./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Ben-Amram-2010LMCS-Ex2.3-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Ben-Amram-2010LMCS-Ex2.3-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 07b282ace126e2e6034cb3e18e52d69833dcd5d95d5a3123bfc5247b81ecd1aa .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:45:23,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:45:23,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:45:23,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:45:23,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:45:23,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:45:23,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:45:23,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:45:23,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:45:23,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:45:23,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:45:23,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:45:23,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:45:23,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:45:23,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:45:23,914 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:45:23,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:45:23,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:45:23,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:45:23,931 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:45:23,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:45:23,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:45:23,940 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:45:23,941 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:45:23,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:45:23,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:45:23,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:45:23,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:45:23,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:45:23,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:45:23,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:45:23,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:45:23,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:45:23,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:45:23,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:45:23,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:45:23,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:45:23,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:45:23,964 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:45:23,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:45:23,966 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:45:23,967 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 09:45:24,003 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:45:24,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:45:24,006 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:45:24,007 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:45:24,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:45:24,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:45:24,009 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:45:24,009 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:45:24,009 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:45:24,010 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:45:24,011 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:45:24,011 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:45:24,011 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:45:24,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:45:24,012 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:45:24,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:45:24,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:45:24,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:45:24,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:45:24,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:45:24,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:45:24,014 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:45:24,014 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:45:24,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:45:24,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:45:24,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:45:24,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:45:24,017 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:45:24,017 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:45:24,019 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:45:24,019 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_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07b282ace126e2e6034cb3e18e52d69833dcd5d95d5a3123bfc5247b81ecd1aa [2021-10-28 09:45:24,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:45:24,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:45:24,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:45:24,442 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:45:24,443 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:45:24,444 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/termination-memory-alloca/Ben-Amram-2010LMCS-Ex2.3-alloca.i [2021-10-28 09:45:24,519 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/data/17ec6f4f2/d378fc1a2e24433cbdce830395527a9f/FLAG84b930e32 [2021-10-28 09:45:25,200 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:45:25,200 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/sv-benchmarks/c/termination-memory-alloca/Ben-Amram-2010LMCS-Ex2.3-alloca.i [2021-10-28 09:45:25,235 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/data/17ec6f4f2/d378fc1a2e24433cbdce830395527a9f/FLAG84b930e32 [2021-10-28 09:45:25,432 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/data/17ec6f4f2/d378fc1a2e24433cbdce830395527a9f [2021-10-28 09:45:25,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:45:25,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:45:25,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:45:25,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:45:25,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:45:25,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:45:25" (1/1) ... [2021-10-28 09:45:25,448 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 28.10 09:45:25, skipping insertion in model container [2021-10-28 09:45:25,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:45:25" (1/1) ... [2021-10-28 09:45:25,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:45:25,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:45:25,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:45:26,007 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:45:26,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:45:26,119 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:45:26,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:45:26 WrapperNode [2021-10-28 09:45:26,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:45:26,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:45:26,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:45:26,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:45:26,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:45:26" (1/1) ... [2021-10-28 09:45:26,160 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:45:26" (1/1) ... [2021-10-28 09:45:26,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:45:26,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:45:26,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:45:26,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:45:26,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:45:26" (1/1) ... [2021-10-28 09:45:26,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:45:26" (1/1) ... [2021-10-28 09:45:26,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:45:26" (1/1) ... [2021-10-28 09:45:26,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:45:26" (1/1) ... [2021-10-28 09:45:26,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:45:26" (1/1) ... [2021-10-28 09:45:26,245 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:45:26" (1/1) ... [2021-10-28 09:45:26,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:45:26" (1/1) ... [2021-10-28 09:45:26,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:45:26,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:45:26,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:45:26,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:45:26,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:45:26" (1/1) ... [2021-10-28 09:45:26,267 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:26,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:26,295 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:26,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:45:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 09:45:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:45:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:45:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:45:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:45:26,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:45:26,661 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:45:26,661 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-28 09:45:26,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:45:26 BoogieIcfgContainer [2021-10-28 09:45:26,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:45:26,665 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:45:26,665 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:45:26,673 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:45:26,674 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:45:26,674 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:45:25" (1/3) ... [2021-10-28 09:45:26,678 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23edef3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:45:26, skipping insertion in model container [2021-10-28 09:45:26,678 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:45:26,679 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:45:26" (2/3) ... [2021-10-28 09:45:26,679 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23edef3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:45:26, skipping insertion in model container [2021-10-28 09:45:26,693 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:45:26,694 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:45:26" (3/3) ... [2021-10-28 09:45:26,695 INFO L389 chiAutomizerObserver]: Analyzing ICFG Ben-Amram-2010LMCS-Ex2.3-alloca.i [2021-10-28 09:45:26,770 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:45:26,771 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:45:26,771 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:45:26,771 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:45:26,771 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:45:26,771 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:45:26,772 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:45:26,772 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:45:26,789 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:45:26,810 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 09:45:26,823 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:45:26,823 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:45:26,830 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 09:45:26,830 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:45:26,845 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:45:26,846 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:45:26,848 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 09:45:26,848 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:45:26,848 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:45:26,849 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 09:45:26,849 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:45:26,857 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~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~mem13, main_#t~mem14, main_#t~mem15, main_#t~nondet16, main_#t~mem17, main_#t~mem18, main_#t~nondet19, main_#t~mem20, main_#t~mem8, main_#t~mem9, main_#t~short10, main_#t~mem11, main_#t~short12, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6;call write~int(main_#t~nondet7, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~nondet7; 9#L555-2true [2021-10-28 09:45:26,858 INFO L793 eck$LassoCheckResult]: Loop: 9#L555-2true call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short10 := main_#t~mem8 > 0; 10#L554-1true assume main_#t~short10;call main_#t~mem9 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short10 := main_#t~mem9 > 0; 8#L554-3true main_#t~short12 := main_#t~short10; 12#L554-4true assume main_#t~short12;call main_#t~mem11 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short12 := main_#t~mem11 > 0; 13#L554-6true assume !!main_#t~short12;havoc main_#t~mem8;havoc main_#t~mem9;havoc main_#t~short10;havoc main_#t~mem11;havoc main_#t~short12;call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4); 5#L555true assume main_#t~mem13 > main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;call main_#t~mem15 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem15, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;call write~int(main_#t~nondet16, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet16;call main_#t~mem17 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem17; 9#L555-2true [2021-10-28 09:45:26,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:45:26,873 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-28 09:45:26,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:45:26,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947396737] [2021-10-28 09:45:26,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:45:26,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:45:27,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:27,111 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:45:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:27,185 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:45:27,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:45:27,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1097577162, now seen corresponding path program 1 times [2021-10-28 09:45:27,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:45:27,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758481845] [2021-10-28 09:45:27,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:45:27,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:45:27,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:27,223 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:45:27,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:27,255 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:45:27,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:45:27,257 INFO L85 PathProgramCache]: Analyzing trace with hash 177626380, now seen corresponding path program 1 times [2021-10-28 09:45:27,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:45:27,258 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837602435] [2021-10-28 09:45:27,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:45:27,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:45:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:27,312 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:45:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:27,408 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:45:28,776 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:45:28,777 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:45:28,777 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:45:28,778 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:45:28,778 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:45:28,778 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:28,778 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:45:28,779 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:45:28,779 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ben-Amram-2010LMCS-Ex2.3-alloca.i_Iteration1_Lasso [2021-10-28 09:45:28,779 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:45:28,779 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:45:28,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:28,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:28,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:28,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:28,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:28,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:28,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:28,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:28,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:28,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:28,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:28,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:28,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:29,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:29,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:29,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:29,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:29,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:29,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:29,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:29,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:29,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:29,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:29,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:29,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:30,067 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:45:30,072 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:45:30,074 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:30,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:30,079 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:30,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:30,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:30,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:45:30,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:30,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:30,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:30,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:45:30,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:45:30,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:45:30,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:30,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-28 09:45:30,152 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:30,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:30,154 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:30,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:45:30,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:30,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:30,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:45:30,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:30,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:30,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:30,172 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:45:30,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:45:30,173 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:30,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:30,199 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:30,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:30,206 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:30,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:30,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:30,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:45:30,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:30,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:30,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:30,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:45:30,224 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:45:30,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:45:30,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:30,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:30,259 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:30,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:30,260 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:30,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:45:30,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:30,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:30,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:45:30,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:30,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:30,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:30,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:45:30,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:45:30,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:30,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:30,316 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:30,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:30,317 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:30,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:45:30,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:30,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:30,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:45:30,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:30,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:30,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:30,328 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:45:30,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:45:30,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:30,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-10-28 09:45:30,353 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:30,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:30,354 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:30,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:45:30,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:30,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:30,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:45:30,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:30,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:30,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:30,371 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:45:30,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:45:30,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:30,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:30,417 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:30,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:30,419 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:30,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:30,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:30,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:45:30,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:30,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:30,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:30,459 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:45:30,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:45:30,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:45:30,473 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:30,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:30,519 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:30,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:30,520 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:30,522 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:30,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 09:45:30,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:30,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:30,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:30,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:30,536 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:45:30,536 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:45:30,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:30,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-28 09:45:30,566 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:30,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:30,567 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:30,569 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:30,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:30,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:45:30,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:30,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:30,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:30,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 09:45:30,582 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:45:30,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:45:30,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:30,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:30,623 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:30,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:30,625 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:30,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 09:45:30,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:30,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:30,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:45:30,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:30,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:30,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:30,638 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:45:30,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:45:30,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:30,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:30,664 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:30,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:30,665 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:30,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 09:45:30,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:30,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:30,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:30,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:30,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:30,682 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:45:30,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:45:30,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:30,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:30,707 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:30,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:30,708 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:30,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 09:45:30,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:30,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:30,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:30,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:30,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:30,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:45:30,725 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:45:30,765 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:30,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:30,795 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:30,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:30,797 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:30,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 09:45:30,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:30,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:30,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:30,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:30,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:30,812 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:45:30,813 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:45:30,841 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:30,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:30,866 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:30,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:30,867 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:30,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 09:45:30,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:30,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:30,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:30,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:30,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:30,886 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:45:30,886 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:45:30,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:30,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:30,941 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:30,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:30,943 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:30,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 09:45:30,945 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:30,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:30,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:30,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:30,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:30,956 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:45:30,956 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:45:30,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:31,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-10-28 09:45:31,001 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:31,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:31,002 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:31,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 09:45:31,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:31,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:31,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:31,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:31,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:31,019 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:45:31,019 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:45:31,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:31,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:31,086 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:31,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:31,087 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:31,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 09:45:31,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:31,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:31,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:31,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:31,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:31,113 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:45:31,113 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:45:31,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:31,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:31,178 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:31,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:31,179 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:31,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 09:45:31,185 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:31,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:31,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:31,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:31,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:31,210 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:45:31,210 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:45:31,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:31,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:31,281 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:31,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:31,282 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:31,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:31,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:31,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:31,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:31,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:31,315 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:45:31,315 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:45:31,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 09:45:31,335 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:45:31,369 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-10-28 09:45:31,370 INFO L444 ModelExtractionUtils]: 9 out of 16 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-10-28 09:45:31,372 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:31,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:31,373 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:31,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 09:45:31,434 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:45:31,459 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:45:31,459 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:45:31,460 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1 + 1*v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_1 + 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_1 Supporting invariants [] [2021-10-28 09:45:31,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:31,661 INFO L297 tatePredicateManager]: 22 out of 24 supporting invariants were superfluous and have been removed [2021-10-28 09:45:31,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:45:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:45:31,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 09:45:31,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:45:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:45:31,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 09:45:31,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:45:32,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:32,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:45:32,109 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-28 09:45:32,110 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:45:32,246 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 42 transitions. Complement of second has 10 states. [2021-10-28 09:45:32,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-28 09:45:32,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:45:32,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 15 transitions. [2021-10-28 09:45:32,252 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 2 letters. Loop has 6 letters. [2021-10-28 09:45:32,253 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:45:32,253 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 8 letters. Loop has 6 letters. [2021-10-28 09:45:32,253 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:45:32,254 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 2 letters. Loop has 12 letters. [2021-10-28 09:45:32,254 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:45:32,255 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 42 transitions. [2021-10-28 09:45:32,258 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 09:45:32,262 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 20 states and 29 transitions. [2021-10-28 09:45:32,264 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-28 09:45:32,264 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-28 09:45:32,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 29 transitions. [2021-10-28 09:45:32,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:45:32,265 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2021-10-28 09:45:32,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 29 transitions. [2021-10-28 09:45:32,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-10-28 09:45:32,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:45:32,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. [2021-10-28 09:45:32,295 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2021-10-28 09:45:32,296 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2021-10-28 09:45:32,296 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:45:32,296 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 29 transitions. [2021-10-28 09:45:32,297 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 09:45:32,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:45:32,297 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:45:32,298 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:45:32,298 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:45:32,299 INFO L791 eck$LassoCheckResult]: Stem: 203#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 204#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~mem13, main_#t~mem14, main_#t~mem15, main_#t~nondet16, main_#t~mem17, main_#t~mem18, main_#t~nondet19, main_#t~mem20, main_#t~mem8, main_#t~mem9, main_#t~short10, main_#t~mem11, main_#t~short12, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6;call write~int(main_#t~nondet7, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~nondet7; 214#L555-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short10 := main_#t~mem8 > 0; 211#L554-1 assume !main_#t~short10; 205#L554-3 main_#t~short12 := main_#t~short10; 206#L554-4 assume !main_#t~short12; 212#L554-6 assume !!main_#t~short12;havoc main_#t~mem8;havoc main_#t~mem9;havoc main_#t~short10;havoc main_#t~mem11;havoc main_#t~short12;call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4); 199#L555 assume !(main_#t~mem13 > main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;call main_#t~mem18 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 - 1, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;call write~int(main_#t~nondet19, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet19;call main_#t~mem20 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem20; 200#L555-2 [2021-10-28 09:45:32,299 INFO L793 eck$LassoCheckResult]: Loop: 200#L555-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short10 := main_#t~mem8 > 0; 209#L554-1 assume main_#t~short10;call main_#t~mem9 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short10 := main_#t~mem9 > 0; 218#L554-3 main_#t~short12 := main_#t~short10; 217#L554-4 assume main_#t~short12;call main_#t~mem11 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short12 := main_#t~mem11 > 0; 216#L554-6 assume !!main_#t~short12;havoc main_#t~mem8;havoc main_#t~mem9;havoc main_#t~short10;havoc main_#t~mem11;havoc main_#t~short12;call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4); 215#L555 assume main_#t~mem13 > main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;call main_#t~mem15 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem15, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;call write~int(main_#t~nondet16, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet16;call main_#t~mem17 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem17; 200#L555-2 [2021-10-28 09:45:32,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:45:32,299 INFO L85 PathProgramCache]: Analyzing trace with hash 179475346, now seen corresponding path program 1 times [2021-10-28 09:45:32,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:45:32,300 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471077092] [2021-10-28 09:45:32,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:45:32,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:45:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:45:32,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:45:32,358 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:45:32,358 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471077092] [2021-10-28 09:45:32,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471077092] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:45:32,359 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:45:32,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:45:32,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650300543] [2021-10-28 09:45:32,363 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:45:32,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:45:32,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1097577162, now seen corresponding path program 2 times [2021-10-28 09:45:32,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:45:32,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106092646] [2021-10-28 09:45:32,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:45:32,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:45:32,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:32,396 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:45:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:32,438 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:45:32,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:45:32,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:45:32,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:45:32,805 INFO L87 Difference]: Start difference. First operand 20 states and 29 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:45:32,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:45:32,823 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2021-10-28 09:45:32,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:45:32,824 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 29 transitions. [2021-10-28 09:45:32,830 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 09:45:32,834 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 20 states and 26 transitions. [2021-10-28 09:45:32,835 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-10-28 09:45:32,835 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-28 09:45:32,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2021-10-28 09:45:32,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:45:32,836 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-10-28 09:45:32,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2021-10-28 09:45:32,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-10-28 09:45:32,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:45:32,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2021-10-28 09:45:32,841 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-10-28 09:45:32,841 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-10-28 09:45:32,841 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 09:45:32,841 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2021-10-28 09:45:32,846 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 09:45:32,848 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:45:32,848 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:45:32,849 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:45:32,849 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:45:32,849 INFO L791 eck$LassoCheckResult]: Stem: 252#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 253#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~mem13, main_#t~mem14, main_#t~mem15, main_#t~nondet16, main_#t~mem17, main_#t~mem18, main_#t~nondet19, main_#t~mem20, main_#t~mem8, main_#t~mem9, main_#t~short10, main_#t~mem11, main_#t~short12, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6;call write~int(main_#t~nondet7, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~nondet7; 261#L555-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short10 := main_#t~mem8 > 0; 260#L554-1 assume !main_#t~short10; 267#L554-3 main_#t~short12 := main_#t~short10; 266#L554-4 assume main_#t~short12;call main_#t~mem11 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short12 := main_#t~mem11 > 0; 265#L554-6 assume !!main_#t~short12;havoc main_#t~mem8;havoc main_#t~mem9;havoc main_#t~short10;havoc main_#t~mem11;havoc main_#t~short12;call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4); 248#L555 assume !(main_#t~mem13 > main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;call main_#t~mem18 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 - 1, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;call write~int(main_#t~nondet19, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet19;call main_#t~mem20 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem20; 249#L555-2 [2021-10-28 09:45:32,850 INFO L793 eck$LassoCheckResult]: Loop: 249#L555-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short10 := main_#t~mem8 > 0; 258#L554-1 assume main_#t~short10;call main_#t~mem9 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short10 := main_#t~mem9 > 0; 254#L554-3 main_#t~short12 := main_#t~short10; 255#L554-4 assume main_#t~short12;call main_#t~mem11 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short12 := main_#t~mem11 > 0; 262#L554-6 assume !!main_#t~short12;havoc main_#t~mem8;havoc main_#t~mem9;havoc main_#t~short10;havoc main_#t~mem11;havoc main_#t~short12;call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4); 264#L555 assume main_#t~mem13 > main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;call main_#t~mem15 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem15, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;call write~int(main_#t~nondet16, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet16;call main_#t~mem17 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem17; 249#L555-2 [2021-10-28 09:45:32,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:45:32,850 INFO L85 PathProgramCache]: Analyzing trace with hash 179473424, now seen corresponding path program 1 times [2021-10-28 09:45:32,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:45:32,851 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911400309] [2021-10-28 09:45:32,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:45:32,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:45:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:45:32,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:45:32,922 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:45:32,922 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911400309] [2021-10-28 09:45:32,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911400309] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:45:32,922 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:45:32,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:45:32,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016483976] [2021-10-28 09:45:32,923 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:45:32,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:45:32,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1097577162, now seen corresponding path program 3 times [2021-10-28 09:45:32,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:45:32,925 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919296406] [2021-10-28 09:45:32,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:45:32,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:45:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:32,952 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:45:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:32,986 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:45:33,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:45:33,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:45:33,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:45:33,347 INFO L87 Difference]: Start difference. First operand 20 states and 26 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:45:33,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:45:33,377 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2021-10-28 09:45:33,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:45:33,378 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 29 transitions. [2021-10-28 09:45:33,379 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 09:45:33,380 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 20 states and 23 transitions. [2021-10-28 09:45:33,380 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-10-28 09:45:33,380 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-28 09:45:33,380 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 23 transitions. [2021-10-28 09:45:33,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:45:33,380 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-10-28 09:45:33,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 23 transitions. [2021-10-28 09:45:33,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-10-28 09:45:33,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.15) internal successors, (23), 19 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:45:33,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2021-10-28 09:45:33,388 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-10-28 09:45:33,388 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-10-28 09:45:33,388 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 09:45:33,388 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. [2021-10-28 09:45:33,392 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 09:45:33,393 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:45:33,393 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:45:33,394 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:45:33,394 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:45:33,394 INFO L791 eck$LassoCheckResult]: Stem: 307#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 308#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~mem13, main_#t~mem14, main_#t~mem15, main_#t~nondet16, main_#t~mem17, main_#t~mem18, main_#t~nondet19, main_#t~mem20, main_#t~mem8, main_#t~mem9, main_#t~short10, main_#t~mem11, main_#t~short12, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6;call write~int(main_#t~nondet7, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~nondet7; 318#L555-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short10 := main_#t~mem8 > 0; 315#L554-1 assume main_#t~short10;call main_#t~mem9 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short10 := main_#t~mem9 > 0; 309#L554-3 main_#t~short12 := main_#t~short10; 310#L554-4 assume main_#t~short12;call main_#t~mem11 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short12 := main_#t~mem11 > 0; 316#L554-6 assume !!main_#t~short12;havoc main_#t~mem8;havoc main_#t~mem9;havoc main_#t~short10;havoc main_#t~mem11;havoc main_#t~short12;call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4); 303#L555 assume !(main_#t~mem13 > main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;call main_#t~mem18 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 - 1, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;call write~int(main_#t~nondet19, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet19;call main_#t~mem20 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem20; 304#L555-2 [2021-10-28 09:45:33,394 INFO L793 eck$LassoCheckResult]: Loop: 304#L555-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short10 := main_#t~mem8 > 0; 313#L554-1 assume main_#t~short10;call main_#t~mem9 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short10 := main_#t~mem9 > 0; 322#L554-3 main_#t~short12 := main_#t~short10; 321#L554-4 assume main_#t~short12;call main_#t~mem11 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short12 := main_#t~mem11 > 0; 320#L554-6 assume !!main_#t~short12;havoc main_#t~mem8;havoc main_#t~mem9;havoc main_#t~short10;havoc main_#t~mem11;havoc main_#t~short12;call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4); 319#L555 assume main_#t~mem13 > main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;call main_#t~mem15 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem15, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;call write~int(main_#t~nondet16, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet16;call main_#t~mem17 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem17; 304#L555-2 [2021-10-28 09:45:33,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:45:33,395 INFO L85 PathProgramCache]: Analyzing trace with hash 177626382, now seen corresponding path program 1 times [2021-10-28 09:45:33,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:45:33,395 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604566157] [2021-10-28 09:45:33,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:45:33,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:45:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:33,441 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:45:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:33,485 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:45:33,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:45:33,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1097577162, now seen corresponding path program 4 times [2021-10-28 09:45:33,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:45:33,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49127668] [2021-10-28 09:45:33,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:45:33,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:45:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:33,513 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:45:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:33,546 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:45:33,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:45:33,550 INFO L85 PathProgramCache]: Analyzing trace with hash -692497897, now seen corresponding path program 1 times [2021-10-28 09:45:33,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:45:33,550 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344304618] [2021-10-28 09:45:33,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:45:33,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:45:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:45:33,666 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:45:33,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:45:33,667 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344304618] [2021-10-28 09:45:33,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344304618] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:45:33,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1629486490] [2021-10-28 09:45:33,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:45:33,668 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:45:33,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:33,669 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:45:33,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-10-28 09:45:33,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:45:33,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:45:33,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:45:33,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-28 09:45:33,866 INFO L354 Elim1Store]: treesize reduction 42, result has 36.4 percent of original size [2021-10-28 09:45:33,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 41 [2021-10-28 09:45:34,018 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 09:45:34,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-10-28 09:45:34,030 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:45:34,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1629486490] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:45:34,031 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:45:34,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-10-28 09:45:34,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897305652] [2021-10-28 09:45:34,333 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:45:34,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:45:34,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:45:34,334 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. cyclomatic complexity: 5 Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:45:34,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:45:34,388 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2021-10-28 09:45:34,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:45:34,389 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 22 transitions. [2021-10-28 09:45:34,389 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 09:45:34,390 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 22 transitions. [2021-10-28 09:45:34,390 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-10-28 09:45:34,390 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-28 09:45:34,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 22 transitions. [2021-10-28 09:45:34,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:45:34,390 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 22 transitions. [2021-10-28 09:45:34,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 22 transitions. [2021-10-28 09:45:34,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 15. [2021-10-28 09:45:34,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 14 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:45:34,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2021-10-28 09:45:34,392 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2021-10-28 09:45:34,392 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2021-10-28 09:45:34,392 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 09:45:34,393 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2021-10-28 09:45:34,393 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 09:45:34,393 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:45:34,393 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:45:34,393 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 09:45:34,394 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:45:34,394 INFO L791 eck$LassoCheckResult]: Stem: 399#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 400#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~mem13, main_#t~mem14, main_#t~mem15, main_#t~nondet16, main_#t~mem17, main_#t~mem18, main_#t~nondet19, main_#t~mem20, main_#t~mem8, main_#t~mem9, main_#t~short10, main_#t~mem11, main_#t~short12, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6;call write~int(main_#t~nondet7, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~nondet7; 409#L555-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short10 := main_#t~mem8 > 0; 405#L554-1 [2021-10-28 09:45:34,394 INFO L793 eck$LassoCheckResult]: Loop: 405#L554-1 assume main_#t~short10;call main_#t~mem9 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short10 := main_#t~mem9 > 0; 401#L554-3 main_#t~short12 := main_#t~short10; 402#L554-4 assume main_#t~short12;call main_#t~mem11 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short12 := main_#t~mem11 > 0; 407#L554-6 assume !!main_#t~short12;havoc main_#t~mem8;havoc main_#t~mem9;havoc main_#t~short10;havoc main_#t~mem11;havoc main_#t~short12;call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4); 395#L555 assume !(main_#t~mem13 > main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;call main_#t~mem18 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 - 1, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;call write~int(main_#t~nondet19, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet19;call main_#t~mem20 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem20; 396#L555-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short10 := main_#t~mem8 > 0; 405#L554-1 [2021-10-28 09:45:34,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:45:34,394 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-10-28 09:45:34,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:45:34,395 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956536009] [2021-10-28 09:45:34,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:45:34,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:45:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:34,408 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:45:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:34,417 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:45:34,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:45:34,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1187255894, now seen corresponding path program 1 times [2021-10-28 09:45:34,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:45:34,418 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20449566] [2021-10-28 09:45:34,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:45:34,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:45:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:34,432 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:45:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:34,447 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:45:34,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:45:34,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1211450553, now seen corresponding path program 2 times [2021-10-28 09:45:34,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:45:34,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881657608] [2021-10-28 09:45:34,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:45:34,449 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:45:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:34,479 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:45:34,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:34,508 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:45:35,667 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:45:35,667 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:45:35,668 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:45:35,668 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:45:35,668 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:45:35,668 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:35,668 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:45:35,668 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:45:35,668 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ben-Amram-2010LMCS-Ex2.3-alloca.i_Iteration5_Lasso [2021-10-28 09:45:35,668 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:45:35,668 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:45:35,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:35,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:35,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:35,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:35,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:35,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:35,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:35,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:35,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:35,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:35,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:35,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:35,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:35,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:36,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:36,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:36,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:36,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:36,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:36,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:36,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:37,178 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:45:37,179 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:45:37,179 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:37,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:37,182 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:37,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 09:45:37,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:37,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:37,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:45:37,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:37,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:37,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:37,209 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:45:37,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:45:37,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:37,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:37,268 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:37,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:37,269 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:37,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:37,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 09:45:37,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:37,281 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:45:37,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:37,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:37,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:37,282 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:45:37,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:45:37,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:37,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:37,318 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:37,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:37,319 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:37,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 09:45:37,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:37,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:37,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:45:37,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:37,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:37,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:37,333 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:45:37,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:45:37,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:37,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-10-28 09:45:37,359 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:37,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:37,360 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:37,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 09:45:37,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:37,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:37,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:45:37,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:37,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:37,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:37,371 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:45:37,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:45:37,372 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:37,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-10-28 09:45:37,396 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:37,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:37,397 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:37,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 09:45:37,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:37,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:37,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:37,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:37,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:37,411 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:45:37,411 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:45:37,445 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:37,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:37,476 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:37,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:37,477 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:37,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 09:45:37,482 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:37,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:37,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:45:37,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:37,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:37,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:37,491 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:45:37,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:45:37,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:37,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:37,541 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:37,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:37,542 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:37,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 09:45:37,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:37,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:37,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:37,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:37,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:37,572 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:45:37,572 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:45:37,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:37,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-10-28 09:45:37,629 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:37,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:37,630 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:37,634 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:37,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 09:45:37,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:37,642 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:45:37,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:37,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:37,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:37,643 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:45:37,643 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:45:37,644 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:37,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:37,667 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:37,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:37,667 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:37,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 09:45:37,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:37,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:37,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:45:37,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:37,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:37,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:37,679 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:45:37,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:45:37,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:37,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:37,708 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:37,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:37,709 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:37,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 09:45:37,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:37,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:37,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:45:37,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:37,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:37,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:37,720 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:45:37,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:45:37,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:37,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:37,754 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:37,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:37,759 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:37,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 09:45:37,761 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:37,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:37,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:37,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:37,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:37,771 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:45:37,771 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:45:37,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:37,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-10-28 09:45:37,798 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:37,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:37,799 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:37,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 09:45:37,800 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:37,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:37,809 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:45:37,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:37,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:37,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:37,809 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:45:37,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:45:37,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:37,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-10-28 09:45:37,834 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:37,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:37,836 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:37,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 09:45:37,839 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:37,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:37,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:45:37,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:37,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:37,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:37,848 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:45:37,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:45:37,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:37,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:37,872 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:37,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:37,873 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:37,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 09:45:37,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:37,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:37,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:37,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:37,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:37,885 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:45:37,885 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:45:37,889 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:37,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-10-28 09:45:37,912 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:37,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:37,913 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:37,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 09:45:37,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:37,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:37,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:37,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:37,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:37,926 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:45:37,926 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:45:37,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:37,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:37,954 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:37,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:37,955 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:37,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 09:45:37,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:37,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:37,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:37,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:37,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:37,970 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:45:37,970 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:45:37,992 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:45:38,005 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-28 09:45:38,005 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-10-28 09:45:38,005 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:38,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:38,014 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:38,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 09:45:38,017 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:45:38,054 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:45:38,054 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:45:38,054 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_2 Supporting invariants [] [2021-10-28 09:45:38,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:38,174 INFO L297 tatePredicateManager]: 21 out of 24 supporting invariants were superfluous and have been removed [2021-10-28 09:45:38,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:45:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:45:38,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:45:38,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:45:38,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-10-28 09:45:38,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:45:38,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:45:38,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:45:38,518 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-10-28 09:45:38,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 40 [2021-10-28 09:45:38,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:45:38,592 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2021-10-28 09:45:38,592 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 4 Second operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:45:38,684 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 4. Second operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 37 states and 40 transitions. Complement of second has 10 states. [2021-10-28 09:45:38,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-28 09:45:38,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:45:38,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 10 transitions. [2021-10-28 09:45:38,685 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 10 transitions. Stem has 3 letters. Loop has 6 letters. [2021-10-28 09:45:38,686 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:45:38,686 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 10 transitions. Stem has 9 letters. Loop has 6 letters. [2021-10-28 09:45:38,686 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:45:38,686 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 10 transitions. Stem has 3 letters. Loop has 12 letters. [2021-10-28 09:45:38,686 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:45:38,687 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 40 transitions. [2021-10-28 09:45:38,688 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 09:45:38,688 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 20 states and 21 transitions. [2021-10-28 09:45:38,689 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-10-28 09:45:38,689 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-10-28 09:45:38,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 21 transitions. [2021-10-28 09:45:38,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:45:38,689 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 21 transitions. [2021-10-28 09:45:38,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 21 transitions. [2021-10-28 09:45:38,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 15. [2021-10-28 09:45:38,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 14 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:45:38,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2021-10-28 09:45:38,691 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 16 transitions. [2021-10-28 09:45:38,691 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 16 transitions. [2021-10-28 09:45:38,691 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 09:45:38,691 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 16 transitions. [2021-10-28 09:45:38,692 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 09:45:38,692 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:45:38,692 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:45:38,693 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:45:38,693 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:45:38,693 INFO L791 eck$LassoCheckResult]: Stem: 610#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 611#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~mem13, main_#t~mem14, main_#t~mem15, main_#t~nondet16, main_#t~mem17, main_#t~mem18, main_#t~nondet19, main_#t~mem20, main_#t~mem8, main_#t~mem9, main_#t~short10, main_#t~mem11, main_#t~short12, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6;call write~int(main_#t~nondet7, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~nondet7; 616#L555-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short10 := main_#t~mem8 > 0; 617#L554-1 assume main_#t~short10;call main_#t~mem9 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short10 := main_#t~mem9 > 0; 614#L554-3 main_#t~short12 := main_#t~short10; 615#L554-4 assume main_#t~short12;call main_#t~mem11 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short12 := main_#t~mem11 > 0; 620#L554-6 assume !!main_#t~short12;havoc main_#t~mem8;havoc main_#t~mem9;havoc main_#t~short10;havoc main_#t~mem11;havoc main_#t~short12;call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4); 608#L555 assume main_#t~mem13 > main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;call main_#t~mem15 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem15, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;call write~int(main_#t~nondet16, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet16;call main_#t~mem17 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem17; 609#L555-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short10 := main_#t~mem8 > 0; 618#L554-1 [2021-10-28 09:45:38,693 INFO L793 eck$LassoCheckResult]: Loop: 618#L554-1 assume main_#t~short10;call main_#t~mem9 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short10 := main_#t~mem9 > 0; 612#L554-3 main_#t~short12 := main_#t~short10; 613#L554-4 assume main_#t~short12;call main_#t~mem11 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short12 := main_#t~mem11 > 0; 619#L554-6 assume !!main_#t~short12;havoc main_#t~mem8;havoc main_#t~mem9;havoc main_#t~short10;havoc main_#t~mem11;havoc main_#t~short12;call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4); 606#L555 assume !(main_#t~mem13 > main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;call main_#t~mem18 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 - 1, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;call write~int(main_#t~nondet19, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet19;call main_#t~mem20 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem20; 607#L555-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short10 := main_#t~mem8 > 0; 618#L554-1 [2021-10-28 09:45:38,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:45:38,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1211450491, now seen corresponding path program 2 times [2021-10-28 09:45:38,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:45:38,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348673596] [2021-10-28 09:45:38,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:45:38,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:45:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:38,711 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:45:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:38,726 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:45:38,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:45:38,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1187255894, now seen corresponding path program 2 times [2021-10-28 09:45:38,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:45:38,727 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217505716] [2021-10-28 09:45:38,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:45:38,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:45:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:38,735 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:45:38,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:38,743 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:45:38,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:45:38,744 INFO L85 PathProgramCache]: Analyzing trace with hash 816748368, now seen corresponding path program 2 times [2021-10-28 09:45:38,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:45:38,744 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455790019] [2021-10-28 09:45:38,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:45:38,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:45:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:38,763 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:45:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:45:38,787 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:45:39,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-10-28 09:45:40,716 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:45:40,716 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:45:40,716 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:45:40,716 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:45:40,716 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:45:40,716 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:40,716 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:45:40,716 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:45:40,716 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ben-Amram-2010LMCS-Ex2.3-alloca.i_Iteration6_Lasso [2021-10-28 09:45:40,716 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:45:40,717 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:45:40,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:40,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:40,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:40,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:40,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:40,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:40,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:40,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:40,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:40,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:40,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:40,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:40,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:40,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:40,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:41,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:41,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:41,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:41,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:41,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:45:42,471 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:45:42,471 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:45:42,472 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:42,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:42,487 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:42,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 09:45:42,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:42,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:42,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:45:42,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:42,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:42,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:42,498 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:45:42,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:45:42,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:42,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:42,524 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:42,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:42,525 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:42,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 09:45:42,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:42,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:42,536 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:45:42,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:42,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:42,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:42,536 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:45:42,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:45:42,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:42,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-10-28 09:45:42,564 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:42,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:42,565 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:42,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 09:45:42,567 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:42,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:42,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:42,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:42,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:42,577 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:45:42,577 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:45:42,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:42,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-10-28 09:45:42,604 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:42,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:42,605 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:42,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 09:45:42,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:42,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:42,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:45:42,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:42,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:42,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:42,615 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:45:42,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:45:42,625 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:42,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-10-28 09:45:42,645 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:42,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:42,646 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:42,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 09:45:42,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:42,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:42,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:45:42,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:42,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:42,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:42,655 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:45:42,655 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:45:42,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:42,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:42,689 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:42,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:42,691 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:42,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:42,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:42,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:42,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:42,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:42,719 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:45:42,719 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:45:42,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 09:45:42,745 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:42,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:42,785 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:42,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:42,786 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:42,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:42,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:42,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:45:42,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:42,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:42,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:42,801 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:45:42,801 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:45:42,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-28 09:45:42,812 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:42,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:42,850 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:42,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:42,851 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:42,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:42,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:42,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:45:42,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:42,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:42,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:42,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:45:42,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:45:42,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-28 09:45:42,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:42,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:42,895 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:42,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:42,896 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:42,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-28 09:45:42,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:42,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:42,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:42,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:42,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:42,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:45:42,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:45:42,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:42,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:42,957 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:42,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:42,958 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:42,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-28 09:45:42,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:42,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:42,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:45:42,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:42,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:42,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:42,968 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:45:42,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:45:42,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:42,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:42,994 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:42,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:42,995 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:42,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:42,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-28 09:45:43,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:43,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:45:43,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:43,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:43,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:43,005 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:45:43,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:45:43,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:43,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:43,029 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:43,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:43,030 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:43,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-28 09:45:43,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:43,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:43,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:45:43,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:43,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:43,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:43,042 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:45:43,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:45:43,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:43,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:43,067 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:43,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:43,070 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:43,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-28 09:45:43,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:43,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:43,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:45:43,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:43,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:43,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:43,080 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:45:43,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:45:43,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:43,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:43,104 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:43,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:43,105 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:43,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-28 09:45:43,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:43,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:43,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:45:43,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:43,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:43,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:43,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:45:43,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:45:43,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:43,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:43,140 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:43,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:43,141 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:43,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-28 09:45:43,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:43,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:43,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:43,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:43,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:43,153 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:45:43,153 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:45:43,157 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:43,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:43,179 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:43,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:43,181 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:43,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-28 09:45:43,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:43,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:43,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:43,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:43,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:43,194 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:45:43,194 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:45:43,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:43,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:43,223 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:43,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:43,224 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:43,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-28 09:45:43,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:43,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:43,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:45:43,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:45:43,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:43,236 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:45:43,236 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:45:43,238 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:45:43,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-10-28 09:45:43,262 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:43,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:43,263 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:43,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-28 09:45:43,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:45:43,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:45:43,273 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-28 09:45:43,273 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:45:43,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:45:43,301 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2021-10-28 09:45:43,301 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-28 09:45:43,356 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:45:43,396 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-10-28 09:45:43,396 INFO L444 ModelExtractionUtils]: 17 out of 36 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-10-28 09:45:43,396 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:45:43,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:45:43,398 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:45:43,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-28 09:45:43,399 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:45:43,409 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2021-10-28 09:45:43,409 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:45:43,409 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_3 Supporting invariants [] [2021-10-28 09:45:43,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:43,508 INFO L297 tatePredicateManager]: 21 out of 24 supporting invariants were superfluous and have been removed [2021-10-28 09:45:43,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:45:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:45:43,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 09:45:43,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:45:43,613 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-28 09:45:43,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-10-28 09:45:43,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-28 09:45:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:45:43,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:45:43,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:45:44,038 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-10-28 09:45:44,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 40 [2021-10-28 09:45:44,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:45:44,110 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2021-10-28 09:45:44,110 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 16 transitions. cyclomatic complexity: 3 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:45:44,182 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 16 transitions. cyclomatic complexity: 3. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 25 transitions. Complement of second has 10 states. [2021-10-28 09:45:44,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-28 09:45:44,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:45:44,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2021-10-28 09:45:44,185 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 7 transitions. Stem has 9 letters. Loop has 6 letters. [2021-10-28 09:45:44,185 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:45:44,185 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:45:44,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:45:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:45:44,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 09:45:44,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:45:44,270 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-28 09:45:44,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-10-28 09:45:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:45:44,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:45:44,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:45:44,698 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-10-28 09:45:44,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 40 [2021-10-28 09:45:44,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:45:44,752 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 4 loop predicates [2021-10-28 09:45:44,752 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 16 transitions. cyclomatic complexity: 3 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:45:44,832 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 16 transitions. cyclomatic complexity: 3. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 25 transitions. Complement of second has 10 states. [2021-10-28 09:45:44,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-28 09:45:44,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:45:44,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2021-10-28 09:45:44,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 7 transitions. Stem has 9 letters. Loop has 6 letters. [2021-10-28 09:45:44,835 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:45:44,835 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:45:44,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:45:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:45:44,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 09:45:44,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:45:44,913 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-28 09:45:44,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-10-28 09:45:45,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:45:45,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:45:45,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:45:45,301 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-10-28 09:45:45,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 40 [2021-10-28 09:45:45,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:45:45,361 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2021-10-28 09:45:45,362 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 16 transitions. cyclomatic complexity: 3 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:45:45,455 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 16 transitions. cyclomatic complexity: 3. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 28 transitions. Complement of second has 11 states. [2021-10-28 09:45:45,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-28 09:45:45,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:45:45,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 17 transitions. [2021-10-28 09:45:45,457 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 9 letters. Loop has 6 letters. [2021-10-28 09:45:45,458 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:45:45,458 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 15 letters. Loop has 6 letters. [2021-10-28 09:45:45,458 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:45:45,458 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 9 letters. Loop has 12 letters. [2021-10-28 09:45:45,460 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:45:45,460 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 28 transitions. [2021-10-28 09:45:45,460 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:45:45,461 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2021-10-28 09:45:45,461 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:45:45,461 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:45:45,461 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:45:45,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:45:45,461 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:45:45,461 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:45:45,466 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:45:45,466 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-28 09:45:45,466 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:45:45,467 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:45:45,467 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 09:45:45,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:45:45 BoogieIcfgContainer [2021-10-28 09:45:45,475 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:45:45,476 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:45:45,476 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:45:45,476 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:45:45,477 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:45:26" (3/4) ... [2021-10-28 09:45:45,480 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:45:45,480 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:45:45,481 INFO L168 Benchmark]: Toolchain (without parser) took 20044.64 ms. Allocated memory was 113.2 MB in the beginning and 192.9 MB in the end (delta: 79.7 MB). Free memory was 70.8 MB in the beginning and 144.9 MB in the end (delta: -74.2 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:45:45,482 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 113.2 MB. Free memory was 88.0 MB in the beginning and 87.9 MB in the end (delta: 66.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:45:45,483 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.13 ms. Allocated memory is still 113.2 MB. Free memory was 70.5 MB in the beginning and 80.7 MB in the end (delta: -10.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:45:45,483 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.75 ms. Allocated memory is still 113.2 MB. Free memory was 80.7 MB in the beginning and 78.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:45:45,484 INFO L168 Benchmark]: Boogie Preprocessor took 58.81 ms. Allocated memory is still 113.2 MB. Free memory was 78.8 MB in the beginning and 77.8 MB in the end (delta: 996.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:45:45,484 INFO L168 Benchmark]: RCFGBuilder took 407.70 ms. Allocated memory is still 113.2 MB. Free memory was 77.8 MB in the beginning and 66.5 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:45:45,485 INFO L168 Benchmark]: BuchiAutomizer took 18810.31 ms. Allocated memory was 113.2 MB in the beginning and 192.9 MB in the end (delta: 79.7 MB). Free memory was 66.2 MB in the beginning and 144.9 MB in the end (delta: -78.8 MB). Peak memory consumption was 1.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:45:45,485 INFO L168 Benchmark]: Witness Printer took 4.83 ms. Allocated memory is still 192.9 MB. Free memory is still 144.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:45:45,488 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 113.2 MB. Free memory was 88.0 MB in the beginning and 87.9 MB in the end (delta: 66.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 681.13 ms. Allocated memory is still 113.2 MB. Free memory was 70.5 MB in the beginning and 80.7 MB in the end (delta: -10.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.75 ms. Allocated memory is still 113.2 MB. Free memory was 80.7 MB in the beginning and 78.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.81 ms. Allocated memory is still 113.2 MB. Free memory was 78.8 MB in the beginning and 77.8 MB in the end (delta: 996.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 407.70 ms. Allocated memory is still 113.2 MB. Free memory was 77.8 MB in the beginning and 66.5 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 18810.31 ms. Allocated memory was 113.2 MB in the beginning and 192.9 MB in the end (delta: 79.7 MB). Free memory was 66.2 MB in the beginning and 144.9 MB in the end (delta: -78.8 MB). Peak memory consumption was 1.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.83 ms. Allocated memory is still 192.9 MB. Free memory is still 144.9 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 6 terminating modules (3 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[x][x] + unknown-#memory_int-unknown[z][z] + unknown-#memory_int-unknown[y][y] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[z][z] and consists of 6 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[z][z] and consists of 6 locations. 3 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 18.7s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 15.3s. Construction of modules took 0.2s. Büchi inclusion checks took 2.9s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 10 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 20 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 44 SDtfs, 38 SDslu, 41 SDs, 0 SdLazy, 144 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU2 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital576 mio100 ax103 hnf100 lsp95 ukn53 mio100 lsp29 div100 bol104 ite100 ukn100 eq172 hnf88 smp92 dnf218 smp66 tf100 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 146ms VariablesStem: 7 VariablesLoop: 10 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 09:45:45,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-10-28 09:45:45,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2e710a-b994-483e-93f0-4c5fc9844b83/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...