./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.03-no-inv_assume-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.03-no-inv_assume-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e1996219c6dbc0f4aa6a0486eb748fdb92fa73f6 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:10:37,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:10:37,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:10:37,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:10:37,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:10:37,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:10:37,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:10:37,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:10:37,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:10:37,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:10:37,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:10:37,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:10:37,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:10:37,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:10:37,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:10:37,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:10:37,167 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:10:37,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:10:37,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:10:37,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:10:37,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:10:37,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:10:37,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:10:37,191 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:10:37,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:10:37,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:10:37,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:10:37,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:10:37,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:10:37,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:10:37,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:10:37,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:10:37,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:10:37,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:10:37,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:10:37,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:10:37,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:10:37,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:10:37,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:10:37,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:10:37,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:10:37,223 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-15 19:10:37,286 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:10:37,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:10:37,288 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:10:37,288 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:10:37,290 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:10:37,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:10:37,291 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:10:37,291 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-15 19:10:37,291 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-15 19:10:37,291 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-15 19:10:37,293 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-15 19:10:37,293 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-15 19:10:37,293 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-15 19:10:37,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:10:37,294 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-15 19:10:37,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:10:37,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:10:37,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-15 19:10:37,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-15 19:10:37,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-15 19:10:37,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:10:37,296 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-15 19:10:37,296 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:10:37,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-15 19:10:37,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:10:37,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:10:37,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:10:37,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:10:37,300 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:10:37,301 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-15 19:10:37,301 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_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1996219c6dbc0f4aa6a0486eb748fdb92fa73f6 [2021-10-15 19:10:37,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:10:37,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:10:37,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:10:37,713 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:10:37,714 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:10:37,716 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/termination-memory-alloca/b.03-no-inv_assume-alloca.i [2021-10-15 19:10:37,818 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/data/34b08f4c4/807e12cad3ba48108bbcfb016d19555d/FLAG838c14567 [2021-10-15 19:10:38,441 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:10:38,446 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/sv-benchmarks/c/termination-memory-alloca/b.03-no-inv_assume-alloca.i [2021-10-15 19:10:38,466 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/data/34b08f4c4/807e12cad3ba48108bbcfb016d19555d/FLAG838c14567 [2021-10-15 19:10:38,702 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/data/34b08f4c4/807e12cad3ba48108bbcfb016d19555d [2021-10-15 19:10:38,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:10:38,710 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:10:38,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:10:38,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:10:38,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:10:38,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:10:38" (1/1) ... [2021-10-15 19:10:38,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2295536b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:38, skipping insertion in model container [2021-10-15 19:10:38,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:10:38" (1/1) ... [2021-10-15 19:10:38,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:10:38,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:10:39,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:10:39,134 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:10:39,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:10:39,207 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:10:39,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:39 WrapperNode [2021-10-15 19:10:39,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:10:39,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:10:39,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:10:39,210 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:10:39,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:39" (1/1) ... [2021-10-15 19:10:39,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:39" (1/1) ... [2021-10-15 19:10:39,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:10:39,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:10:39,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:10:39,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:10:39,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:39" (1/1) ... [2021-10-15 19:10:39,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:39" (1/1) ... [2021-10-15 19:10:39,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:39" (1/1) ... [2021-10-15 19:10:39,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:39" (1/1) ... [2021-10-15 19:10:39,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:39" (1/1) ... [2021-10-15 19:10:39,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:39" (1/1) ... [2021-10-15 19:10:39,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:39" (1/1) ... [2021-10-15 19:10:39,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:10:39,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:10:39,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:10:39,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:10:39,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:39" (1/1) ... [2021-10-15 19:10:39,306 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:39,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:39,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:39,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-15 19:10:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-15 19:10:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-15 19:10:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:10:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:10:39,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:10:39,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:10:39,745 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:10:39,745 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-15 19:10:39,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:10:39 BoogieIcfgContainer [2021-10-15 19:10:39,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:10:39,749 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-15 19:10:39,749 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-15 19:10:39,752 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-15 19:10:39,753 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:10:39,753 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 07:10:38" (1/3) ... [2021-10-15 19:10:39,755 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a45da97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 07:10:39, skipping insertion in model container [2021-10-15 19:10:39,755 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:10:39,755 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:39" (2/3) ... [2021-10-15 19:10:39,756 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a45da97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 07:10:39, skipping insertion in model container [2021-10-15 19:10:39,756 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:10:39,756 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:10:39" (3/3) ... [2021-10-15 19:10:39,758 INFO L389 chiAutomizerObserver]: Analyzing ICFG b.03-no-inv_assume-alloca.i [2021-10-15 19:10:39,832 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-15 19:10:39,832 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-15 19:10:39,832 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-15 19:10:39,832 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-15 19:10:39,833 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-15 19:10:39,833 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-15 19:10:39,833 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-15 19:10:39,833 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-15 19:10:39,861 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:10:39,881 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-15 19:10:39,882 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:10:39,882 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:10:39,889 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-15 19:10:39,889 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-15 19:10:39,889 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-15 19:10:39,890 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:10:39,891 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-15 19:10:39,891 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:10:39,891 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:10:39,892 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-15 19:10:39,892 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-15 19:10:39,900 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y := main_#t~nondet14, main_#t~nondet15;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem4, test_fun_#t~mem5, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem9, test_fun_#t~mem8, test_fun_#t~short10, test_fun_#t~mem13, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 5#L553true assume !(test_fun_#t~mem4 <= 0);havoc test_fun_#t~mem4; 3#L556-5true [2021-10-15 19:10:39,900 INFO L793 eck$LassoCheckResult]: Loop: 3#L556-5true call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 9#L556-1true assume !test_fun_#t~short10; 8#L556-3true assume !!test_fun_#t~short10;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~mem9;havoc test_fun_#t~mem8;havoc test_fun_#t~short10;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem11 + test_fun_#t~mem12, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11;havoc test_fun_#t~mem12; 3#L556-5true [2021-10-15 19:10:39,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:10:39,907 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-10-15 19:10:39,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:10:39,918 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115344263] [2021-10-15 19:10:39,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:10:39,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:10:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:10:40,045 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:10:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:10:40,127 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:10:40,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:10:40,129 INFO L82 PathProgramCache]: Analyzing trace with hash 41873, now seen corresponding path program 1 times [2021-10-15 19:10:40,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:10:40,130 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862152804] [2021-10-15 19:10:40,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:10:40,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:10:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:10:40,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:10:40,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:10:40,237 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862152804] [2021-10-15 19:10:40,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862152804] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:10:40,238 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:10:40,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-15 19:10:40,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126932675] [2021-10-15 19:10:40,262 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-15 19:10:40,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:10:40,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 19:10:40,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 19:10:40,290 INFO L87 Difference]: Start difference. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:10:40,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 19:10:40,339 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2021-10-15 19:10:40,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 19:10:40,342 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2021-10-15 19:10:40,343 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-15 19:10:40,347 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 6 states and 6 transitions. [2021-10-15 19:10:40,348 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-10-15 19:10:40,349 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-10-15 19:10:40,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6 transitions. [2021-10-15 19:10:40,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:10:40,350 INFO L681 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2021-10-15 19:10:40,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 6 transitions. [2021-10-15 19:10:40,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2021-10-15 19:10:40,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.0) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:10:40,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2021-10-15 19:10:40,379 INFO L704 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2021-10-15 19:10:40,379 INFO L587 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2021-10-15 19:10:40,379 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-15 19:10:40,379 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 6 transitions. [2021-10-15 19:10:40,380 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-15 19:10:40,380 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:10:40,380 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:10:40,381 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-15 19:10:40,381 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-15 19:10:40,382 INFO L791 eck$LassoCheckResult]: Stem: 35#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 36#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y := main_#t~nondet14, main_#t~nondet15;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem4, test_fun_#t~mem5, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem9, test_fun_#t~mem8, test_fun_#t~short10, test_fun_#t~mem13, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 34#L553 assume !(test_fun_#t~mem4 <= 0);havoc test_fun_#t~mem4; 32#L556-5 [2021-10-15 19:10:40,382 INFO L793 eck$LassoCheckResult]: Loop: 32#L556-5 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 33#L556-1 assume test_fun_#t~short10;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem9 <= 2147483647 - test_fun_#t~mem8; 37#L556-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~mem9;havoc test_fun_#t~mem8;havoc test_fun_#t~short10;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem11 + test_fun_#t~mem12, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11;havoc test_fun_#t~mem12; 32#L556-5 [2021-10-15 19:10:40,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:10:40,383 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2021-10-15 19:10:40,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:10:40,384 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410499513] [2021-10-15 19:10:40,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:10:40,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:10:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:10:40,408 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:10:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:10:40,434 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:10:40,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:10:40,435 INFO L82 PathProgramCache]: Analyzing trace with hash 41811, now seen corresponding path program 1 times [2021-10-15 19:10:40,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:10:40,436 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840426439] [2021-10-15 19:10:40,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:10:40,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:10:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:10:40,455 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:10:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:10:40,489 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:10:40,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:10:40,490 INFO L82 PathProgramCache]: Analyzing trace with hash 889571280, now seen corresponding path program 1 times [2021-10-15 19:10:40,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:10:40,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659601688] [2021-10-15 19:10:40,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:10:40,491 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:10:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:10:40,534 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:10:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:10:40,567 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:10:41,452 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 19:10:41,454 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 19:10:41,460 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 19:10:41,460 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 19:10:41,460 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 19:10:41,460 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:41,460 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 19:10:41,461 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 19:10:41,461 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.03-no-inv_assume-alloca.i_Iteration2_Lasso [2021-10-15 19:10:41,461 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 19:10:41,461 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 19:10:41,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:41,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:41,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:41,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:41,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:41,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:41,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:41,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:41,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:41,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:41,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:41,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:41,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:41,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:41,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:41,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:41,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:41,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:41,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:42,419 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 19:10:42,426 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 19:10:42,428 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:42,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:42,430 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:42,432 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:10:42,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:10:42,444 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:10:42,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:10:42,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:10:42,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:10:42,448 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:10:42,448 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:10:42,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-15 19:10:42,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:10:42,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:42,509 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:42,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:42,514 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:42,521 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 [2021-10-15 19:10:42,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:10:42,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:10:42,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:10:42,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:10:42,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:10:42,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:10:42,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:10:42,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-15 19:10:42,549 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:10:42,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:42,598 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:42,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:42,600 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:42,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:10:42,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:10:42,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:10:42,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:10:42,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:10:42,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:10:42,622 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:10:42,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:10:42,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-15 19:10:42,637 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:10:42,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:42,677 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:42,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:42,679 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:42,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:10:42,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:10:42,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:10:42,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:10:42,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:10:42,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:10:42,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:10:42,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:10:42,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-15 19:10:42,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:10:42,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:42,735 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:42,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:42,736 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:42,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-15 19:10:42,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:10:42,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:10:42,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:10:42,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:10:42,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:10:42,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:10:42,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:10:42,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:10:42,761 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:10:42,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:42,786 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:42,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:42,787 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:42,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-15 19:10:42,801 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:10:42,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:10:42,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:10:42,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:10:42,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:10:42,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:10:42,811 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:10:42,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:10:42,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:10:42,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:42,843 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:42,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:42,844 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:42,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-15 19:10:42,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:10:42,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:10:42,859 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:10:42,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:10:42,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:10:42,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:10:42,860 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:10:42,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:10:42,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:10:42,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:42,918 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:42,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:42,921 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:42,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-15 19:10:42,926 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:10:42,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:10:42,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:10:42,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:10:42,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:10:42,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:10:42,939 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:10:42,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:10:42,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:10:42,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:42,968 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:42,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:42,969 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:42,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-15 19:10:42,971 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:10:42,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:10:42,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:10:42,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:10:42,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:10:42,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:10:42,980 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:10:42,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:10:43,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:10:43,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:43,042 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:43,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:43,043 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:43,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:10:43,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:10:43,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:10:43,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:10:43,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:10:43,070 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:10:43,070 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:10:43,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-15 19:10:43,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:10:43,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:43,127 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:43,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:43,130 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:43,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:10:43,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:10:43,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:10:43,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:10:43,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:10:43,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:10:43,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:10:43,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:10:43,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-15 19:10:43,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:10:43,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:43,205 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:43,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:43,210 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:43,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:10:43,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:10:43,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:10:43,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:10:43,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:10:43,255 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:10:43,255 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:10:43,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-15 19:10:43,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:10:43,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:43,342 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:43,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:43,345 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:43,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:10:43,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-15 19:10:43,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:10:43,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:10:43,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:10:43,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:10:43,368 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:10:43,368 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:10:43,389 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:10:43,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:43,416 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:43,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:43,417 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:43,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-15 19:10:43,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:10:43,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:10:43,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:10:43,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:10:43,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:10:43,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:10:43,429 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:10:43,429 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:10:43,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:10:43,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:43,462 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:43,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:43,462 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:43,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:10:43,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-15 19:10:43,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:10:43,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:10:43,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:10:43,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:10:43,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:10:43,487 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:10:43,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:10:43,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:10:43,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-10-15 19:10:43,527 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:43,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:43,528 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:43,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-15 19:10:43,533 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:10:43,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:10:43,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:10:43,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:10:43,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:10:43,547 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:10:43,547 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:10:43,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:10:43,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:43,618 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:43,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:43,619 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:43,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:10:43,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:10:43,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:10:43,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:10:43,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:10:43,650 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:10:43,651 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:10:43,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-15 19:10:43,677 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 19:10:43,703 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-15 19:10:43,703 INFO L444 ModelExtractionUtils]: 22 out of 28 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-15 19:10:43,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:43,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:43,711 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:43,733 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 19:10:43,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-15 19:10:43,756 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-15 19:10:43,756 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 19:10:43,757 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 - 1 >= 0] [2021-10-15 19:10:43,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:43,911 INFO L297 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2021-10-15 19:10:43,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:10:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:10:43,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-15 19:10:43,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:10:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:10:44,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-15 19:10:44,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:10:44,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:10:44,233 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-10-15 19:10:44,234 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1 Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:10:44,317 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1. Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 9 states and 10 transitions. Complement of second has 7 states. [2021-10-15 19:10:44,318 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 [2021-10-15 19:10:44,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:10:44,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. [2021-10-15 19:10:44,321 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 3 letters. Loop has 3 letters. [2021-10-15 19:10:44,321 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:10:44,321 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 6 letters. Loop has 3 letters. [2021-10-15 19:10:44,321 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:10:44,322 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 3 letters. Loop has 6 letters. [2021-10-15 19:10:44,323 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:10:44,323 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2021-10-15 19:10:44,325 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 19:10:44,325 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2021-10-15 19:10:44,325 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-15 19:10:44,325 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-15 19:10:44,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-15 19:10:44,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:10:44,326 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:10:44,326 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:10:44,326 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:10:44,326 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-15 19:10:44,326 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-15 19:10:44,326 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 19:10:44,326 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-15 19:10:44,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 07:10:44 BoogieIcfgContainer [2021-10-15 19:10:44,333 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-15 19:10:44,335 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:10:44,335 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:10:44,335 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:10:44,335 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:10:39" (3/4) ... [2021-10-15 19:10:44,338 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 19:10:44,339 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:10:44,341 INFO L168 Benchmark]: Toolchain (without parser) took 5629.53 ms. Allocated memory was 130.0 MB in the beginning and 180.4 MB in the end (delta: 50.3 MB). Free memory was 90.4 MB in the beginning and 113.6 MB in the end (delta: -23.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:10:44,341 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 130.0 MB. Free memory is still 107.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:10:44,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 493.58 ms. Allocated memory is still 130.0 MB. Free memory was 90.3 MB in the beginning and 99.3 MB in the end (delta: -8.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:10:44,343 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.40 ms. Allocated memory is still 130.0 MB. Free memory was 99.3 MB in the beginning and 97.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:10:44,343 INFO L168 Benchmark]: Boogie Preprocessor took 27.78 ms. Allocated memory is still 130.0 MB. Free memory was 97.2 MB in the beginning and 96.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:10:44,344 INFO L168 Benchmark]: RCFGBuilder took 462.89 ms. Allocated memory is still 130.0 MB. Free memory was 96.0 MB in the beginning and 85.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:10:44,345 INFO L168 Benchmark]: BuchiAutomizer took 4584.45 ms. Allocated memory was 130.0 MB in the beginning and 180.4 MB in the end (delta: 50.3 MB). Free memory was 85.6 MB in the beginning and 113.6 MB in the end (delta: -28.0 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:10:44,345 INFO L168 Benchmark]: Witness Printer took 4.01 ms. Allocated memory is still 180.4 MB. Free memory is still 113.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:10:44,349 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 130.0 MB. Free memory is still 107.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 493.58 ms. Allocated memory is still 130.0 MB. Free memory was 90.3 MB in the beginning and 99.3 MB in the end (delta: -8.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.40 ms. Allocated memory is still 130.0 MB. Free memory was 99.3 MB in the beginning and 97.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.78 ms. Allocated memory is still 130.0 MB. Free memory was 97.2 MB in the beginning and 96.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 462.89 ms. Allocated memory is still 130.0 MB. Free memory was 96.0 MB in the beginning and 85.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4584.45 ms. Allocated memory was 130.0 MB in the beginning and 180.4 MB in the end (delta: 50.3 MB). Free memory was 85.6 MB in the beginning and 113.6 MB in the end (delta: -28.0 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.01 ms. Allocated memory is still 180.4 MB. Free memory is still 113.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[y_ref][y_ref] + unknown-#memory_int-unknown[x_ref][x_ref] and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 12.7ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 14 SDtfs, 1 SDslu, 8 SDs, 0 SdLazy, 13 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 54.0ms Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital210 mio100 ax108 hnf100 lsp89 ukn67 mio100 lsp38 div100 bol100 ite100 ukn100 eq175 hnf89 smp89 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 47ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-15 19:10:44,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-10-15 19:10:44,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce13078-e9ee-4b6b-9675-4cfb656ceace/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...