./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrspn_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrspn_reverse_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8 --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 5874eb83dea617c97f28746e1359ec67eb979d702b31dfbd0eb177fa26bd5d73 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 18:47:51,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:47:51,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:47:51,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:47:51,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:47:51,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:47:51,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:47:51,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:47:51,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:47:51,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:47:51,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:47:51,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:47:51,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:47:51,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:47:51,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:47:51,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:47:51,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:47:51,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:47:51,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:47:51,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:47:51,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:47:51,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:47:51,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:47:51,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:47:51,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:47:51,573 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:47:51,573 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:47:51,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:47:51,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:47:51,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:47:51,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:47:51,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:47:51,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:47:51,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:47:51,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:47:51,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:47:51,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:47:51,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:47:51,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:47:51,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:47:51,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:47:51,582 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-12-13 18:47:51,605 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:47:51,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:47:51,606 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:47:51,606 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:47:51,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:47:51,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:47:51,611 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:47:51,611 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 18:47:51,611 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 18:47:51,612 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 18:47:51,612 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 18:47:51,612 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 18:47:51,612 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 18:47:51,612 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:47:51,612 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:47:51,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:47:51,613 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:47:51,613 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 18:47:51,613 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 18:47:51,613 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 18:47:51,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:47:51,613 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 18:47:51,614 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:47:51,614 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 18:47:51,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:47:51,614 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:47:51,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:47:51,614 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:47:51,615 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 18:47:51,615 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_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5874eb83dea617c97f28746e1359ec67eb979d702b31dfbd0eb177fa26bd5d73 [2022-12-13 18:47:51,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:47:51,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:47:51,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:47:51,801 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:47:51,802 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:47:51,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-15/cstrspn_reverse_alloca.i [2022-12-13 18:47:54,327 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:47:54,517 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:47:54,517 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/sv-benchmarks/c/termination-15/cstrspn_reverse_alloca.i [2022-12-13 18:47:54,525 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/data/41930a17c/37e81741935c4d1f88082aeacc10e0b0/FLAG6a7ae5a69 [2022-12-13 18:47:54,539 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/data/41930a17c/37e81741935c4d1f88082aeacc10e0b0 [2022-12-13 18:47:54,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:47:54,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:47:54,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:47:54,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:47:54,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:47:54,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:47:54" (1/1) ... [2022-12-13 18:47:54,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b1f9c5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:54, skipping insertion in model container [2022-12-13 18:47:54,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:47:54" (1/1) ... [2022-12-13 18:47:54,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:47:54,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:47:54,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:47:54,782 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:47:54,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:47:54,826 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:47:54,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:54 WrapperNode [2022-12-13 18:47:54,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:47:54,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:47:54,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:47:54,828 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:47:54,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:54" (1/1) ... [2022-12-13 18:47:54,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:54" (1/1) ... [2022-12-13 18:47:54,856 INFO L138 Inliner]: procedures = 152, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2022-12-13 18:47:54,856 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:47:54,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:47:54,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:47:54,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:47:54,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:54" (1/1) ... [2022-12-13 18:47:54,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:54" (1/1) ... [2022-12-13 18:47:54,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:54" (1/1) ... [2022-12-13 18:47:54,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:54" (1/1) ... [2022-12-13 18:47:54,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:54" (1/1) ... [2022-12-13 18:47:54,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:54" (1/1) ... [2022-12-13 18:47:54,872 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:54" (1/1) ... [2022-12-13 18:47:54,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:54" (1/1) ... [2022-12-13 18:47:54,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:47:54,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:47:54,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:47:54,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:47:54,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:54" (1/1) ... [2022-12-13 18:47:54,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:47:54,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:47:54,899 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:47:54,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 18:47:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 18:47:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 18:47:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 18:47:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 18:47:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:47:54,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:47:54,995 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:47:54,997 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:47:55,148 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:47:55,152 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:47:55,152 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 18:47:55,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:47:55 BoogieIcfgContainer [2022-12-13 18:47:55,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:47:55,154 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 18:47:55,154 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 18:47:55,157 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 18:47:55,157 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:47:55,157 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 06:47:54" (1/3) ... [2022-12-13 18:47:55,159 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d39623e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 06:47:55, skipping insertion in model container [2022-12-13 18:47:55,159 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:47:55,160 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:54" (2/3) ... [2022-12-13 18:47:55,160 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d39623e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 06:47:55, skipping insertion in model container [2022-12-13 18:47:55,160 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:47:55,160 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:47:55" (3/3) ... [2022-12-13 18:47:55,161 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrspn_reverse_alloca.i [2022-12-13 18:47:55,200 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 18:47:55,201 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 18:47:55,201 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 18:47:55,201 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 18:47:55,201 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 18:47:55,201 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 18:47:55,201 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 18:47:55,201 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 18:47:55,204 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:47:55,217 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-12-13 18:47:55,217 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:47:55,217 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:47:55,220 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-12-13 18:47:55,221 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-12-13 18:47:55,221 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 18:47:55,221 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:47:55,222 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-12-13 18:47:55,222 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:47:55,222 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:47:55,222 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-12-13 18:47:55,222 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-12-13 18:47:55,227 INFO L748 eck$LassoCheckResult]: Stem: 13#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 16#L382true assume !(main_~length1~0#1 < 1); 14#L382-2true assume !(main_~length2~0#1 < 1); 3#L385-1true call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem207#1, cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset, cstrspn_#t~mem208#1, cstrspn_#t~mem209#1, cstrspn_#t~short210#1, cstrspn_#t~mem212#1, cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset, cstrspn_#t~mem206#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 8#L369-4true [2022-12-13 18:47:55,228 INFO L750 eck$LassoCheckResult]: Loop: 8#L369-4true call cstrspn_#t~mem206#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 15#L369-1true assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 5#L372-5true assume !true; 4#L372-6true call cstrspn_#t~mem212#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 19#L374true assume !(cstrspn_#t~mem212#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem212#1; 9#L369-3true cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset - 1;havoc cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset; 8#L369-4true [2022-12-13 18:47:55,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:55,232 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-12-13 18:47:55,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:55,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015912524] [2022-12-13 18:47:55,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:55,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:47:55,330 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:47:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:47:55,364 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:47:55,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:55,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2022-12-13 18:47:55,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:55,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098177811] [2022-12-13 18:47:55,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:55,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:55,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:47:55,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:47:55,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098177811] [2022-12-13 18:47:55,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098177811] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:47:55,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:47:55,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:47:55,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588926522] [2022-12-13 18:47:55,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:47:55,414 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 18:47:55,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:47:55,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 18:47:55,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 18:47:55,448 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:47:55,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:47:55,453 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2022-12-13 18:47:55,454 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2022-12-13 18:47:55,455 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-12-13 18:47:55,457 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2022-12-13 18:47:55,458 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-12-13 18:47:55,458 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-12-13 18:47:55,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2022-12-13 18:47:55,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:47:55,459 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-12-13 18:47:55,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2022-12-13 18:47:55,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-13 18:47:55,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 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) [2022-12-13 18:47:55,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2022-12-13 18:47:55,477 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-12-13 18:47:55,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 18:47:55,481 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-12-13 18:47:55,481 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 18:47:55,481 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2022-12-13 18:47:55,481 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-12-13 18:47:55,481 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:47:55,482 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:47:55,482 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-12-13 18:47:55,482 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:47:55,482 INFO L748 eck$LassoCheckResult]: Stem: 55#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 50#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 51#L382 assume !(main_~length1~0#1 < 1); 56#L382-2 assume !(main_~length2~0#1 < 1); 44#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem207#1, cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset, cstrspn_#t~mem208#1, cstrspn_#t~mem209#1, cstrspn_#t~short210#1, cstrspn_#t~mem212#1, cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset, cstrspn_#t~mem206#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 45#L369-4 [2022-12-13 18:47:55,482 INFO L750 eck$LassoCheckResult]: Loop: 45#L369-4 call cstrspn_#t~mem206#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 52#L369-1 assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 48#L372-5 call cstrspn_#t~mem208#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := 0 != cstrspn_#t~mem208#1; 49#L372-1 assume cstrspn_#t~short210#1;call cstrspn_#t~mem209#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := cstrspn_#t~mem209#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 54#L372-3 assume !cstrspn_#t~short210#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~mem209#1;havoc cstrspn_#t~short210#1; 46#L372-6 call cstrspn_#t~mem212#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 47#L374 assume !(cstrspn_#t~mem212#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem212#1; 53#L369-3 cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset - 1;havoc cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset; 45#L369-4 [2022-12-13 18:47:55,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:55,483 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2022-12-13 18:47:55,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:55,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979074047] [2022-12-13 18:47:55,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:55,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:47:55,503 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:47:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:47:55,519 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:47:55,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:55,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2022-12-13 18:47:55,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:55,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732981218] [2022-12-13 18:47:55,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:55,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:47:55,532 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:47:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:47:55,541 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:47:55,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:55,542 INFO L85 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2022-12-13 18:47:55,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:55,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761085993] [2022-12-13 18:47:55,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:55,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:55,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:47:55,582 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:47:55,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:47:55,608 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:47:56,468 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 18:47:56,468 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 18:47:56,468 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 18:47:56,468 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 18:47:56,468 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 18:47:56,468 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:47:56,468 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 18:47:56,469 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 18:47:56,469 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_reverse_alloca.i_Iteration2_Lasso [2022-12-13 18:47:56,469 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 18:47:56,469 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 18:47:56,484 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:56,492 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:56,495 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:56,496 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:56,498 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:56,500 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:56,502 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:56,503 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:56,506 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:56,507 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:56,994 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:56,996 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:56,997 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:56,999 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:57,000 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:57,002 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:57,004 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:57,005 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:57,622 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 18:47:57,626 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 18:47:57,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:47:57,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:47:57,629 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:47:57,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 18:47:57,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:47:57,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:47:57,642 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:47:57,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:47:57,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:47:57,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:47:57,644 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:47:57,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:47:57,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:47:57,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 18:47:57,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:47:57,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:47:57,651 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:47:57,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 18:47:57,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:47:57,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:47:57,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:47:57,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:47:57,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:47:57,667 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 18:47:57,667 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 18:47:57,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:47:57,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-12-13 18:47:57,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:47:57,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:47:57,674 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:47:57,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 18:47:57,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:47:57,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:47:57,686 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:47:57,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:47:57,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:47:57,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:47:57,686 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:47:57,687 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:47:57,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:47:57,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 18:47:57,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:47:57,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:47:57,692 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:47:57,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 18:47:57,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:47:57,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:47:57,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:47:57,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:47:57,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:47:57,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:47:57,705 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:47:57,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:47:57,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:47:57,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 18:47:57,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:47:57,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:47:57,710 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:47:57,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 18:47:57,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:47:57,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:47:57,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:47:57,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:47:57,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:47:57,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:47:57,722 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:47:57,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:47:57,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:47:57,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 18:47:57,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:47:57,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:47:57,727 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:47:57,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 18:47:57,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:47:57,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:47:57,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:47:57,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:47:57,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:47:57,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:47:57,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:47:57,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:47:57,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:47:57,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 18:47:57,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:47:57,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:47:57,745 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:47:57,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 18:47:57,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:47:57,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:47:57,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:47:57,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:47:57,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:47:57,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:47:57,757 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:47:57,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:47:57,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:47:57,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-12-13 18:47:57,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:47:57,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:47:57,763 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:47:57,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 18:47:57,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:47:57,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:47:57,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:47:57,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:47:57,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:47:57,777 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 18:47:57,777 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 18:47:57,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:47:57,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 18:47:57,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:47:57,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:47:57,785 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:47:57,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 18:47:57,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:47:57,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:47:57,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:47:57,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:47:57,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:47:57,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:47:57,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:47:57,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:47:57,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:47:57,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-12-13 18:47:57,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:47:57,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:47:57,803 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:47:57,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 18:47:57,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:47:57,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:47:57,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:47:57,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:47:57,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:47:57,817 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 18:47:57,817 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 18:47:57,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:47:57,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-12-13 18:47:57,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:47:57,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:47:57,825 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:47:57,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 18:47:57,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:47:57,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:47:57,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:47:57,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:47:57,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:47:57,849 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 18:47:57,849 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 18:47:57,877 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 18:47:57,953 INFO L443 ModelExtractionUtils]: Simplification made 21 calls to the SMT solver. [2022-12-13 18:47:57,953 INFO L444 ModelExtractionUtils]: 22 out of 52 variables were initially zero. Simplification set additionally 25 variables to zero. [2022-12-13 18:47:57,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:47:57,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:47:57,975 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:47:57,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 18:47:57,977 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 18:47:57,990 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-12-13 18:47:57,990 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 18:47:57,991 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc216#1.base)_1, ULTIMATE.start_cstrspn_~sc1~0#1.offset) = 18446744073709551615*v_rep(select #length ULTIMATE.start_main_#t~malloc216#1.base)_1 + 2*ULTIMATE.start_cstrspn_~sc1~0#1.offset Supporting invariants [18446744073709551615*v_rep(select #length ULTIMATE.start_main_#t~malloc216#1.base)_1 - 1*v_rep(select #length ULTIMATE.start_cstrspn_~sc1~0#1.base)_1 >= 0] [2022-12-13 18:47:57,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-12-13 18:47:58,039 INFO L156 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2022-12-13 18:47:58,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:58,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-13 18:47:58,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:47:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:58,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 18:47:58,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:47:58,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-12-13 18:47:58,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:47:58,199 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 18:47:58,200 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:47:58,249 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 21 states and 28 transitions. Complement of second has 4 states. [2022-12-13 18:47:58,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 18:47:58,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:47:58,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2022-12-13 18:47:58,252 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2022-12-13 18:47:58,252 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 18:47:58,252 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2022-12-13 18:47:58,253 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 18:47:58,253 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2022-12-13 18:47:58,253 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 18:47:58,253 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2022-12-13 18:47:58,254 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 18:47:58,254 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2022-12-13 18:47:58,254 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-12-13 18:47:58,255 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-12-13 18:47:58,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2022-12-13 18:47:58,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 18:47:58,255 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2022-12-13 18:47:58,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2022-12-13 18:47:58,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-12-13 18:47:58,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:47:58,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2022-12-13 18:47:58,257 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2022-12-13 18:47:58,257 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2022-12-13 18:47:58,257 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 18:47:58,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2022-12-13 18:47:58,258 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 18:47:58,258 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:47:58,258 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:47:58,258 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:47:58,258 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 18:47:58,259 INFO L748 eck$LassoCheckResult]: Stem: 201#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 193#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 194#L382 assume !(main_~length1~0#1 < 1); 202#L382-2 assume !(main_~length2~0#1 < 1); 185#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem207#1, cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset, cstrspn_#t~mem208#1, cstrspn_#t~mem209#1, cstrspn_#t~short210#1, cstrspn_#t~mem212#1, cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset, cstrspn_#t~mem206#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 186#L369-4 call cstrspn_#t~mem206#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 196#L369-1 assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 189#L372-5 [2022-12-13 18:47:58,259 INFO L750 eck$LassoCheckResult]: Loop: 189#L372-5 call cstrspn_#t~mem208#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := 0 != cstrspn_#t~mem208#1; 190#L372-1 assume cstrspn_#t~short210#1;call cstrspn_#t~mem209#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := cstrspn_#t~mem209#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 199#L372-3 assume !!cstrspn_#t~short210#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~mem209#1;havoc cstrspn_#t~short210#1;cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset := cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset - 1;havoc cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset; 189#L372-5 [2022-12-13 18:47:58,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:58,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2022-12-13 18:47:58,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:58,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724008479] [2022-12-13 18:47:58,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:58,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:58,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:47:58,283 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:47:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:47:58,299 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:47:58,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:58,300 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2022-12-13 18:47:58,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:58,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920310896] [2022-12-13 18:47:58,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:58,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:47:58,305 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:47:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:47:58,309 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:47:58,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:58,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2022-12-13 18:47:58,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:58,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587609450] [2022-12-13 18:47:58,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:58,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:47:58,340 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:47:58,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:47:58,357 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:47:59,044 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 18:47:59,044 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 18:47:59,044 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 18:47:59,044 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 18:47:59,045 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 18:47:59,045 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:47:59,045 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 18:47:59,045 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 18:47:59,045 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_reverse_alloca.i_Iteration3_Lasso [2022-12-13 18:47:59,045 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 18:47:59,045 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 18:47:59,049 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:59,050 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:59,052 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:59,053 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:59,054 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:59,055 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:59,538 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:59,539 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:59,540 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:59,541 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:59,543 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:59,544 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:59,545 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:59,546 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:59,548 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:59,549 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:59,550 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:47:59,551 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:48:00,116 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 18:48:00,116 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 18:48:00,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:48:00,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:00,118 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:48:00,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-12-13 18:48:00,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:48:00,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:48:00,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:48:00,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:48:00,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:48:00,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:48:00,130 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:48:00,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:48:00,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:48:00,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-12-13 18:48:00,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:48:00,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:00,134 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:48:00,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-12-13 18:48:00,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:48:00,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:48:00,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:48:00,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:48:00,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:48:00,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:48:00,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:48:00,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:48:00,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:48:00,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-12-13 18:48:00,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:48:00,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:00,151 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:48:00,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-12-13 18:48:00,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:48:00,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:48:00,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:48:00,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:48:00,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:48:00,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:48:00,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:48:00,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:48:00,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:48:00,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-12-13 18:48:00,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:48:00,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:00,168 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:48:00,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-12-13 18:48:00,170 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:48:00,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:48:00,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:48:00,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:48:00,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:48:00,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:48:00,180 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:48:00,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:48:00,181 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:48:00,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-12-13 18:48:00,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:48:00,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:00,185 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:48:00,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-12-13 18:48:00,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:48:00,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:48:00,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:48:00,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:48:00,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:48:00,198 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 18:48:00,198 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 18:48:00,201 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:48:00,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-12-13 18:48:00,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:48:00,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:00,204 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:48:00,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-12-13 18:48:00,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:48:00,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:48:00,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:48:00,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:48:00,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:48:00,218 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 18:48:00,218 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 18:48:00,221 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:48:00,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-12-13 18:48:00,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:48:00,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:00,225 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:48:00,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-12-13 18:48:00,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:48:00,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:48:00,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:48:00,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:48:00,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:48:00,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 18:48:00,239 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 18:48:00,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:48:00,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-12-13 18:48:00,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:48:00,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:00,245 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:48:00,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-12-13 18:48:00,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:48:00,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:48:00,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:48:00,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:48:00,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:48:00,259 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 18:48:00,259 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 18:48:00,262 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:48:00,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-12-13 18:48:00,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:48:00,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:00,266 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:48:00,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-12-13 18:48:00,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:48:00,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:48:00,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:48:00,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:48:00,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:48:00,280 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 18:48:00,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 18:48:00,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:48:00,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-12-13 18:48:00,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:48:00,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:00,287 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:48:00,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-12-13 18:48:00,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:48:00,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:48:00,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:48:00,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:48:00,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:48:00,305 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 18:48:00,305 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 18:48:00,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:48:00,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-12-13 18:48:00,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:48:00,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:00,320 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:48:00,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-12-13 18:48:00,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:48:00,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:48:00,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:48:00,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:48:00,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:48:00,341 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 18:48:00,341 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 18:48:00,361 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 18:48:00,392 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2022-12-13 18:48:00,392 INFO L444 ModelExtractionUtils]: 30 out of 55 variables were initially zero. Simplification set additionally 22 variables to zero. [2022-12-13 18:48:00,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:48:00,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:00,393 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:48:00,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-12-13 18:48:00,395 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 18:48:00,406 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 18:48:00,406 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 18:48:00,406 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~s~0#1.offset) = 2*ULTIMATE.start_cstrspn_~s~0#1.offset + 1 Supporting invariants [] [2022-12-13 18:48:00,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-12-13 18:48:00,457 INFO L156 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2022-12-13 18:48:00,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:48:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:00,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 18:48:00,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:48:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:00,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 18:48:00,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:48:00,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:48:00,504 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 18:48:00,504 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:48:00,520 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 57 transitions. Complement of second has 5 states. [2022-12-13 18:48:00,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 18:48:00,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:48:00,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2022-12-13 18:48:00,522 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 7 letters. Loop has 3 letters. [2022-12-13 18:48:00,522 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 18:48:00,522 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 10 letters. Loop has 3 letters. [2022-12-13 18:48:00,522 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 18:48:00,522 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 7 letters. Loop has 6 letters. [2022-12-13 18:48:00,523 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 18:48:00,523 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2022-12-13 18:48:00,525 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 18:48:00,525 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 30 states and 40 transitions. [2022-12-13 18:48:00,526 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-12-13 18:48:00,526 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-12-13 18:48:00,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2022-12-13 18:48:00,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 18:48:00,526 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 40 transitions. [2022-12-13 18:48:00,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2022-12-13 18:48:00,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2022-12-13 18:48:00,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:48:00,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2022-12-13 18:48:00,527 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 33 transitions. [2022-12-13 18:48:00,527 INFO L428 stractBuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2022-12-13 18:48:00,528 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 18:48:00,528 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2022-12-13 18:48:00,528 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 18:48:00,528 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:48:00,528 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:48:00,528 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:48:00,528 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 18:48:00,529 INFO L748 eck$LassoCheckResult]: Stem: 378#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 368#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 369#L382 assume !(main_~length1~0#1 < 1); 379#L382-2 assume !(main_~length2~0#1 < 1); 360#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem207#1, cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset, cstrspn_#t~mem208#1, cstrspn_#t~mem209#1, cstrspn_#t~short210#1, cstrspn_#t~mem212#1, cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset, cstrspn_#t~mem206#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 361#L369-4 call cstrspn_#t~mem206#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 370#L369-1 assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 380#L372-5 call cstrspn_#t~mem208#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := 0 != cstrspn_#t~mem208#1; 376#L372-1 assume !cstrspn_#t~short210#1; 377#L372-3 assume !cstrspn_#t~short210#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~mem209#1;havoc cstrspn_#t~short210#1; 362#L372-6 call cstrspn_#t~mem212#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 363#L374 assume !(cstrspn_#t~mem212#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem212#1; 374#L369-3 cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset - 1;havoc cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset; 371#L369-4 call cstrspn_#t~mem206#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 373#L369-1 assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 364#L372-5 [2022-12-13 18:48:00,529 INFO L750 eck$LassoCheckResult]: Loop: 364#L372-5 call cstrspn_#t~mem208#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := 0 != cstrspn_#t~mem208#1; 365#L372-1 assume cstrspn_#t~short210#1;call cstrspn_#t~mem209#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := cstrspn_#t~mem209#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 375#L372-3 assume !!cstrspn_#t~short210#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~mem209#1;havoc cstrspn_#t~short210#1;cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset := cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset - 1;havoc cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset; 364#L372-5 [2022-12-13 18:48:00,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:48:00,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2022-12-13 18:48:00,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:48:00,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468211779] [2022-12-13 18:48:00,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:48:00,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:48:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:00,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:48:00,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:48:00,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468211779] [2022-12-13 18:48:00,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468211779] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:48:00,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:48:00,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:48:00,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975126656] [2022-12-13 18:48:00,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:48:00,630 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 18:48:00,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:48:00,630 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2022-12-13 18:48:00,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:48:00,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556551828] [2022-12-13 18:48:00,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:48:00,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:48:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:48:00,636 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:48:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:48:00,640 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:48:00,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-12-13 18:48:00,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:48:00,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:48:00,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:48:00,736 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 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) [2022-12-13 18:48:00,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:48:00,797 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2022-12-13 18:48:00,797 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2022-12-13 18:48:00,798 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 18:48:00,798 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 27 states and 35 transitions. [2022-12-13 18:48:00,798 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-12-13 18:48:00,799 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-12-13 18:48:00,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2022-12-13 18:48:00,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 18:48:00,799 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 35 transitions. [2022-12-13 18:48:00,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2022-12-13 18:48:00,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2022-12-13 18:48:00,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:48:00,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2022-12-13 18:48:00,801 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 33 transitions. [2022-12-13 18:48:00,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 18:48:00,802 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2022-12-13 18:48:00,802 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-12-13 18:48:00,802 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2022-12-13 18:48:00,802 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 18:48:00,803 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:48:00,803 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:48:00,803 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:48:00,803 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 18:48:00,803 INFO L748 eck$LassoCheckResult]: Stem: 450#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 440#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 441#L382 assume !(main_~length1~0#1 < 1); 451#L382-2 assume !(main_~length2~0#1 < 1); 432#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem207#1, cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset, cstrspn_#t~mem208#1, cstrspn_#t~mem209#1, cstrspn_#t~short210#1, cstrspn_#t~mem212#1, cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset, cstrspn_#t~mem206#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 433#L369-4 call cstrspn_#t~mem206#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 442#L369-1 assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 455#L372-5 call cstrspn_#t~mem208#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := 0 != cstrspn_#t~mem208#1; 454#L372-1 assume cstrspn_#t~short210#1;call cstrspn_#t~mem209#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := cstrspn_#t~mem209#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 453#L372-3 assume !cstrspn_#t~short210#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~mem209#1;havoc cstrspn_#t~short210#1; 434#L372-6 call cstrspn_#t~mem212#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 435#L374 assume !(cstrspn_#t~mem212#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem212#1; 446#L369-3 cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset - 1;havoc cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset; 443#L369-4 call cstrspn_#t~mem206#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 445#L369-1 assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 436#L372-5 [2022-12-13 18:48:00,803 INFO L750 eck$LassoCheckResult]: Loop: 436#L372-5 call cstrspn_#t~mem208#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := 0 != cstrspn_#t~mem208#1; 437#L372-1 assume cstrspn_#t~short210#1;call cstrspn_#t~mem209#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := cstrspn_#t~mem209#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 447#L372-3 assume !!cstrspn_#t~short210#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~mem209#1;havoc cstrspn_#t~short210#1;cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset := cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset - 1;havoc cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset; 436#L372-5 [2022-12-13 18:48:00,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:48:00,804 INFO L85 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2022-12-13 18:48:00,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:48:00,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199722128] [2022-12-13 18:48:00,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:48:00,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:48:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:48:00,828 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:48:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:48:00,847 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:48:00,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:48:00,848 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2022-12-13 18:48:00,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:48:00,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109765245] [2022-12-13 18:48:00,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:48:00,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:48:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:48:00,853 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:48:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:48:00,857 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:48:00,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:48:00,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2022-12-13 18:48:00,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:48:00,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253535393] [2022-12-13 18:48:00,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:48:00,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:48:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:48:00,882 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:48:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:48:00,897 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:48:02,068 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 18:48:02,069 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 18:48:02,069 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 18:48:02,069 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 18:48:02,069 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 18:48:02,069 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:48:02,069 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 18:48:02,069 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 18:48:02,069 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_reverse_alloca.i_Iteration5_Lasso [2022-12-13 18:48:02,069 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 18:48:02,069 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 18:48:02,071 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:48:02,073 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:48:02,075 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:48:02,076 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:48:02,077 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:48:02,079 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:48:02,080 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:48:02,081 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:48:02,083 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:48:02,085 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:48:02,086 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:48:02,087 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:48:02,089 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:48:02,090 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:48:02,091 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:48:02,092 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:48:02,768 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:48:02,769 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:48:03,474 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 18:48:03,475 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 18:48:03,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:48:03,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:03,476 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:48:03,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-12-13 18:48:03,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:48:03,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:48:03,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:48:03,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:48:03,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:48:03,489 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 18:48:03,489 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 18:48:03,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:48:03,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-12-13 18:48:03,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:48:03,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:03,495 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:48:03,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-12-13 18:48:03,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:48:03,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:48:03,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:48:03,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:48:03,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:48:03,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:48:03,508 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:48:03,508 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:48:03,509 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:48:03,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-12-13 18:48:03,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:48:03,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:03,513 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:48:03,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-12-13 18:48:03,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:48:03,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:48:03,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:48:03,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:48:03,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:48:03,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:48:03,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:48:03,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:48:03,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:48:03,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-12-13 18:48:03,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:48:03,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:03,530 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:48:03,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-12-13 18:48:03,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:48:03,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:48:03,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:48:03,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:48:03,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:48:03,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:48:03,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:48:03,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:48:03,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:48:03,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-12-13 18:48:03,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:48:03,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:03,547 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:48:03,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-12-13 18:48:03,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:48:03,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:48:03,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:48:03,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:48:03,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:48:03,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:48:03,560 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:48:03,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:48:03,561 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:48:03,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-12-13 18:48:03,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:48:03,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:03,565 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:48:03,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-12-13 18:48:03,567 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 [2022-12-13 18:48:03,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:48:03,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:48:03,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:48:03,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:48:03,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:48:03,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:48:03,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:48:03,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:48:03,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-12-13 18:48:03,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:48:03,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:03,583 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:48:03,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-12-13 18:48:03,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:48:03,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:48:03,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:48:03,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:48:03,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:48:03,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:48:03,596 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:48:03,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:48:03,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:48:03,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-12-13 18:48:03,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:48:03,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:03,600 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:48:03,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-12-13 18:48:03,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:48:03,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:48:03,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:48:03,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:48:03,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:48:03,614 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 18:48:03,614 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 18:48:03,617 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:48:03,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-12-13 18:48:03,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:48:03,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:03,620 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:48:03,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-12-13 18:48:03,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:48:03,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:48:03,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:48:03,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:48:03,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:48:03,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:48:03,633 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:48:03,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:48:03,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:48:03,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-12-13 18:48:03,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:48:03,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:03,637 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:48:03,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-12-13 18:48:03,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:48:03,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:48:03,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:48:03,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:48:03,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:48:03,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:48:03,651 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:48:03,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:48:03,652 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:48:03,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-12-13 18:48:03,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:48:03,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:03,656 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:48:03,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-12-13 18:48:03,658 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:48:03,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:48:03,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:48:03,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:48:03,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:48:03,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:48:03,668 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:48:03,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:48:03,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:48:03,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-12-13 18:48:03,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:48:03,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:03,673 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:48:03,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-12-13 18:48:03,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:48:03,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:48:03,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:48:03,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:48:03,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:48:03,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:48:03,686 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:48:03,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:48:03,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:48:03,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-12-13 18:48:03,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:48:03,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:03,691 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:48:03,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-12-13 18:48:03,693 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:48:03,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:48:03,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:48:03,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:48:03,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:48:03,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:48:03,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:48:03,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:48:03,704 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:48:03,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-12-13 18:48:03,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:48:03,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:03,708 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:48:03,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-12-13 18:48:03,710 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:48:03,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:48:03,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:48:03,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:48:03,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:48:03,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:48:03,720 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:48:03,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:48:03,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:48:03,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-12-13 18:48:03,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:48:03,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:03,725 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:48:03,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-12-13 18:48:03,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:48:03,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:48:03,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:48:03,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:48:03,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:48:03,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:48:03,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:48:03,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:48:03,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:48:03,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-12-13 18:48:03,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:48:03,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:03,742 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:48:03,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-12-13 18:48:03,744 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:48:03,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:48:03,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:48:03,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:48:03,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:48:03,756 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 18:48:03,756 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 18:48:03,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:48:03,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-12-13 18:48:03,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:48:03,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:03,762 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:48:03,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-12-13 18:48:03,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:48:03,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:48:03,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:48:03,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:48:03,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:48:03,782 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 18:48:03,782 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 18:48:03,805 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 18:48:03,846 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2022-12-13 18:48:03,846 INFO L444 ModelExtractionUtils]: 10 out of 55 variables were initially zero. Simplification set additionally 42 variables to zero. [2022-12-13 18:48:03,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:48:03,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:48:03,847 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:48:03,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-12-13 18:48:03,849 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 18:48:03,859 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 18:48:03,860 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 18:48:03,860 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~s~0#1.offset) = 2*ULTIMATE.start_cstrspn_~s~0#1.offset + 1 Supporting invariants [] [2022-12-13 18:48:03,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-12-13 18:48:03,959 INFO L156 tatePredicateManager]: 25 out of 25 supporting invariants were superfluous and have been removed [2022-12-13 18:48:03,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:48:03,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-12-13 18:48:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:03,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 18:48:03,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:48:04,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:04,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 18:48:04,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:48:04,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:48:04,027 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 18:48:04,028 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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) [2022-12-13 18:48:04,042 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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) Result 41 states and 51 transitions. Complement of second has 5 states. [2022-12-13 18:48:04,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 18:48:04,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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) [2022-12-13 18:48:04,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2022-12-13 18:48:04,044 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2022-12-13 18:48:04,044 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 18:48:04,044 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-12-13 18:48:04,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:48:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:04,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 18:48:04,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:48:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:04,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 18:48:04,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:48:04,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:48:04,105 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 18:48:04,105 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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) [2022-12-13 18:48:04,117 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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) Result 41 states and 51 transitions. Complement of second has 5 states. [2022-12-13 18:48:04,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 18:48:04,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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) [2022-12-13 18:48:04,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2022-12-13 18:48:04,118 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2022-12-13 18:48:04,118 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 18:48:04,118 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-12-13 18:48:04,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:48:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:04,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 18:48:04,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:48:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:48:04,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 18:48:04,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:48:04,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:48:04,179 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 18:48:04,179 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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) [2022-12-13 18:48:04,192 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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) Result 41 states and 53 transitions. Complement of second has 4 states. [2022-12-13 18:48:04,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 18:48:04,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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) [2022-12-13 18:48:04,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2022-12-13 18:48:04,193 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 15 letters. Loop has 3 letters. [2022-12-13 18:48:04,194 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 18:48:04,194 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 18 letters. Loop has 3 letters. [2022-12-13 18:48:04,194 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 18:48:04,194 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 15 letters. Loop has 6 letters. [2022-12-13 18:48:04,194 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 18:48:04,195 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 53 transitions. [2022-12-13 18:48:04,196 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 18:48:04,196 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2022-12-13 18:48:04,196 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 18:48:04,196 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 18:48:04,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 18:48:04,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:48:04,197 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 18:48:04,197 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 18:48:04,197 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 18:48:04,197 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-12-13 18:48:04,197 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 18:48:04,197 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 18:48:04,197 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 18:48:04,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 06:48:04 BoogieIcfgContainer [2022-12-13 18:48:04,203 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 18:48:04,204 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:48:04,204 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:48:04,204 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:48:04,205 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:47:55" (3/4) ... [2022-12-13 18:48:04,207 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 18:48:04,207 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:48:04,208 INFO L158 Benchmark]: Toolchain (without parser) took 9665.35ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 92.7MB in the beginning and 100.2MB in the end (delta: -7.4MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2022-12-13 18:48:04,208 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 127.9MB. Free memory was 95.7MB in the beginning and 95.6MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:48:04,208 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.23ms. Allocated memory is still 127.9MB. Free memory was 92.3MB in the beginning and 74.7MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 18:48:04,209 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.70ms. Allocated memory is still 127.9MB. Free memory was 74.7MB in the beginning and 72.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:48:04,209 INFO L158 Benchmark]: Boogie Preprocessor took 18.00ms. Allocated memory is still 127.9MB. Free memory was 72.6MB in the beginning and 71.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:48:04,209 INFO L158 Benchmark]: RCFGBuilder took 278.51ms. Allocated memory is still 127.9MB. Free memory was 70.9MB in the beginning and 57.9MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 18:48:04,209 INFO L158 Benchmark]: BuchiAutomizer took 9049.43ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 57.9MB in the beginning and 100.2MB in the end (delta: -42.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:48:04,209 INFO L158 Benchmark]: Witness Printer took 3.39ms. Allocated memory is still 163.6MB. Free memory is still 100.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:48:04,211 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 127.9MB. Free memory was 95.7MB in the beginning and 95.6MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.23ms. Allocated memory is still 127.9MB. Free memory was 92.3MB in the beginning and 74.7MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.70ms. Allocated memory is still 127.9MB. Free memory was 74.7MB in the beginning and 72.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.00ms. Allocated memory is still 127.9MB. Free memory was 72.6MB in the beginning and 71.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 278.51ms. Allocated memory is still 127.9MB. Free memory was 70.9MB in the beginning and 57.9MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 9049.43ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 57.9MB in the beginning and 100.2MB in the end (delta: -42.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.39ms. Allocated memory is still 163.6MB. Free memory is still 100.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function 2 * sc1 + 18446744073709551615 * unknown-#length-unknown[__builtin_alloca(length2 * sizeof(char))] and consists of 3 locations. One deterministic module has affine ranking function 2 * s + 1 and consists of 3 locations. One nondeterministic module has affine ranking function 2 * s + 1 and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.0s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 8.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 107 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 103 mSDsluCounter, 180 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 63 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 95 IncrementalHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 117 mSDtfsCounter, 95 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital295 mio100 ax100 hnf100 lsp103 ukn79 mio100 lsp48 div161 bol100 ite100 ukn100 eq167 hnf92 smp68 dnf370 smp44 tf100 neg97 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 19ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-12-13 18:48:04,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2eff4e-b431-4c18-89c7-745ca7171ee6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE