,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 08:53:58,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 08:53:58,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 08:53:58,117 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:53:58,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:53:58,118 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 08:53:58,118 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:53:58,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 08:53:58,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:53:58,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:53:58,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:53:58,122 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:53:58,122 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:53:58,124 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 08:53:58,124 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_6110d9e6-bdd6-46da-8028-684fe069978d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa78fde783b634840a8dd117d9f71a3fa4064d7e1622444edf74e6b44f549a34 [2021-10-28 08:53:58,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:53:58,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:53:58,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:53:58,505 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:53:58,506 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:53:58,508 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i [2021-10-28 08:53:58,623 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/data/7b10cc1f1/5b3e080abaa14a9096921011b39448a9/FLAG73850b39e [2021-10-28 08:53:59,394 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:53:59,395 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i [2021-10-28 08:53:59,423 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/data/7b10cc1f1/5b3e080abaa14a9096921011b39448a9/FLAG73850b39e [2021-10-28 08:53:59,636 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/data/7b10cc1f1/5b3e080abaa14a9096921011b39448a9 [2021-10-28 08:53:59,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:53:59,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:53:59,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:53:59,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:53:59,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:53:59,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:53:59" (1/1) ... [2021-10-28 08:53:59,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f188ed7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:53:59, skipping insertion in model container [2021-10-28 08:53:59,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:53:59" (1/1) ... [2021-10-28 08:53:59,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:53:59,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:54:00,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:54:00,085 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:54:00,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:54:00,171 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:54:00,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:00 WrapperNode [2021-10-28 08:54:00,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:54:00,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:54:00,174 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:54:00,174 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:54:00,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:00" (1/1) ... [2021-10-28 08:54:00,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:00" (1/1) ... [2021-10-28 08:54:00,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:54:00,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:54:00,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:54:00,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:54:00,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:00" (1/1) ... [2021-10-28 08:54:00,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:00" (1/1) ... [2021-10-28 08:54:00,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:00" (1/1) ... [2021-10-28 08:54:00,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:00" (1/1) ... [2021-10-28 08:54:00,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:00" (1/1) ... [2021-10-28 08:54:00,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:00" (1/1) ... [2021-10-28 08:54:00,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:00" (1/1) ... [2021-10-28 08:54:00,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:54:00,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:54:00,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:54:00,262 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:54:00,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:00" (1/1) ... [2021-10-28 08:54:00,281 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:00,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:00,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:00,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 08:54:00,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 08:54:00,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 08:54:00,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:54:00,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 08:54:00,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:54:00,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:54:00,774 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:54:00,774 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-28 08:54:00,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:54:00 BoogieIcfgContainer [2021-10-28 08:54:00,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:54:00,778 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 08:54:00,778 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 08:54:00,794 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 08:54:00,795 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:54:00,795 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 08:53:59" (1/3) ... [2021-10-28 08:54:00,811 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69593037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:54:00, skipping insertion in model container [2021-10-28 08:54:00,812 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:54:00,812 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:00" (2/3) ... [2021-10-28 08:54:00,812 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69593037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:54:00, skipping insertion in model container [2021-10-28 08:54:00,812 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:54:00,813 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:54:00" (3/3) ... [2021-10-28 08:54:00,814 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrcpy-alloca-1.i [2021-10-28 08:54:00,863 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 08:54:00,863 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 08:54:00,864 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 08:54:00,864 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 08:54:00,864 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 08:54:00,864 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 08:54:00,865 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 08:54:00,865 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 08:54:00,883 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:00,905 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 08:54:00,906 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:54:00,906 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:54:00,913 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 08:54:00,914 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 08:54:00,914 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 08:54:00,914 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:00,917 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 08:54:00,917 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:54:00,917 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:54:00,918 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 08:54:00,918 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 08:54:00,927 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 3#L525true assume !(main_~length1~0 < 1); 11#L525-2true assume !(main_~length2~0 < 1); 16#L528-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 5#L535-3true [2021-10-28 08:54:00,927 INFO L793 eck$LassoCheckResult]: Loop: 5#L535-3true assume !!(main_~i~0 < main_~length2~0 - 1);call write~int(main_#t~nondet10, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet10; 7#L535-2true main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 5#L535-3true [2021-10-28 08:54:00,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:00,935 INFO L85 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2021-10-28 08:54:00,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:00,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252428660] [2021-10-28 08:54:00,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:00,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:01,073 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:54:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:01,125 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:54:01,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:01,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1827, now seen corresponding path program 1 times [2021-10-28 08:54:01,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:01,137 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833418672] [2021-10-28 08:54:01,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:01,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:01,174 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:54:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:01,196 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:54:01,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:01,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1806939692, now seen corresponding path program 1 times [2021-10-28 08:54:01,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:01,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221832449] [2021-10-28 08:54:01,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:01,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:01,283 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:54:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:01,333 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:54:01,968 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:54:01,969 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:54:01,969 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:54:01,969 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:54:01,970 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 08:54:01,970 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:01,970 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:54:01,970 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:54:01,971 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy-alloca-1.i_Iteration1_Lasso [2021-10-28 08:54:01,971 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:54:01,972 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:54:02,006 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 08:54:02,022 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 08:54:02,030 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 08:54:02,035 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 08:54:02,038 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 08:54:02,042 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 08:54:02,045 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 08:54:02,048 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 08:54:02,056 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 08:54:02,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:02,067 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 08:54:02,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:02,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:02,661 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:54:02,667 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 08:54:02,685 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:02,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:02,709 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:02,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:02,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 08:54:02,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:02,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:02,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:02,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:02,803 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:54:02,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:54:02,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:02,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:02,873 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:02,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:02,876 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:02,885 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 08:54:02,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 08:54:02,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:02,897 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:02,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:02,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:02,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:02,902 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:02,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:02,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:02,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-28 08:54:02,953 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:02,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:02,955 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:02,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 08:54:02,964 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 08:54:02,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:02,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:02,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:02,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:02,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:02,974 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:02,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:02,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:03,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-10-28 08:54:03,017 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:03,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:03,018 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:03,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 08:54:03,053 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 08:54:03,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:03,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:03,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:03,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:03,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:03,068 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:03,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:03,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:03,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:03,136 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:03,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:03,137 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:03,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 08:54:03,148 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 08:54:03,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:03,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:03,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:03,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:03,166 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:54:03,166 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:54:03,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:03,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-10-28 08:54:03,219 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:03,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:03,220 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:03,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 08:54:03,225 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 08:54:03,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:03,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:03,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:03,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:03,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:03,235 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:03,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:03,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:03,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:03,277 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:03,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:03,278 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:03,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 08:54:03,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:03,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:03,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:03,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:03,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:03,293 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:54:03,294 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:54:03,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:03,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:03,349 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:03,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:03,351 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:03,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 08:54:03,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:03,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:03,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:03,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:03,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:03,366 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:54:03,366 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:54:03,397 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:03,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-28 08:54:03,425 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:03,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:03,426 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:03,428 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 08:54:03,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 08:54:03,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:03,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:03,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:03,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:03,441 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:54:03,441 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:54:03,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:03,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:03,494 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:03,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:03,495 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:03,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 08:54:03,497 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 08:54:03,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:03,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:03,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:03,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:03,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:03,507 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:03,508 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:03,513 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:03,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:03,538 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:03,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:03,539 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:03,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 08:54:03,541 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 08:54:03,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:03,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:03,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:03,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:03,561 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:54:03,561 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:54:03,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:03,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:03,606 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:03,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:03,608 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:03,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 08:54:03,611 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 08:54:03,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:03,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:03,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:03,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:03,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:03,621 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:03,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:03,633 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:03,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:03,657 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:03,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:03,658 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:03,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 08:54:03,663 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 08:54:03,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:03,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:03,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:03,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:03,679 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:54:03,680 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:54:03,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:03,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:03,730 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:03,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:03,731 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:03,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 08:54:03,736 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 08:54:03,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:03,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:03,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:03,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:03,753 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:54:03,753 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:54:03,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:03,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:03,828 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:03,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:03,829 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:03,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 08:54:03,832 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 08:54:03,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:03,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:03,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:03,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:03,852 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:54:03,853 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:54:03,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:03,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:03,898 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:03,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:03,899 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:03,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 08:54:03,902 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 08:54:03,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:03,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:03,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:03,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:03,926 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:54:03,926 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:54:03,948 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 08:54:04,073 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2021-10-28 08:54:04,074 INFO L444 ModelExtractionUtils]: 12 out of 28 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-10-28 08:54:04,076 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:04,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:04,103 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:04,105 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 08:54:04,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 08:54:04,128 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 08:54:04,128 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 08:54:04,129 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString~0.base)_1, ULTIMATE.start_main_~i~0) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString~0.base)_1 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [1*ULTIMATE.start_main_~nondetString~0.offset >= 0] [2021-10-28 08:54:04,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:04,206 INFO L297 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2021-10-28 08:54:04,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:04,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 08:54:04,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:04,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:04,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 08:54:04,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:04,364 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 08:54:04,383 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 08:54:04,385 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 08:54:04,465 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 36 states and 47 transitions. Complement of second has 7 states. [2021-10-28 08:54:04,465 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 08:54:04,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 08:54:04,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2021-10-28 08:54:04,470 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-28 08:54:04,471 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:54:04,471 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-28 08:54:04,472 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:54:04,472 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 5 letters. Loop has 4 letters. [2021-10-28 08:54:04,472 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:54:04,473 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 47 transitions. [2021-10-28 08:54:04,477 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 08:54:04,482 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 11 states and 15 transitions. [2021-10-28 08:54:04,483 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-10-28 08:54:04,483 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-10-28 08:54:04,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 15 transitions. [2021-10-28 08:54:04,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:54:04,484 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2021-10-28 08:54:04,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 15 transitions. [2021-10-28 08:54:04,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-10-28 08:54:04,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 10 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 08:54:04,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2021-10-28 08:54:04,516 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2021-10-28 08:54:04,516 INFO L587 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2021-10-28 08:54:04,516 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 08:54:04,516 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 15 transitions. [2021-10-28 08:54:04,517 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 08:54:04,517 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:54:04,517 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:54:04,518 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:04,518 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 08:54:04,518 INFO L791 eck$LassoCheckResult]: Stem: 138#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 139#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 132#L525 assume !(main_~length1~0 < 1); 133#L525-2 assume !(main_~length2~0 < 1); 142#L528-1 assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 134#L535-3 assume !(main_~i~0 < main_~length2~0 - 1); 135#L535-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset, cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset, cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset, cstrcpy_#t~mem4, cstrcpy_~s1.base, cstrcpy_~s1.offset, cstrcpy_~s2.base, cstrcpy_~s2.offset, cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset, cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~s1.base, cstrcpy_~s1.offset := cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset;cstrcpy_~s2.base, cstrcpy_~s2.offset := cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_~s1.base, cstrcpy_~s1.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_~s2.base, cstrcpy_~s2.offset; 140#L518-3 [2021-10-28 08:54:04,519 INFO L793 eck$LassoCheckResult]: Loop: 140#L518-3 cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post2.base, 1 + cstrcpy_#t~post2.offset;cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post3.base, 1 + cstrcpy_#t~post3.offset;call cstrcpy_#t~mem4 := read~int(cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset, 1);call write~int(cstrcpy_#t~mem4, cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset, 1); 141#L518-1 assume !!(0 != cstrcpy_#t~mem4);havoc cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset;havoc cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset;havoc cstrcpy_#t~mem4; 140#L518-3 [2021-10-28 08:54:04,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:04,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1806939634, now seen corresponding path program 1 times [2021-10-28 08:54:04,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:04,520 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947993713] [2021-10-28 08:54:04,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:04,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:04,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:04,540 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:54:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:04,561 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:54:04,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:04,562 INFO L85 PathProgramCache]: Analyzing trace with hash 2182, now seen corresponding path program 1 times [2021-10-28 08:54:04,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:04,563 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609635492] [2021-10-28 08:54:04,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:04,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:04,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:04,572 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:54:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:04,582 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:54:04,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:04,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1302201911, now seen corresponding path program 1 times [2021-10-28 08:54:04,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:04,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155089007] [2021-10-28 08:54:04,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:04,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:04,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:04,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:04,972 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 08:54:04,972 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:04,973 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155089007] [2021-10-28 08:54:04,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155089007] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:54:04,976 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:54:04,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 08:54:04,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805480182] [2021-10-28 08:54:05,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:05,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 08:54:05,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-28 08:54:05,159 INFO L87 Difference]: Start difference. First operand 11 states and 15 transitions. cyclomatic complexity: 6 Second operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:05,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:05,273 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2021-10-28 08:54:05,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 08:54:05,275 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2021-10-28 08:54:05,276 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 08:54:05,276 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 12 states and 15 transitions. [2021-10-28 08:54:05,276 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-10-28 08:54:05,277 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-10-28 08:54:05,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2021-10-28 08:54:05,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:54:05,277 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-10-28 08:54:05,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2021-10-28 08:54:05,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2021-10-28 08:54:05,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:05,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2021-10-28 08:54:05,279 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-10-28 08:54:05,279 INFO L587 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-10-28 08:54:05,280 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 08:54:05,280 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2021-10-28 08:54:05,280 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 08:54:05,280 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:54:05,281 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:54:05,281 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:05,281 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 08:54:05,282 INFO L791 eck$LassoCheckResult]: Stem: 182#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 183#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 176#L525 assume !(main_~length1~0 < 1); 177#L525-2 assume !(main_~length2~0 < 1); 186#L528-1 assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 178#L535-3 assume !!(main_~i~0 < main_~length2~0 - 1);call write~int(main_#t~nondet10, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet10; 179#L535-2 main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 180#L535-3 assume !(main_~i~0 < main_~length2~0 - 1); 181#L535-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset, cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset, cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset, cstrcpy_#t~mem4, cstrcpy_~s1.base, cstrcpy_~s1.offset, cstrcpy_~s2.base, cstrcpy_~s2.offset, cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset, cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~s1.base, cstrcpy_~s1.offset := cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset;cstrcpy_~s2.base, cstrcpy_~s2.offset := cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_~s1.base, cstrcpy_~s1.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_~s2.base, cstrcpy_~s2.offset; 184#L518-3 [2021-10-28 08:54:05,282 INFO L793 eck$LassoCheckResult]: Loop: 184#L518-3 cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post2.base, 1 + cstrcpy_#t~post2.offset;cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post3.base, 1 + cstrcpy_#t~post3.offset;call cstrcpy_#t~mem4 := read~int(cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset, 1);call write~int(cstrcpy_#t~mem4, cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset, 1); 185#L518-1 assume !!(0 != cstrcpy_#t~mem4);havoc cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset;havoc cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset;havoc cstrcpy_#t~mem4; 184#L518-3 [2021-10-28 08:54:05,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:05,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1302257236, now seen corresponding path program 1 times [2021-10-28 08:54:05,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:05,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254812263] [2021-10-28 08:54:05,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:05,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:05,300 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:54:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:05,326 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:54:05,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:05,334 INFO L85 PathProgramCache]: Analyzing trace with hash 2182, now seen corresponding path program 2 times [2021-10-28 08:54:05,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:05,335 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204523367] [2021-10-28 08:54:05,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:05,335 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:05,342 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:54:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:05,364 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:54:05,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:05,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1633721881, now seen corresponding path program 1 times [2021-10-28 08:54:05,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:05,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45728674] [2021-10-28 08:54:05,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:05,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:05,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:05,407 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:54:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:05,434 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:54:06,494 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:54:06,494 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:54:06,494 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:54:06,494 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:54:06,494 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 08:54:06,494 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:06,495 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:54:06,495 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:54:06,495 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy-alloca-1.i_Iteration3_Lasso [2021-10-28 08:54:06,495 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:54:06,495 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:54:06,503 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 08:54:06,510 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 08:54:06,513 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 08:54:06,515 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 08:54:06,517 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 08:54:06,519 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 08:54:06,522 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 08:54:06,524 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 08:54:06,527 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 08:54:06,528 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 08:54:06,531 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 08:54:06,533 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 08:54:06,535 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 08:54:06,537 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 08:54:06,540 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 08:54:06,542 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 08:54:06,544 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 08:54:06,547 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 08:54:07,074 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 08:54:07,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:07,086 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 08:54:07,762 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:54:07,762 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 08:54:07,762 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:07,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:07,764 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:07,767 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 08:54:07,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 08:54:07,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:07,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:07,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:07,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:07,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:07,778 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:07,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:07,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:07,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-10-28 08:54:07,807 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:07,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:07,811 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:07,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 08:54:07,814 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 08:54:07,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:07,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:07,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:07,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:07,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:07,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:07,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:07,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:07,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:07,864 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:07,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:07,865 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:07,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 08:54:07,870 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 08:54:07,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:07,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:07,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:07,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:07,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:07,880 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:07,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:07,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:07,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:07,906 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:07,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:07,912 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:07,914 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 08:54:07,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 08:54:07,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:07,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:07,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:07,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:07,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:07,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:07,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:07,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:07,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:07,950 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:07,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:07,951 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:07,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 08:54:07,953 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 08:54:07,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:07,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:07,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:07,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:07,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:07,962 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:07,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:07,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:07,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:07,989 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:07,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:07,990 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:07,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 08:54:07,992 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 08:54:08,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:08,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:08,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:08,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:08,003 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:54:08,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:54:08,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:08,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-10-28 08:54:08,031 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:08,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:08,032 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:08,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 08:54:08,036 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 08:54:08,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:08,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:08,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:08,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:08,047 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:54:08,047 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:54:08,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:08,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:08,111 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:08,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:08,112 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:08,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 08:54:08,114 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 08:54:08,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:08,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:08,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:08,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:08,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:08,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:08,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:08,125 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:08,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-10-28 08:54:08,150 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:08,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:08,153 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:08,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 08:54:08,155 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 08:54:08,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:08,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:08,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:08,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:08,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:08,164 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:08,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:08,166 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:08,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-28 08:54:08,191 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:08,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:08,193 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:08,196 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 08:54:08,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 08:54:08,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:08,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:08,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:08,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:08,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:08,222 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:08,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:08,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:08,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:08,277 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:08,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:08,278 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:08,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 08:54:08,280 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 08:54:08,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:08,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:08,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:08,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:08,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:08,290 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:08,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:08,292 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:08,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-10-28 08:54:08,317 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:08,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:08,318 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:08,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 08:54:08,320 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 08:54:08,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:08,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:08,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:08,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:08,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:08,330 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:08,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:08,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:08,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-10-28 08:54:08,356 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:08,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:08,357 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:08,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 08:54:08,361 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 08:54:08,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:08,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:08,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:08,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:08,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:54:08,372 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:54:08,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:08,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-10-28 08:54:08,400 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:08,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:08,401 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:08,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 08:54:08,403 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 08:54:08,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:08,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:08,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:08,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:08,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:08,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:08,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:08,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:08,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-10-28 08:54:08,439 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:08,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:08,440 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:08,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 08:54:08,441 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 08:54:08,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:08,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:08,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:08,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:08,451 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:08,451 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:08,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:08,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:08,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:08,523 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:08,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:08,525 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:08,532 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 08:54:08,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 08:54:08,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:08,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:08,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:08,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:08,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:08,543 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:08,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:08,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:08,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-10-28 08:54:08,568 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:08,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:08,569 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:08,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 08:54:08,573 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:08,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:08,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:08,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:08,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:08,588 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:54:08,588 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:54:08,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:08,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:08,651 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:08,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:08,653 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:08,656 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 08:54:08,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:08,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:08,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:08,668 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 08:54:08,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:08,682 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:54:08,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:08,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 08:54:08,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:08,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-10-28 08:54:08,718 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:08,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:08,719 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:08,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 08:54:08,723 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 08:54:08,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:08,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:08,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:08,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:08,752 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:54:08,752 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:54:08,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:08,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:08,824 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:08,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:08,827 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:08,837 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 08:54:08,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 08:54:08,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:08,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:08,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:08,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:08,851 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:54:08,851 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:54:08,861 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:08,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:08,899 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:08,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:08,900 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:08,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 08:54:08,902 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 08:54:08,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:08,911 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:08,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:08,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:08,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:08,912 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:08,912 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:08,921 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:08,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-10-28 08:54:08,945 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:08,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:08,946 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:08,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 08:54:08,958 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 08:54:08,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:08,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:08,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:08,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:08,996 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:54:08,996 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:54:09,031 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 08:54:09,094 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2021-10-28 08:54:09,095 INFO L444 ModelExtractionUtils]: 41 out of 55 variables were initially zero. Simplification set additionally 11 variables to zero. [2021-10-28 08:54:09,095 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:09,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:09,099 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:09,104 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 08:54:09,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 08:54:09,132 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 08:54:09,132 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 08:54:09,133 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcpy_~dst~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_2) = -1*ULTIMATE.start_cstrcpy_~dst~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_2 Supporting invariants [] [2021-10-28 08:54:09,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:09,245 INFO L297 tatePredicateManager]: 13 out of 15 supporting invariants were superfluous and have been removed [2021-10-28 08:54:09,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:09,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 30 conjunts are in the unsatisfiable core [2021-10-28 08:54:09,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:09,399 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-28 08:54:09,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2021-10-28 08:54:09,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:09,524 WARN L261 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-28 08:54:09,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:09,573 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 08:54:09,574 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-28 08:54:09,574 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 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 08:54:09,623 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. 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) Result 13 states and 16 transitions. Complement of second has 5 states. [2021-10-28 08:54:09,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 08:54:09,624 INFO L82 GeneralOperation]: Start removeUnreachable. 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 08:54:09,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2021-10-28 08:54:09,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 2 letters. [2021-10-28 08:54:09,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:54:09,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 2 letters. [2021-10-28 08:54:09,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:54:09,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 4 letters. [2021-10-28 08:54:09,627 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:54:09,627 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2021-10-28 08:54:09,628 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 08:54:09,629 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2021-10-28 08:54:09,629 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 08:54:09,629 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 08:54:09,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 08:54:09,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:54:09,629 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:54:09,629 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:54:09,630 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:54:09,630 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 08:54:09,630 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 08:54:09,630 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 08:54:09,630 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 08:54:09,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 08:54:09 BoogieIcfgContainer [2021-10-28 08:54:09,637 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 08:54:09,638 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:54:09,638 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:54:09,638 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:54:09,639 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:54:00" (3/4) ... [2021-10-28 08:54:09,642 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 08:54:09,642 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:54:09,645 INFO L168 Benchmark]: Toolchain (without parser) took 10001.77 ms. Allocated memory was 104.9 MB in the beginning and 157.3 MB in the end (delta: 52.4 MB). Free memory was 70.2 MB in the beginning and 94.8 MB in the end (delta: -24.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 16.1 GB. [2021-10-28 08:54:09,645 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 104.9 MB. Free memory is still 59.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:54:09,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 526.77 ms. Allocated memory is still 104.9 MB. Free memory was 70.0 MB in the beginning and 74.1 MB in the end (delta: -4.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:54:09,650 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.46 ms. Allocated memory is still 104.9 MB. Free memory was 74.1 MB in the beginning and 72.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:54:09,651 INFO L168 Benchmark]: Boogie Preprocessor took 32.79 ms. Allocated memory is still 104.9 MB. Free memory was 72.3 MB in the beginning and 71.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:54:09,651 INFO L168 Benchmark]: RCFGBuilder took 514.80 ms. Allocated memory is still 104.9 MB. Free memory was 71.0 MB in the beginning and 60.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:54:09,652 INFO L168 Benchmark]: BuchiAutomizer took 8859.72 ms. Allocated memory was 104.9 MB in the beginning and 157.3 MB in the end (delta: 52.4 MB). Free memory was 60.5 MB in the beginning and 95.9 MB in the end (delta: -35.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2021-10-28 08:54:09,652 INFO L168 Benchmark]: Witness Printer took 4.78 ms. Allocated memory is still 157.3 MB. Free memory was 95.9 MB in the beginning and 94.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:54:09,655 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 104.9 MB. Free memory is still 59.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 526.77 ms. Allocated memory is still 104.9 MB. Free memory was 70.0 MB in the beginning and 74.1 MB in the end (delta: -4.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.46 ms. Allocated memory is still 104.9 MB. Free memory was 74.1 MB in the beginning and 72.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.79 ms. Allocated memory is still 104.9 MB. Free memory was 72.3 MB in the beginning and 71.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 514.80 ms. Allocated memory is still 104.9 MB. Free memory was 71.0 MB in the beginning and 60.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 8859.72 ms. Allocated memory was 104.9 MB in the beginning and 157.3 MB in the end (delta: 52.4 MB). Free memory was 60.5 MB in the beginning and 95.9 MB in the end (delta: -35.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.78 ms. Allocated memory is still 157.3 MB. Free memory was 95.9 MB in the beginning and 94.8 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + unknown-#length-unknown[nondetString] and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * dst and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 7.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 32 SDtfs, 44 SDslu, 42 SDs, 0 SdLazy, 54 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital176 mio100 ax111 hnf99 lsp83 ukn80 mio100 lsp56 div100 bol100 ite100 ukn100 eq178 hnf89 smp98 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 148ms VariablesStem: 2 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 08:54:09,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:09,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6110d9e6-bdd6-46da-8028-684fe069978d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...