./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/cstrcat-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/cstrcat-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN --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 bfd8ca9d9dda86f57445168715d124831c95b647e7c1b1093bb129b0384cce9e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:34:52,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:34:52,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:34:52,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:34:52,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:34:52,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:34:52,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:34:52,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:34:52,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:34:52,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:34:52,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:34:52,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:34:52,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:34:52,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:34:52,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:34:52,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:34:52,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:34:52,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:34:52,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:34:52,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:34:52,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:34:52,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:34:52,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:34:52,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:34:52,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:34:52,178 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:34:52,178 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:34:52,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:34:52,181 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:34:52,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:34:52,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:34:52,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:34:52,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:34:52,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:34:52,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:34:52,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:34:52,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:34:52,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:34:52,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:34:52,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:34:52,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:34:52,197 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-20 12:34:52,235 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:34:52,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:34:52,236 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:34:52,236 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:34:52,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:34:52,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:34:52,238 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:34:52,238 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 12:34:52,238 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 12:34:52,238 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 12:34:52,239 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 12:34:52,239 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 12:34:52,239 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 12:34:52,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:34:52,239 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:34:52,240 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:34:52,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:34:52,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:34:52,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:34:52,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 12:34:52,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 12:34:52,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 12:34:52,241 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:34:52,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:34:52,241 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 12:34:52,242 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:34:52,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 12:34:52,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:34:52,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:34:52,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:34:52,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:34:52,244 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 12:34:52,244 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_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfd8ca9d9dda86f57445168715d124831c95b647e7c1b1093bb129b0384cce9e [2022-11-20 12:34:52,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:34:52,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:34:52,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:34:52,578 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:34:52,578 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:34:52,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/array-memsafety/cstrcat-alloca-2.i [2022-11-20 12:34:55,657 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:34:55,998 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:34:56,000 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/sv-benchmarks/c/array-memsafety/cstrcat-alloca-2.i [2022-11-20 12:34:56,015 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/data/39a004a42/bb225a32f72e4cf7aa7da243d72af0f1/FLAG3757439a3 [2022-11-20 12:34:56,028 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/data/39a004a42/bb225a32f72e4cf7aa7da243d72af0f1 [2022-11-20 12:34:56,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:34:56,032 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:34:56,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:34:56,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:34:56,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:34:56,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:34:56" (1/1) ... [2022-11-20 12:34:56,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@197d80b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:34:56, skipping insertion in model container [2022-11-20 12:34:56,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:34:56" (1/1) ... [2022-11-20 12:34:56,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:34:56,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:34:56,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:34:56,506 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:34:56,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:34:56,602 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:34:56,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:34:56 WrapperNode [2022-11-20 12:34:56,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:34:56,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:34:56,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:34:56,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:34:56,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:34:56" (1/1) ... [2022-11-20 12:34:56,626 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:34:56" (1/1) ... [2022-11-20 12:34:56,650 INFO L138 Inliner]: procedures = 117, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2022-11-20 12:34:56,651 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:34:56,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:34:56,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:34:56,652 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:34:56,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:34:56" (1/1) ... [2022-11-20 12:34:56,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:34:56" (1/1) ... [2022-11-20 12:34:56,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:34:56" (1/1) ... [2022-11-20 12:34:56,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:34:56" (1/1) ... [2022-11-20 12:34:56,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:34:56" (1/1) ... [2022-11-20 12:34:56,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:34:56" (1/1) ... [2022-11-20 12:34:56,687 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:34:56" (1/1) ... [2022-11-20 12:34:56,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:34:56" (1/1) ... [2022-11-20 12:34:56,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:34:56,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:34:56,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:34:56,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:34:56,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:34:56" (1/1) ... [2022-11-20 12:34:56,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:34:56,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:34:56,745 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:34:56,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 12:34:56,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 12:34:56,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 12:34:56,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:34:56,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:34:56,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:34:56,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:34:56,890 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:34:56,891 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:34:57,137 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:34:57,143 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:34:57,144 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 12:34:57,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:34:57 BoogieIcfgContainer [2022-11-20 12:34:57,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:34:57,147 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 12:34:57,147 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 12:34:57,161 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 12:34:57,162 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:34:57,162 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 12:34:56" (1/3) ... [2022-11-20 12:34:57,163 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4aaccc18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:34:57, skipping insertion in model container [2022-11-20 12:34:57,163 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:34:57,163 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:34:56" (2/3) ... [2022-11-20 12:34:57,163 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4aaccc18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:34:57, skipping insertion in model container [2022-11-20 12:34:57,164 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:34:57,164 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:34:57" (3/3) ... [2022-11-20 12:34:57,165 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrcat-alloca-2.i [2022-11-20 12:34:57,221 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 12:34:57,222 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 12:34:57,222 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 12:34:57,222 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 12:34:57,222 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 12:34:57,222 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 12:34:57,222 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 12:34:57,222 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 12:34:57,226 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.6) internal successors, (32), 20 states have internal predecessors, (32), 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) [2022-11-20 12:34:57,242 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-11-20 12:34:57,242 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:34:57,242 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:34:57,247 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-20 12:34:57,247 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:34:57,248 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 12:34:57,248 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.6) internal successors, (32), 20 states have internal predecessors, (32), 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) [2022-11-20 12:34:57,250 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-11-20 12:34:57,250 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:34:57,250 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:34:57,251 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-20 12:34:57,251 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:34:57,259 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~length3~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 13#L527true assume !(main_~length1~0#1 < 1); 16#L527-2true assume !(main_~length2~0#1 < 2); 17#L530-1true assume !(main_~length3~0#1 < 1); 12#L533-1true assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 8#L540-3true [2022-11-20 12:34:57,259 INFO L750 eck$LassoCheckResult]: Loop: 8#L540-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet13#1; 15#L540-2true main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 8#L540-3true [2022-11-20 12:34:57,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:34:57,266 INFO L85 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2022-11-20 12:34:57,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:34:57,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126627056] [2022-11-20 12:34:57,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:34:57,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:34:57,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:34:57,458 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:34:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:34:57,502 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:34:57,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:34:57,506 INFO L85 PathProgramCache]: Analyzing trace with hash 2019, now seen corresponding path program 1 times [2022-11-20 12:34:57,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:34:57,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310162420] [2022-11-20 12:34:57,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:34:57,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:34:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:34:57,517 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:34:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:34:57,525 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:34:57,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:34:57,527 INFO L85 PathProgramCache]: Analyzing trace with hash 180553841, now seen corresponding path program 1 times [2022-11-20 12:34:57,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:34:57,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474504323] [2022-11-20 12:34:57,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:34:57,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:34:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:34:57,561 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:34:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:34:57,584 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:34:58,024 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:34:58,025 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:34:58,025 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:34:58,025 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:34:58,025 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:34:58,026 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:34:58,026 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:34:58,026 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:34:58,026 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcat-alloca-2.i_Iteration1_Lasso [2022-11-20 12:34:58,026 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:34:58,027 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:34:58,048 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:34:58,058 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:34:58,061 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:34:58,063 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:34:58,068 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:34:58,071 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:34:58,074 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:34:58,077 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:34:58,080 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:34:58,405 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:34:58,409 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:34:58,412 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:34:58,415 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:34:58,423 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:34:58,426 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:34:58,429 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:34:58,432 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:34:58,893 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:34:58,897 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:34:58,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:34:58,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:34:58,903 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:34:58,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:34:58,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:34:58,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:34:58,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:34:58,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:34:58,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:34:58,934 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:34:58,934 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:34:58,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 12:34:58,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:34:58,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-20 12:34:58,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:34:58,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:34:58,948 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:34:58,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 12:34:58,957 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:34:58,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:34:58,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:34:58,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:34:58,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:34:58,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:34:58,975 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:34:58,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:34:58,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:34:59,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 12:34:59,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:34:59,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:34:59,002 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:34:59,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:34:59,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 12:34:59,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:34:59,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:34:59,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:34:59,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:34:59,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:34:59,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:34:59,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:34:59,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:34:59,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 12:34:59,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:34:59,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:34:59,046 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:34:59,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:34:59,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:34:59,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:34:59,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:34:59,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:34:59,073 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:34:59,073 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:34:59,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 12:34:59,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:34:59,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 12:34:59,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:34:59,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:34:59,114 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:34:59,125 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:34:59,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:34:59,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:34:59,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:34:59,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:34:59,142 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:34:59,142 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:34:59,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 12:34:59,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:34:59,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 12:34:59,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:34:59,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:34:59,162 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:34:59,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 12:34:59,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:34:59,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:34:59,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:34:59,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:34:59,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:34:59,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:34:59,181 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:34:59,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:34:59,190 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:34:59,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-20 12:34:59,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:34:59,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:34:59,201 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:34:59,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:34:59,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:34:59,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:34:59,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:34:59,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:34:59,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:34:59,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:34:59,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:34:59,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 12:34:59,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:34:59,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 12:34:59,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:34:59,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:34:59,253 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:34:59,265 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:34:59,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:34:59,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:34:59,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:34:59,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:34:59,280 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:34:59,281 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:34:59,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 12:34:59,292 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:34:59,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-20 12:34:59,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:34:59,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:34:59,302 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:34:59,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 12:34:59,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:34:59,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:34:59,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:34:59,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:34:59,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:34:59,335 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:34:59,335 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:34:59,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:34:59,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 12:34:59,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:34:59,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:34:59,359 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:34:59,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:34:59,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 12:34:59,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:34:59,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:34:59,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:34:59,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:34:59,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:34:59,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:34:59,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:34:59,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:34:59,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 12:34:59,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:34:59,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:34:59,406 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:34:59,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-20 12:34:59,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:34:59,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:34:59,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:34:59,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:34:59,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:34:59,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:34:59,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:34:59,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:34:59,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:34:59,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-20 12:34:59,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:34:59,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:34:59,453 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:34:59,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-20 12:34:59,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:34:59,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:34:59,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:34:59,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:34:59,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:34:59,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:34:59,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:34:59,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:34:59,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-20 12:34:59,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:34:59,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:34:59,505 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:34:59,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:34:59,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:34:59,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:34:59,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:34:59,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:34:59,529 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:34:59,529 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:34:59,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-20 12:34:59,548 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:34:59,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-20 12:34:59,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:34:59,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:34:59,553 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:34:59,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:34:59,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:34:59,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:34:59,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:34:59,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:34:59,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-20 12:34:59,583 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:34:59,584 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:34:59,604 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:34:59,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-11-20 12:34:59,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:34:59,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:34:59,609 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:34:59,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-20 12:34:59,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:34:59,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:34:59,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:34:59,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:34:59,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:34:59,649 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:34:59,649 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:34:59,672 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:34:59,709 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-11-20 12:34:59,709 INFO L444 ModelExtractionUtils]: 11 out of 31 variables were initially zero. Simplification set additionally 17 variables to zero. [2022-11-20 12:34:59,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:34:59,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:34:59,756 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:34:59,797 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:34:59,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-20 12:34:59,836 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:34:59,836 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:34:59,837 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~length1~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-11-20 12:34:59,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-20 12:34:59,870 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-11-20 12:34:59,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:34:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:34:59,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:34:59,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:34:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:34:59,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:34:59,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:35:00,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:35:00,051 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-20 12:35:00,053 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.6) internal successors, (32), 20 states have internal predecessors, (32), 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 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-11-20 12:35:00,151 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.6) internal successors, (32), 20 states have internal predecessors, (32), 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 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 52 states and 74 transitions. Complement of second has 7 states. [2022-11-20 12:35:00,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-20 12:35:00,156 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 [2022-11-20 12:35:00,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-11-20 12:35:00,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 52 transitions. [2022-11-20 12:35:00,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 52 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-20 12:35:00,166 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:35:00,166 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 52 transitions. Stem has 8 letters. Loop has 2 letters. [2022-11-20 12:35:00,166 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:35:00,167 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 52 transitions. Stem has 6 letters. Loop has 4 letters. [2022-11-20 12:35:00,167 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:35:00,169 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 74 transitions. [2022-11-20 12:35:00,180 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-20 12:35:00,186 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 17 states and 24 transitions. [2022-11-20 12:35:00,187 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-11-20 12:35:00,187 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-11-20 12:35:00,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 24 transitions. [2022-11-20 12:35:00,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:35:00,188 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2022-11-20 12:35:00,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 24 transitions. [2022-11-20 12:35:00,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-20 12:35:00,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:00,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 24 transitions. [2022-11-20 12:35:00,218 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2022-11-20 12:35:00,218 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2022-11-20 12:35:00,218 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 12:35:00,218 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 24 transitions. [2022-11-20 12:35:00,220 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-20 12:35:00,220 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:35:00,220 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:35:00,221 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:35:00,221 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:35:00,222 INFO L748 eck$LassoCheckResult]: Stem: 150#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 151#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~length3~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 158#L527 assume !(main_~length1~0#1 < 1); 162#L527-2 assume !(main_~length2~0#1 < 2); 163#L530-1 assume !(main_~length3~0#1 < 1); 161#L533-1 assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 154#L540-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 156#L540-4 main_~i~1#1 := 0; 147#L545-3 [2022-11-20 12:35:00,222 INFO L750 eck$LassoCheckResult]: Loop: 147#L545-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet15#1; 149#L545-2 main_#t~post14#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 147#L545-3 [2022-11-20 12:35:00,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:35:00,228 INFO L85 PathProgramCache]: Analyzing trace with hash 180553783, now seen corresponding path program 1 times [2022-11-20 12:35:00,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:35:00,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581639605] [2022-11-20 12:35:00,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:35:00,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:35:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:35:00,262 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:35:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:35:00,292 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:35:00,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:35:00,298 INFO L85 PathProgramCache]: Analyzing trace with hash 2467, now seen corresponding path program 1 times [2022-11-20 12:35:00,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:35:00,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718423237] [2022-11-20 12:35:00,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:35:00,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:35:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:35:00,305 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:35:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:35:00,310 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:35:00,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:35:00,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1713495129, now seen corresponding path program 1 times [2022-11-20 12:35:00,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:35:00,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701964023] [2022-11-20 12:35:00,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:35:00,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:35:00,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:35:00,330 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:35:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:35:00,346 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:35:00,708 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:35:00,708 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:35:00,708 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:35:00,708 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:35:00,708 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:35:00,708 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:00,708 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:35:00,708 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:35:00,708 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcat-alloca-2.i_Iteration2_Lasso [2022-11-20 12:35:00,708 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:35:00,708 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:35:00,712 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:00,714 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:00,717 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:00,721 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:00,723 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:00,726 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:00,954 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:00,956 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:00,960 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:00,963 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:00,965 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:00,968 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:00,970 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:00,974 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:00,980 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:00,982 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:01,406 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:35:01,406 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:35:01,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:01,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:01,412 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:01,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:01,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:01,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:35:01,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:01,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:01,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:01,439 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:35:01,439 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:35:01,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-20 12:35:01,454 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:01,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-20 12:35:01,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:01,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:01,463 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:01,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-20 12:35:01,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:01,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:01,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:35:01,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:01,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:01,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:01,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:35:01,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:35:01,480 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:01,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-20 12:35:01,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:01,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:01,486 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:01,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-20 12:35:01,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:01,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:01,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:01,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:01,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:01,501 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:35:01,502 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:35:01,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:01,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-20 12:35:01,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:01,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:01,531 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:01,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:01,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:01,558 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:35:01,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:01,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:01,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:01,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:35:01,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:35:01,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-20 12:35:01,576 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:01,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-20 12:35:01,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:01,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:01,585 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:01,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:01,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-20 12:35:01,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:01,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:01,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:01,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:01,616 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:35:01,616 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:35:01,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:01,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-20 12:35:01,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:01,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:01,636 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:01,644 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:01,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:01,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:01,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:01,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:01,659 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:35:01,659 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:35:01,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-20 12:35:01,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:01,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-20 12:35:01,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:01,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:01,682 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:01,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:01,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:01,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:01,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:01,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:01,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-20 12:35:01,712 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:35:01,713 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:35:01,733 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:35:01,770 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2022-11-20 12:35:01,771 INFO L444 ModelExtractionUtils]: 23 out of 34 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-20 12:35:01,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:01,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:01,772 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:01,781 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:35:01,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-20 12:35:01,813 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:35:01,813 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:35:01,814 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_2, ULTIMATE.start_main_~nondetString2~0#1.offset, ULTIMATE.start_main_~i~1#1) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_2 - 1*ULTIMATE.start_main_~nondetString2~0#1.offset - 1*ULTIMATE.start_main_~i~1#1 Supporting invariants [] [2022-11-20 12:35:01,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-20 12:35:01,846 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2022-11-20 12:35:01,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:35:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:35:01,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:35:01,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:35:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:35:01,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 12:35:01,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:35:01,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:35:01,955 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-20 12:35:01,955 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 24 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:02,010 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 24 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 36 transitions. Complement of second has 7 states. [2022-11-20 12:35:02,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-20 12:35:02,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:02,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2022-11-20 12:35:02,012 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 8 letters. Loop has 2 letters. [2022-11-20 12:35:02,012 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:35:02,012 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 10 letters. Loop has 2 letters. [2022-11-20 12:35:02,012 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:35:02,012 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 8 letters. Loop has 4 letters. [2022-11-20 12:35:02,013 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:35:02,013 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 36 transitions. [2022-11-20 12:35:02,014 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 12:35:02,014 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 18 states and 26 transitions. [2022-11-20 12:35:02,014 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-20 12:35:02,014 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-20 12:35:02,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 26 transitions. [2022-11-20 12:35:02,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:35:02,015 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 26 transitions. [2022-11-20 12:35:02,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 26 transitions. [2022-11-20 12:35:02,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-11-20 12:35:02,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:02,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 26 transitions. [2022-11-20 12:35:02,017 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 26 transitions. [2022-11-20 12:35:02,017 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 26 transitions. [2022-11-20 12:35:02,017 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-20 12:35:02,017 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 26 transitions. [2022-11-20 12:35:02,023 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 12:35:02,023 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:35:02,023 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:35:02,024 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:35:02,024 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:35:02,025 INFO L748 eck$LassoCheckResult]: Stem: 275#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 276#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~length3~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 281#L527 assume !(main_~length1~0#1 < 1); 287#L527-2 assume !(main_~length2~0#1 < 2); 288#L530-1 assume !(main_~length3~0#1 < 1); 286#L533-1 assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 282#L540-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 284#L540-4 main_~i~1#1 := 0; 271#L545-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 272#L545-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length3~0#1 - 1), 1);assume { :begin_inline_cstrcat } true;cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset, cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrcat_#res#1.base, cstrcat_#res#1.offset;havoc cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset, cstrcat_#t~mem2#1, cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset, cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset, cstrcat_#t~mem6#1, cstrcat_~s1#1.base, cstrcat_~s1#1.offset, cstrcat_~s2#1.base, cstrcat_~s2#1.offset, cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s1#1.base, cstrcat_~s1#1.offset := cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset;cstrcat_~s2#1.base, cstrcat_~s2#1.offset := cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_~s1#1.base, cstrcat_~s1#1.offset; 280#L517-3 [2022-11-20 12:35:02,025 INFO L750 eck$LassoCheckResult]: Loop: 280#L517-3 call cstrcat_#t~mem2#1 := read~int(cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset, 1); 279#L517-1 assume !!(0 != cstrcat_#t~mem2#1);havoc cstrcat_#t~mem2#1;cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset := cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_#t~post3#1.base, 1 + cstrcat_#t~post3#1.offset;havoc cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset; 280#L517-3 [2022-11-20 12:35:02,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:35:02,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1713495071, now seen corresponding path program 1 times [2022-11-20 12:35:02,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:35:02,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343130125] [2022-11-20 12:35:02,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:35:02,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:35:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:35:02,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:35:02,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:35:02,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343130125] [2022-11-20 12:35:02,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343130125] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:35:02,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:35:02,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:35:02,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001475713] [2022-11-20 12:35:02,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:35:02,221 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:35:02,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:35:02,222 INFO L85 PathProgramCache]: Analyzing trace with hash 2822, now seen corresponding path program 1 times [2022-11-20 12:35:02,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:35:02,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88091920] [2022-11-20 12:35:02,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:35:02,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:35:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:35:02,230 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:35:02,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:35:02,237 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:35:02,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:35:02,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:35:02,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:35:02,284 INFO L87 Difference]: Start difference. First operand 18 states and 26 transitions. cyclomatic complexity: 12 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:02,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:35:02,312 INFO L93 Difference]: Finished difference Result 19 states and 26 transitions. [2022-11-20 12:35:02,312 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 26 transitions. [2022-11-20 12:35:02,312 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 12:35:02,313 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 19 states and 26 transitions. [2022-11-20 12:35:02,313 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-11-20 12:35:02,313 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-20 12:35:02,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 26 transitions. [2022-11-20 12:35:02,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:35:02,313 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 26 transitions. [2022-11-20 12:35:02,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 26 transitions. [2022-11-20 12:35:02,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2022-11-20 12:35:02,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:02,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2022-11-20 12:35:02,315 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2022-11-20 12:35:02,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:35:02,317 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2022-11-20 12:35:02,321 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-20 12:35:02,321 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2022-11-20 12:35:02,322 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 12:35:02,323 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:35:02,323 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:35:02,323 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:35:02,324 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:35:02,324 INFO L748 eck$LassoCheckResult]: Stem: 319#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 320#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~length3~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 323#L527 assume !(main_~length1~0#1 < 1); 331#L527-2 assume !(main_~length2~0#1 < 2); 332#L530-1 assume !(main_~length3~0#1 < 1); 330#L533-1 assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 324#L540-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 326#L540-4 main_~i~1#1 := 0; 315#L545-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet15#1; 316#L545-2 main_#t~post14#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 317#L545-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 318#L545-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length3~0#1 - 1), 1);assume { :begin_inline_cstrcat } true;cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset, cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrcat_#res#1.base, cstrcat_#res#1.offset;havoc cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset, cstrcat_#t~mem2#1, cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset, cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset, cstrcat_#t~mem6#1, cstrcat_~s1#1.base, cstrcat_~s1#1.offset, cstrcat_~s2#1.base, cstrcat_~s2#1.offset, cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s1#1.base, cstrcat_~s1#1.offset := cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset;cstrcat_~s2#1.base, cstrcat_~s2#1.offset := cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_~s1#1.base, cstrcat_~s1#1.offset; 329#L517-3 [2022-11-20 12:35:02,324 INFO L750 eck$LassoCheckResult]: Loop: 329#L517-3 call cstrcat_#t~mem2#1 := read~int(cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset, 1); 328#L517-1 assume !!(0 != cstrcat_#t~mem2#1);havoc cstrcat_#t~mem2#1;cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset := cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_#t~post3#1.base, 1 + cstrcat_#t~post3#1.offset;havoc cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset; 329#L517-3 [2022-11-20 12:35:02,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:35:02,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1696346049, now seen corresponding path program 1 times [2022-11-20 12:35:02,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:35:02,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396507432] [2022-11-20 12:35:02,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:35:02,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:35:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:35:02,371 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:35:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:35:02,389 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:35:02,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:35:02,390 INFO L85 PathProgramCache]: Analyzing trace with hash 2822, now seen corresponding path program 2 times [2022-11-20 12:35:02,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:35:02,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420826119] [2022-11-20 12:35:02,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:35:02,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:35:02,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:35:02,394 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:35:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:35:02,397 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:35:02,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:35:02,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1899017530, now seen corresponding path program 1 times [2022-11-20 12:35:02,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:35:02,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211119555] [2022-11-20 12:35:02,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:35:02,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:35:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:35:02,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-20 12:35:02,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:35:02,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:35:02,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211119555] [2022-11-20 12:35:02,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211119555] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:35:02,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934030087] [2022-11-20 12:35:02,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:35:02,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:35:02,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:02,945 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:35:02,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-11-20 12:35:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:35:03,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-20 12:35:03,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:35:03,272 INFO L321 Elim1Store]: treesize reduction 32, result has 37.3 percent of original size [2022-11-20 12:35:03,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 80 [2022-11-20 12:35:03,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2022-11-20 12:35:03,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2022-11-20 12:35:03,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2022-11-20 12:35:03,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 12:35:03,499 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 12:35:03,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 10 [2022-11-20 12:35:03,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:35:03,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:35:03,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2022-11-20 12:35:03,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 24 [2022-11-20 12:35:03,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2022-11-20 12:35:03,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:35:03,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934030087] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:35:03,853 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:35:03,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2022-11-20 12:35:03,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749801074] [2022-11-20 12:35:03,856 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:35:03,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:35:03,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-20 12:35:03,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2022-11-20 12:35:03,896 INFO L87 Difference]: Start difference. First operand 18 states and 25 transitions. cyclomatic complexity: 11 Second operand has 21 states, 20 states have (on average 1.55) internal successors, (31), 21 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:04,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:35:04,250 INFO L93 Difference]: Finished difference Result 25 states and 33 transitions. [2022-11-20 12:35:04,250 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 33 transitions. [2022-11-20 12:35:04,251 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 12:35:04,251 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 25 states and 33 transitions. [2022-11-20 12:35:04,251 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2022-11-20 12:35:04,252 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-20 12:35:04,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 33 transitions. [2022-11-20 12:35:04,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:35:04,252 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 33 transitions. [2022-11-20 12:35:04,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 33 transitions. [2022-11-20 12:35:04,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2022-11-20 12:35:04,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 22 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:04,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 31 transitions. [2022-11-20 12:35:04,254 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 31 transitions. [2022-11-20 12:35:04,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 12:35:04,257 INFO L428 stractBuchiCegarLoop]: Abstraction has 23 states and 31 transitions. [2022-11-20 12:35:04,257 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-20 12:35:04,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 31 transitions. [2022-11-20 12:35:04,258 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 12:35:04,258 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:35:04,258 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:35:04,259 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:35:04,259 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:35:04,260 INFO L748 eck$LassoCheckResult]: Stem: 479#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 480#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~length3~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 488#L527 assume !(main_~length1~0#1 < 1); 490#L527-2 assume !(main_~length2~0#1 < 2); 491#L530-1 assume !(main_~length3~0#1 < 1); 489#L533-1 assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 483#L540-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 485#L540-4 main_~i~1#1 := 0; 474#L545-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet15#1; 475#L545-2 main_#t~post14#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 476#L545-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 477#L545-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length3~0#1 - 1), 1);assume { :begin_inline_cstrcat } true;cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset, cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrcat_#res#1.base, cstrcat_#res#1.offset;havoc cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset, cstrcat_#t~mem2#1, cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset, cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset, cstrcat_#t~mem6#1, cstrcat_~s1#1.base, cstrcat_~s1#1.offset, cstrcat_~s2#1.base, cstrcat_~s2#1.offset, cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s1#1.base, cstrcat_~s1#1.offset := cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset;cstrcat_~s2#1.base, cstrcat_~s2#1.offset := cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_~s1#1.base, cstrcat_~s1#1.offset; 495#L517-3 call cstrcat_#t~mem2#1 := read~int(cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset, 1); 487#L517-1 assume !(0 != cstrcat_#t~mem2#1);havoc cstrcat_#t~mem2#1; 481#L519-2 [2022-11-20 12:35:04,261 INFO L750 eck$LassoCheckResult]: Loop: 481#L519-2 cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset := cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_#t~post4#1.base, 1 + cstrcat_#t~post4#1.offset;cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset := cstrcat_~s2#1.base, cstrcat_~s2#1.offset;cstrcat_~s2#1.base, cstrcat_~s2#1.offset := cstrcat_#t~post5#1.base, 1 + cstrcat_#t~post5#1.offset;call cstrcat_#t~mem6#1 := read~int(cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset, 1);call write~int(cstrcat_#t~mem6#1, cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset, 1); 482#L519 assume !!(0 != cstrcat_#t~mem6#1);havoc cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset;havoc cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset;havoc cstrcat_#t~mem6#1; 481#L519-2 [2022-11-20 12:35:04,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:35:04,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1899017532, now seen corresponding path program 1 times [2022-11-20 12:35:04,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:35:04,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663155854] [2022-11-20 12:35:04,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:35:04,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:35:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:35:04,302 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:35:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:35:04,323 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:35:04,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:35:04,324 INFO L85 PathProgramCache]: Analyzing trace with hash 3206, now seen corresponding path program 1 times [2022-11-20 12:35:04,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:35:04,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987788265] [2022-11-20 12:35:04,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:35:04,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:35:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:35:04,330 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:35:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:35:04,335 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:35:04,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:35:04,336 INFO L85 PathProgramCache]: Analyzing trace with hash 405254793, now seen corresponding path program 1 times [2022-11-20 12:35:04,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:35:04,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533790144] [2022-11-20 12:35:04,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:35:04,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:35:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:35:04,726 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 12:35:04,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:35:04,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533790144] [2022-11-20 12:35:04,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533790144] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:35:04,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:35:04,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 12:35:04,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544414624] [2022-11-20 12:35:04,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:35:04,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:35:04,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 12:35:04,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:35:04,841 INFO L87 Difference]: Start difference. First operand 23 states and 31 transitions. cyclomatic complexity: 12 Second operand has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 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) [2022-11-20 12:35:04,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:35:04,911 INFO L93 Difference]: Finished difference Result 38 states and 48 transitions. [2022-11-20 12:35:04,911 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 48 transitions. [2022-11-20 12:35:04,912 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-20 12:35:04,912 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 33 states and 42 transitions. [2022-11-20 12:35:04,912 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2022-11-20 12:35:04,913 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2022-11-20 12:35:04,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 42 transitions. [2022-11-20 12:35:04,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:35:04,913 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 42 transitions. [2022-11-20 12:35:04,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 42 transitions. [2022-11-20 12:35:04,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2022-11-20 12:35:04,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.28125) internal successors, (41), 31 states have internal predecessors, (41), 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) [2022-11-20 12:35:04,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 41 transitions. [2022-11-20 12:35:04,916 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 41 transitions. [2022-11-20 12:35:04,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 12:35:04,919 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 41 transitions. [2022-11-20 12:35:04,919 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-20 12:35:04,919 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 41 transitions. [2022-11-20 12:35:04,920 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-20 12:35:04,920 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:35:04,920 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:35:04,920 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:35:04,921 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:35:04,921 INFO L748 eck$LassoCheckResult]: Stem: 556#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 557#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~length3~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 567#L527 assume !(main_~length1~0#1 < 1); 569#L527-2 assume !(main_~length2~0#1 < 2); 570#L530-1 assume !(main_~length3~0#1 < 1); 568#L533-1 assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 560#L540-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 562#L540-4 main_~i~1#1 := 0; 571#L545-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet15#1; 579#L545-2 main_#t~post14#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 578#L545-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet15#1; 577#L545-2 main_#t~post14#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 576#L545-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 575#L545-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length3~0#1 - 1), 1);assume { :begin_inline_cstrcat } true;cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset, cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrcat_#res#1.base, cstrcat_#res#1.offset;havoc cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset, cstrcat_#t~mem2#1, cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset, cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset, cstrcat_#t~mem6#1, cstrcat_~s1#1.base, cstrcat_~s1#1.offset, cstrcat_~s2#1.base, cstrcat_~s2#1.offset, cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s1#1.base, cstrcat_~s1#1.offset := cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset;cstrcat_~s2#1.base, cstrcat_~s2#1.offset := cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_~s1#1.base, cstrcat_~s1#1.offset; 566#L517-3 [2022-11-20 12:35:04,921 INFO L750 eck$LassoCheckResult]: Loop: 566#L517-3 call cstrcat_#t~mem2#1 := read~int(cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset, 1); 565#L517-1 assume !!(0 != cstrcat_#t~mem2#1);havoc cstrcat_#t~mem2#1;cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset := cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_#t~post3#1.base, 1 + cstrcat_#t~post3#1.offset;havoc cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset; 566#L517-3 [2022-11-20 12:35:04,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:35:04,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1898962205, now seen corresponding path program 2 times [2022-11-20 12:35:04,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:35:04,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687385904] [2022-11-20 12:35:04,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:35:04,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:35:04,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:35:04,939 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:35:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:35:04,949 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:35:04,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:35:04,949 INFO L85 PathProgramCache]: Analyzing trace with hash 2822, now seen corresponding path program 3 times [2022-11-20 12:35:04,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:35:04,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974774253] [2022-11-20 12:35:04,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:35:04,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:35:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:35:04,953 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:35:04,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:35:04,956 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:35:04,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:35:04,956 INFO L85 PathProgramCache]: Analyzing trace with hash 458423656, now seen corresponding path program 2 times [2022-11-20 12:35:04,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:35:04,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974306477] [2022-11-20 12:35:04,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:35:04,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:35:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:35:04,972 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:35:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:35:04,984 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:35:06,640 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:35:06,640 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:35:06,640 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:35:06,640 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:35:06,640 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:35:06,640 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:06,640 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:35:06,640 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:35:06,641 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcat-alloca-2.i_Iteration6_Lasso [2022-11-20 12:35:06,641 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:35:06,641 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:35:06,647 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:06,651 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:06,653 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:06,655 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:06,657 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:06,660 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:06,662 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:06,665 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:06,667 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:06,669 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:06,672 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:06,674 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:06,677 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:06,679 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:06,681 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:06,684 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:06,686 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:06,689 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:06,691 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:06,695 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:06,697 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:06,701 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:07,406 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:07,408 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:07,410 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:07,413 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:07,415 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:35:08,216 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:35:08,216 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:35:08,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:08,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:08,223 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:08,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-20 12:35:08,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:08,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:08,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:08,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:08,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:08,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:35:08,239 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:35:08,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:08,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-11-20 12:35:08,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:08,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:08,246 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:08,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:08,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-20 12:35:08,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:08,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:35:08,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:08,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:08,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:08,259 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:35:08,259 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:35:08,260 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:08,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-20 12:35:08,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:08,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:08,264 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:08,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-20 12:35:08,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:08,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:08,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:35:08,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:08,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:08,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:08,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:35:08,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:35:08,292 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:08,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-11-20 12:35:08,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:08,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:08,296 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:08,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:08,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:08,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:35:08,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:08,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:08,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:08,317 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:35:08,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:35:08,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-20 12:35:08,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:08,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-20 12:35:08,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:08,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:08,352 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:08,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:08,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:08,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:35:08,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:08,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:08,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:08,370 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:35:08,370 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:35:08,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-20 12:35:08,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:08,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-20 12:35:08,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:08,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:08,394 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:08,399 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:08,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:08,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:35:08,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:08,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:08,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:08,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:35:08,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:35:08,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-20 12:35:08,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:08,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-20 12:35:08,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:08,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:08,446 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:08,449 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:08,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-20 12:35:08,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:08,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:08,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:08,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:08,461 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:35:08,461 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:35:08,473 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:08,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-20 12:35:08,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:08,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:08,482 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:08,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-20 12:35:08,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:08,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:08,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:35:08,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:08,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:08,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:08,495 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:35:08,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:35:08,497 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:08,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-20 12:35:08,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:08,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:08,500 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:08,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-20 12:35:08,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:08,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:08,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:35:08,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:08,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:08,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:08,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:35:08,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:35:08,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:08,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-20 12:35:08,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:08,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:08,519 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:08,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-20 12:35:08,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:08,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:08,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:35:08,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:08,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:08,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:08,532 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:35:08,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:35:08,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:08,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-20 12:35:08,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:08,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:08,536 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:08,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-20 12:35:08,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:08,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:08,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:35:08,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:08,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:08,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:08,550 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:35:08,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:35:08,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:08,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-20 12:35:08,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:08,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:08,565 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:08,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-20 12:35:08,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:08,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:08,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:08,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:08,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:08,579 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:35:08,579 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:35:08,604 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:08,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-20 12:35:08,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:08,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:08,609 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:08,616 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:08,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:08,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:35:08,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:08,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:08,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:08,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:35:08,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:35:08,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-20 12:35:08,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:08,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-20 12:35:08,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:08,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:08,658 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:08,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-20 12:35:08,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:08,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:08,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:35:08,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:08,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:08,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:08,679 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:35:08,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:35:08,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:08,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-20 12:35:08,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:08,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:08,696 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:08,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-20 12:35:08,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:08,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:08,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:35:08,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:08,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:08,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:08,712 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:35:08,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:35:08,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:08,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-20 12:35:08,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:08,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:08,728 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:08,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-20 12:35:08,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:08,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:08,742 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:35:08,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:08,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:08,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:08,742 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:35:08,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:35:08,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:08,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-11-20 12:35:08,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:08,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:08,749 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:08,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-20 12:35:08,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:08,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:08,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:08,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:08,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:08,763 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:35:08,764 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:35:08,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:08,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-11-20 12:35:08,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:08,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:08,771 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:08,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-20 12:35:08,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:08,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:08,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:35:08,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:08,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:08,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:08,783 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:35:08,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:35:08,785 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:08,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-11-20 12:35:08,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:08,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:08,791 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:08,804 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:08,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:08,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:08,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:08,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:08,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-20 12:35:08,822 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:35:08,822 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:35:08,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:08,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-11-20 12:35:08,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:08,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:08,828 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:08,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-20 12:35:08,832 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 [2022-11-20 12:35:08,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:08,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:35:08,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:08,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:08,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:08,842 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:35:08,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:35:08,846 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:08,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-11-20 12:35:08,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:08,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:08,850 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:08,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-20 12:35:08,852 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:08,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:08,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:35:08,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:08,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:08,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:08,863 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:35:08,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:35:08,864 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:08,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-11-20 12:35:08,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:08,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:08,867 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:08,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-20 12:35:08,870 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 [2022-11-20 12:35:08,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:08,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:08,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:08,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:08,889 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:35:08,890 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:35:08,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:08,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-20 12:35:08,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:08,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:08,922 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:08,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-20 12:35:08,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:08,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:08,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:08,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:08,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:08,940 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:35:08,940 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:35:08,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:08,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-11-20 12:35:08,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:08,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:08,948 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:08,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-20 12:35:08,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:08,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:08,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:08,961 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 12:35:08,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:08,965 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-20 12:35:08,965 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-20 12:35:08,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:08,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-20 12:35:08,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:08,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:08,981 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:08,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:08,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-20 12:35:08,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:08,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:08,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:08,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:08,998 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:35:08,998 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:35:09,005 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:09,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-20 12:35:09,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:09,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:09,010 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:09,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-20 12:35:09,013 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:09,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:09,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:09,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:09,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:09,026 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:35:09,026 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:35:09,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:09,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2022-11-20 12:35:09,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:09,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:09,036 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:09,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-20 12:35:09,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:09,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:09,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:09,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:09,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:09,051 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:35:09,051 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:35:09,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:09,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2022-11-20 12:35:09,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:09,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:09,059 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:09,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-20 12:35:09,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:09,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:09,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:35:09,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:09,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:09,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:09,072 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:35:09,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:35:09,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:09,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2022-11-20 12:35:09,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:09,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:09,076 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:09,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-20 12:35:09,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:09,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:09,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:09,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:09,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:09,092 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:35:09,092 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:35:09,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:35:09,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-11-20 12:35:09,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:09,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:09,099 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:09,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-20 12:35:09,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:35:09,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:35:09,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:35:09,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:35:09,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:35:09,131 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:35:09,131 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:35:09,180 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:35:09,251 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2022-11-20 12:35:09,251 INFO L444 ModelExtractionUtils]: 12 out of 55 variables were initially zero. Simplification set additionally 40 variables to zero. [2022-11-20 12:35:09,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:35:09,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:09,260 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:09,261 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:35:09,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-20 12:35:09,295 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:35:09,296 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:35:09,296 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_3, ULTIMATE.start_cstrcat_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_3 - 1*ULTIMATE.start_cstrcat_~s~0#1.offset Supporting invariants [] [2022-11-20 12:35:09,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-11-20 12:35:09,352 INFO L156 tatePredicateManager]: 13 out of 14 supporting invariants were superfluous and have been removed [2022-11-20 12:35:09,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:35:09,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-11-20 12:35:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:35:09,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 12:35:09,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:35:09,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:35:09,479 WARN L261 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 12:35:09,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:35:09,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:35:09,502 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-20 12:35:09,502 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 41 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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) [2022-11-20 12:35:09,547 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 41 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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) Result 40 states and 52 transitions. Complement of second has 7 states. [2022-11-20 12:35:09,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-20 12:35:09,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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) [2022-11-20 12:35:09,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2022-11-20 12:35:09,549 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 14 letters. Loop has 2 letters. [2022-11-20 12:35:09,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:35:09,549 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 16 letters. Loop has 2 letters. [2022-11-20 12:35:09,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:35:09,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 14 letters. Loop has 4 letters. [2022-11-20 12:35:09,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:35:09,550 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 52 transitions. [2022-11-20 12:35:09,550 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 12:35:09,550 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 0 states and 0 transitions. [2022-11-20 12:35:09,551 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-20 12:35:09,551 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-20 12:35:09,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-20 12:35:09,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:35:09,551 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:35:09,551 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:35:09,551 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:35:09,551 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-20 12:35:09,551 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-20 12:35:09,551 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 12:35:09,551 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-20 12:35:09,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 12:35:09 BoogieIcfgContainer [2022-11-20 12:35:09,561 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 12:35:09,561 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:35:09,562 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:35:09,562 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:35:09,562 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:34:57" (3/4) ... [2022-11-20 12:35:09,565 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 12:35:09,565 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:35:09,566 INFO L158 Benchmark]: Toolchain (without parser) took 13534.15ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 142.3MB in the beginning and 156.9MB in the end (delta: -14.6MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2022-11-20 12:35:09,566 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 125.8MB. Free memory was 94.9MB in the beginning and 94.9MB in the end (delta: 26.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:35:09,567 INFO L158 Benchmark]: CACSL2BoogieTranslator took 570.04ms. Allocated memory is still 174.1MB. Free memory was 142.3MB in the beginning and 125.8MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 12:35:09,567 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.91ms. Allocated memory is still 174.1MB. Free memory was 125.8MB in the beginning and 124.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:35:09,567 INFO L158 Benchmark]: Boogie Preprocessor took 55.77ms. Allocated memory is still 174.1MB. Free memory was 124.5MB in the beginning and 122.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:35:09,567 INFO L158 Benchmark]: RCFGBuilder took 438.20ms. Allocated memory is still 174.1MB. Free memory was 122.4MB in the beginning and 109.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 12:35:09,568 INFO L158 Benchmark]: BuchiAutomizer took 12413.78ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 109.8MB in the beginning and 156.9MB in the end (delta: -47.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:35:09,568 INFO L158 Benchmark]: Witness Printer took 3.80ms. Allocated memory is still 209.7MB. Free memory is still 156.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:35:09,571 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 125.8MB. Free memory was 94.9MB in the beginning and 94.9MB in the end (delta: 26.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 570.04ms. Allocated memory is still 174.1MB. Free memory was 142.3MB in the beginning and 125.8MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.91ms. Allocated memory is still 174.1MB. Free memory was 125.8MB in the beginning and 124.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.77ms. Allocated memory is still 174.1MB. Free memory was 124.5MB in the beginning and 122.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 438.20ms. Allocated memory is still 174.1MB. Free memory was 122.4MB in the beginning and 109.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 12413.78ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 109.8MB in the beginning and 156.9MB in the end (delta: -47.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.80ms. Allocated memory is still 209.7MB. Free memory is still 156.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * nondetString2 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 21 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.3s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 11.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 198 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 197 mSDsluCounter, 287 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1 IncrementalHoareTripleChecker+Unchecked, 183 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 165 IncrementalHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 104 mSDtfsCounter, 165 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital182 mio100 ax110 hnf100 lsp84 ukn81 mio100 lsp62 div192 bol100 ite100 ukn100 eq152 hnf93 smp68 dnf100 smp100 tf100 neg97 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 2 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-20 12:35:09,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2022-11-20 12:35:09,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641180e4-2c2b-481c-8661-f32335602ca9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE