./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 36c3a12d89778d96e6058a4f11ff4e1483403bd2fab9b14de640491057c7f753 --- 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-dbf71c6-m [2022-10-17 10:18:48,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:18:48,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:18:48,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:18:48,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:18:48,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:18:48,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:18:48,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:18:48,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:18:48,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:18:48,787 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:18:48,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:18:48,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:18:48,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:18:48,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:18:48,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:18:48,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:18:48,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:18:48,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:18:48,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:18:48,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:18:48,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:18:48,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:18:48,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:18:48,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:18:48,825 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:18:48,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:18:48,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:18:48,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:18:48,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:18:48,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:18:48,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:18:48,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:18:48,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:18:48,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:18:48,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:18:48,836 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:18:48,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:18:48,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:18:48,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:18:48,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:18:48,839 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-10-17 10:18:48,879 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:18:48,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:18:48,880 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:18:48,880 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:18:48,881 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:18:48,881 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:18:48,881 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:18:48,882 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:18:48,882 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:18:48,882 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:18:48,883 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:18:48,883 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:18:48,883 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:18:48,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:18:48,884 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:18:48,884 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:18:48,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:18:48,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:18:48,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:18:48,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:18:48,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:18:48,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:18:48,885 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:18:48,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:18:48,887 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:18:48,887 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:18:48,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:18:48,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:18:48,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:18:48,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:18:48,888 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:18:48,889 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:18:48,890 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_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36c3a12d89778d96e6058a4f11ff4e1483403bd2fab9b14de640491057c7f753 [2022-10-17 10:18:49,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:18:49,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:18:49,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:18:49,175 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:18:49,176 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:18:49,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca-1.i [2022-10-17 10:18:49,250 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/data/ec97db4cd/1151efc4cea946ddb60e601ef0b7d92a/FLAG931abc87c [2022-10-17 10:18:49,723 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:18:49,723 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca-1.i [2022-10-17 10:18:49,737 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/data/ec97db4cd/1151efc4cea946ddb60e601ef0b7d92a/FLAG931abc87c [2022-10-17 10:18:50,233 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/data/ec97db4cd/1151efc4cea946ddb60e601ef0b7d92a [2022-10-17 10:18:50,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:18:50,238 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:18:50,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:18:50,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:18:50,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:18:50,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:18:50" (1/1) ... [2022-10-17 10:18:50,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1410663d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:18:50, skipping insertion in model container [2022-10-17 10:18:50,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:18:50" (1/1) ... [2022-10-17 10:18:50,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:18:50,287 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:18:50,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:18:50,627 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:18:50,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:18:50,727 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:18:50,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:18:50 WrapperNode [2022-10-17 10:18:50,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:18:50,730 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:18:50,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:18:50,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:18:50,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:18:50" (1/1) ... [2022-10-17 10:18:50,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:18:50" (1/1) ... [2022-10-17 10:18:50,807 INFO L138 Inliner]: procedures = 119, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95 [2022-10-17 10:18:50,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:18:50,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:18:50,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:18:50,808 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:18:50,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:18:50" (1/1) ... [2022-10-17 10:18:50,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:18:50" (1/1) ... [2022-10-17 10:18:50,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:18:50" (1/1) ... [2022-10-17 10:18:50,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:18:50" (1/1) ... [2022-10-17 10:18:50,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:18:50" (1/1) ... [2022-10-17 10:18:50,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:18:50" (1/1) ... [2022-10-17 10:18:50,831 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:18:50" (1/1) ... [2022-10-17 10:18:50,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:18:50" (1/1) ... [2022-10-17 10:18:50,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:18:50,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:18:50,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:18:50,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:18:50,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:18:50" (1/1) ... [2022-10-17 10:18:50,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:18:50,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:18:50,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:18:50,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:18:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:18:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:18:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:18:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:18:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:18:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:18:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:18:50,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:18:51,101 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:18:51,103 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:18:51,375 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:18:51,382 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:18:51,388 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 10:18:51,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:18:51 BoogieIcfgContainer [2022-10-17 10:18:51,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:18:51,392 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:18:51,393 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:18:51,398 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:18:51,398 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:18:51,399 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:18:50" (1/3) ... [2022-10-17 10:18:51,400 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64e57282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:18:51, skipping insertion in model container [2022-10-17 10:18:51,400 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:18:51,400 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:18:50" (2/3) ... [2022-10-17 10:18:51,401 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64e57282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:18:51, skipping insertion in model container [2022-10-17 10:18:51,401 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:18:51,401 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:18:51" (3/3) ... [2022-10-17 10:18:51,403 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cstpncpy-alloca-1.i [2022-10-17 10:18:51,459 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:18:51,460 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:18:51,460 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:18:51,460 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:18:51,460 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:18:51,460 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:18:51,460 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:18:51,460 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:18:51,465 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 19 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:18:51,484 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-10-17 10:18:51,485 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:18:51,485 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:18:51,491 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-10-17 10:18:51,491 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:18:51,491 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:18:51,492 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 19 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:18:51,494 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-10-17 10:18:51,494 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:18:51,494 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:18:51,495 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-10-17 10:18:51,495 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:18:51,502 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~ret17#1.base, main_#t~ret17#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 4#L534true assume !(main_~length~0#1 < 1); 14#L534-2true assume !(main_~n~0#1 < 1); 5#L537-1true call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~n~0#1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length~0#1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 19#L543-3true [2022-10-17 10:18:51,503 INFO L750 eck$LassoCheckResult]: Loop: 19#L543-3true assume !!(main_~i~0#1 < main_~length~0#1 - 1);call write~int(main_#t~nondet16#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1; 15#L543-2true main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 19#L543-3true [2022-10-17 10:18:51,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:18:51,509 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-10-17 10:18:51,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:18:51,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241372049] [2022-10-17 10:18:51,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:18:51,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:18:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:18:51,618 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:18:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:18:51,650 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:18:51,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:18:51,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2022-10-17 10:18:51,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:18:51,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319663211] [2022-10-17 10:18:51,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:18:51,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:18:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:18:51,669 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:18:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:18:51,689 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:18:51,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:18:51,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2022-10-17 10:18:51,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:18:51,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315330667] [2022-10-17 10:18:51,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:18:51,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:18:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:18:51,775 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:18:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:18:51,799 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:18:52,233 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:18:52,234 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:18:52,234 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:18:52,235 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:18:52,235 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:18:52,235 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:18:52,235 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:18:52,235 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:18:52,236 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstpncpy-alloca-1.i_Iteration1_Lasso [2022-10-17 10:18:52,236 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:18:52,236 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:18:52,260 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:18:52,272 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:18:52,275 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:18:52,279 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:18:52,285 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:18:52,288 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:18:52,291 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:18:52,297 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:18:52,301 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:18:52,305 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:18:52,310 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:18:52,553 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:18:52,556 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:18:52,878 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:18:52,882 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:18:52,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:18:52,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:18:52,887 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:18:52,891 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 [2022-10-17 10:18:52,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:18:52,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:18:52,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:18:52,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:18:52,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:18:52,904 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:18:52,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:18:52,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-10-17 10:18:52,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:18:52,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:18:52,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:18:52,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:18:52,956 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:18:52,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-10-17 10:18:52,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:18:52,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:18:52,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:18:52,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:18:52,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:18:52,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:18:52,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:18:52,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:18:52,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:18:53,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-10-17 10:18:53,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:18:53,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:18:53,010 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:18:53,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-10-17 10:18:53,017 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 [2022-10-17 10:18:53,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:18:53,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:18:53,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:18:53,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:18:53,030 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:18:53,030 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:18:53,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:18:53,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-10-17 10:18:53,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:18:53,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:18:53,095 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:18:53,100 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 [2022-10-17 10:18:53,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:18:53,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:18:53,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:18:53,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:18:53,114 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:18:53,114 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:18:53,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-10-17 10:18:53,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:18:53,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-10-17 10:18:53,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:18:53,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:18:53,168 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:18:53,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-10-17 10:18:53,178 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 [2022-10-17 10:18:53,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:18:53,187 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:18:53,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:18:53,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:18:53,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:18:53,188 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:18:53,188 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:18:53,190 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:18:53,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-10-17 10:18:53,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:18:53,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:18:53,229 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:18:53,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-10-17 10:18:53,239 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 [2022-10-17 10:18:53,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:18:53,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:18:53,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:18:53,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:18:53,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:18:53,252 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:18:53,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:18:53,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:18:53,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-10-17 10:18:53,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:18:53,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:18:53,319 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:18:53,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:18:53,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:18:53,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:18:53,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:18:53,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:18:53,342 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:18:53,342 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:18:53,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-10-17 10:18:53,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:18:53,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-10-17 10:18:53,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:18:53,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:18:53,396 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:18:53,403 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:18:53,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:18:53,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:18:53,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:18:53,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:18:53,419 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:18:53,420 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:18:53,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-10-17 10:18:53,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:18:53,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-10-17 10:18:53,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:18:53,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:18:53,478 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:18:53,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:18:53,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-10-17 10:18:53,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:18:53,493 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:18:53,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:18:53,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:18:53,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:18:53,494 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:18:53,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:18:53,514 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:18:53,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-10-17 10:18:53,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:18:53,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:18:53,549 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:18:53,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:18:53,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:18:53,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:18:53,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:18:53,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:18:53,571 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:18:53,571 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:18:53,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-10-17 10:18:53,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:18:53,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-10-17 10:18:53,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:18:53,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:18:53,627 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:18:53,633 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 [2022-10-17 10:18:53,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:18:53,642 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:18:53,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:18:53,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:18:53,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:18:53,645 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:18:53,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:18:53,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-10-17 10:18:53,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:18:53,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-10-17 10:18:53,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:18:53,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:18:53,703 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:18:53,708 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 [2022-10-17 10:18:53,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:18:53,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:18:53,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:18:53,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:18:53,721 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:18:53,722 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:18:53,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-10-17 10:18:53,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:18:53,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-10-17 10:18:53,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:18:53,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:18:53,778 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:18:53,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-10-17 10:18:53,783 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 [2022-10-17 10:18:53,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:18:53,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:18:53,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:18:53,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:18:53,794 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:18:53,794 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:18:53,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:18:53,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-10-17 10:18:53,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:18:53,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:18:53,851 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:18:53,858 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 [2022-10-17 10:18:53,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:18:53,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:18:53,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:18:53,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:18:53,872 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:18:53,872 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:18:53,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-10-17 10:18:53,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:18:53,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-10-17 10:18:53,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:18:53,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:18:53,928 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:18:53,933 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 [2022-10-17 10:18:53,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:18:53,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:18:53,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:18:53,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:18:53,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:18:53,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:18:53,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:18:53,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-10-17 10:18:53,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:18:53,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-10-17 10:18:53,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:18:53,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:18:53,995 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:18:54,001 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 [2022-10-17 10:18:54,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:18:54,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:18:54,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:18:54,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:18:54,018 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:18:54,018 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:18:54,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-10-17 10:18:54,046 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:18:54,074 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-10-17 10:18:54,074 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. [2022-10-17 10:18:54,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:18:54,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:18:54,090 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:18:54,127 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:18:54,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-10-17 10:18:54,159 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-10-17 10:18:54,159 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:18:54,160 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~length~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~length~0#1 Supporting invariants [] [2022-10-17 10:18:54,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-10-17 10:18:54,219 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-10-17 10:18:54,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:18:54,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:18:54,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:18:54,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:18:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:18:54,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:18:54,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:18:54,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:18:54,331 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 [2022-10-17 10:18:54,334 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 20 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 19 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:18:54,385 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 20 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 19 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 70 transitions. Complement of second has 7 states. [2022-10-17 10:18:54,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-10-17 10:18:54,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:18:54,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 47 transitions. [2022-10-17 10:18:54,394 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 5 letters. Loop has 2 letters. [2022-10-17 10:18:54,395 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:18:54,395 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 7 letters. Loop has 2 letters. [2022-10-17 10:18:54,395 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:18:54,395 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 5 letters. Loop has 4 letters. [2022-10-17 10:18:54,396 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:18:54,396 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 70 transitions. [2022-10-17 10:18:54,400 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-10-17 10:18:54,404 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 16 states and 21 transitions. [2022-10-17 10:18:54,405 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-10-17 10:18:54,405 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-10-17 10:18:54,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2022-10-17 10:18:54,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:18:54,406 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-10-17 10:18:54,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2022-10-17 10:18:54,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-10-17 10:18:54,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:18:54,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2022-10-17 10:18:54,432 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-10-17 10:18:54,432 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-10-17 10:18:54,432 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-10-17 10:18:54,432 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2022-10-17 10:18:54,433 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-10-17 10:18:54,433 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:18:54,434 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:18:54,434 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:18:54,434 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-10-17 10:18:54,435 INFO L748 eck$LassoCheckResult]: Stem: 139#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 140#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~ret17#1.base, main_#t~ret17#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 141#L534 assume !(main_~length~0#1 < 1); 142#L534-2 assume !(main_~n~0#1 < 1); 143#L537-1 call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~n~0#1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length~0#1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 144#L543-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 147#L543-4 call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstpncpy } true;cstpncpy_#in~dst#1.base, cstpncpy_#in~dst#1.offset, cstpncpy_#in~src#1.base, cstpncpy_#in~src#1.offset, cstpncpy_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_~n~0#1;havoc cstpncpy_#res#1.base, cstpncpy_#res#1.offset;havoc cstpncpy_#t~mem2#1.base, cstpncpy_#t~mem2#1.offset, cstpncpy_#t~mem3#1.base, cstpncpy_#t~mem3#1.offset, cstpncpy_#t~post5#1.base, cstpncpy_#t~post5#1.offset, cstpncpy_#t~post6#1.base, cstpncpy_#t~post6#1.offset, cstpncpy_#t~mem7#1, cstpncpy_#t~post9#1.base, cstpncpy_#t~post9#1.offset, cstpncpy_#t~pre8#1, cstpncpy_#t~pre4#1, cstpncpy_~d~0#1.base, cstpncpy_~d~0#1.offset, cstpncpy_~s~0#1.base, cstpncpy_~s~0#1.offset, cstpncpy_#t~mem10#1.base, cstpncpy_#t~mem10#1.offset, cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset, cstpncpy_~src#1.base, cstpncpy_~src#1.offset, cstpncpy_~n#1;call cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset := #Ultimate.allocOnStack(4);call write~$Pointer$(cstpncpy_#in~dst#1.base, cstpncpy_#in~dst#1.offset, cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset, 4);cstpncpy_~src#1.base, cstpncpy_~src#1.offset := cstpncpy_#in~src#1.base, cstpncpy_#in~src#1.offset;cstpncpy_~n#1 := cstpncpy_#in~n#1; 148#L516 assume 0 != cstpncpy_~n#1 % 4294967296;call cstpncpy_#t~mem2#1.base, cstpncpy_#t~mem2#1.offset := read~$Pointer$(cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset, 4);cstpncpy_~d~0#1.base, cstpncpy_~d~0#1.offset := cstpncpy_#t~mem2#1.base, cstpncpy_#t~mem2#1.offset;havoc cstpncpy_#t~mem2#1.base, cstpncpy_#t~mem2#1.offset;cstpncpy_~s~0#1.base, cstpncpy_~s~0#1.offset := cstpncpy_~src#1.base, cstpncpy_~src#1.offset;call cstpncpy_#t~mem3#1.base, cstpncpy_#t~mem3#1.offset := read~$Pointer$(cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset, 4);call write~$Pointer$(cstpncpy_#t~mem3#1.base, cstpncpy_#t~mem3#1.offset + (if cstpncpy_~n#1 % 4294967296 % 4294967296 <= 2147483647 then cstpncpy_~n#1 % 4294967296 % 4294967296 else cstpncpy_~n#1 % 4294967296 % 4294967296 - 4294967296), cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset, 4);havoc cstpncpy_#t~mem3#1.base, cstpncpy_#t~mem3#1.offset; 145#L520-4 [2022-10-17 10:18:54,435 INFO L750 eck$LassoCheckResult]: Loop: 145#L520-4 cstpncpy_#t~post5#1.base, cstpncpy_#t~post5#1.offset := cstpncpy_~d~0#1.base, cstpncpy_~d~0#1.offset;cstpncpy_~d~0#1.base, cstpncpy_~d~0#1.offset := cstpncpy_#t~post5#1.base, 1 + cstpncpy_#t~post5#1.offset;cstpncpy_#t~post6#1.base, cstpncpy_#t~post6#1.offset := cstpncpy_~s~0#1.base, cstpncpy_~s~0#1.offset;cstpncpy_~s~0#1.base, cstpncpy_~s~0#1.offset := cstpncpy_#t~post6#1.base, 1 + cstpncpy_#t~post6#1.offset;call cstpncpy_#t~mem7#1 := read~int(cstpncpy_#t~post6#1.base, cstpncpy_#t~post6#1.offset, 1);call write~int(cstpncpy_#t~mem7#1, cstpncpy_#t~post5#1.base, cstpncpy_#t~post5#1.offset, 1); 146#L521 assume !(0 == cstpncpy_#t~mem7#1);havoc cstpncpy_#t~post5#1.base, cstpncpy_#t~post5#1.offset;havoc cstpncpy_#t~post6#1.base, cstpncpy_#t~post6#1.offset;havoc cstpncpy_#t~mem7#1; 150#L520-1 cstpncpy_#t~pre4#1 := cstpncpy_~n#1 - 1;cstpncpy_~n#1 := cstpncpy_~n#1 - 1; 149#L520-2 assume !!(0 != cstpncpy_#t~pre4#1 % 4294967296);havoc cstpncpy_#t~pre4#1; 145#L520-4 [2022-10-17 10:18:54,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:18:54,436 INFO L85 PathProgramCache]: Analyzing trace with hash 180430706, now seen corresponding path program 1 times [2022-10-17 10:18:54,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:18:54,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246191064] [2022-10-17 10:18:54,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:18:54,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:18:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:18:54,480 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:18:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:18:54,516 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:18:54,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:18:54,517 INFO L85 PathProgramCache]: Analyzing trace with hash 2049688, now seen corresponding path program 1 times [2022-10-17 10:18:54,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:18:54,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454301876] [2022-10-17 10:18:54,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:18:54,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:18:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:18:54,543 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:18:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:18:54,573 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:18:54,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:18:54,581 INFO L85 PathProgramCache]: Analyzing trace with hash -299020919, now seen corresponding path program 1 times [2022-10-17 10:18:54,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:18:54,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757124629] [2022-10-17 10:18:54,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:18:54,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:18:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:18:54,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-10-17 10:18:55,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:18:55,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:18:55,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757124629] [2022-10-17 10:18:55,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757124629] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:18:55,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:18:55,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-17 10:18:55,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766128123] [2022-10-17 10:18:55,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:18:55,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:18:55,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-17 10:18:55,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-10-17 10:18:55,560 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand has 8 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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) [2022-10-17 10:18:55,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:18:55,699 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2022-10-17 10:18:55,699 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 28 transitions. [2022-10-17 10:18:55,700 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-10-17 10:18:55,700 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 28 transitions. [2022-10-17 10:18:55,701 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2022-10-17 10:18:55,701 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-10-17 10:18:55,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 28 transitions. [2022-10-17 10:18:55,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:18:55,701 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 28 transitions. [2022-10-17 10:18:55,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 28 transitions. [2022-10-17 10:18:55,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 20. [2022-10-17 10:18:55,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 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) [2022-10-17 10:18:55,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2022-10-17 10:18:55,704 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-10-17 10:18:55,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-17 10:18:55,707 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-10-17 10:18:55,707 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-10-17 10:18:55,707 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2022-10-17 10:18:55,712 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-10-17 10:18:55,712 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:18:55,712 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:18:55,713 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:18:55,713 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:18:55,713 INFO L748 eck$LassoCheckResult]: Stem: 197#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 198#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~ret17#1.base, main_#t~ret17#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 199#L534 assume !(main_~length~0#1 < 1); 200#L534-2 assume !(main_~n~0#1 < 1); 201#L537-1 call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~n~0#1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length~0#1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 202#L543-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 214#L543-4 call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstpncpy } true;cstpncpy_#in~dst#1.base, cstpncpy_#in~dst#1.offset, cstpncpy_#in~src#1.base, cstpncpy_#in~src#1.offset, cstpncpy_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_~n~0#1;havoc cstpncpy_#res#1.base, cstpncpy_#res#1.offset;havoc cstpncpy_#t~mem2#1.base, cstpncpy_#t~mem2#1.offset, cstpncpy_#t~mem3#1.base, cstpncpy_#t~mem3#1.offset, cstpncpy_#t~post5#1.base, cstpncpy_#t~post5#1.offset, cstpncpy_#t~post6#1.base, cstpncpy_#t~post6#1.offset, cstpncpy_#t~mem7#1, cstpncpy_#t~post9#1.base, cstpncpy_#t~post9#1.offset, cstpncpy_#t~pre8#1, cstpncpy_#t~pre4#1, cstpncpy_~d~0#1.base, cstpncpy_~d~0#1.offset, cstpncpy_~s~0#1.base, cstpncpy_~s~0#1.offset, cstpncpy_#t~mem10#1.base, cstpncpy_#t~mem10#1.offset, cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset, cstpncpy_~src#1.base, cstpncpy_~src#1.offset, cstpncpy_~n#1;call cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset := #Ultimate.allocOnStack(4);call write~$Pointer$(cstpncpy_#in~dst#1.base, cstpncpy_#in~dst#1.offset, cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset, 4);cstpncpy_~src#1.base, cstpncpy_~src#1.offset := cstpncpy_#in~src#1.base, cstpncpy_#in~src#1.offset;cstpncpy_~n#1 := cstpncpy_#in~n#1; 216#L516 assume 0 != cstpncpy_~n#1 % 4294967296;call cstpncpy_#t~mem2#1.base, cstpncpy_#t~mem2#1.offset := read~$Pointer$(cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset, 4);cstpncpy_~d~0#1.base, cstpncpy_~d~0#1.offset := cstpncpy_#t~mem2#1.base, cstpncpy_#t~mem2#1.offset;havoc cstpncpy_#t~mem2#1.base, cstpncpy_#t~mem2#1.offset;cstpncpy_~s~0#1.base, cstpncpy_~s~0#1.offset := cstpncpy_~src#1.base, cstpncpy_~src#1.offset;call cstpncpy_#t~mem3#1.base, cstpncpy_#t~mem3#1.offset := read~$Pointer$(cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset, 4);call write~$Pointer$(cstpncpy_#t~mem3#1.base, cstpncpy_#t~mem3#1.offset + (if cstpncpy_~n#1 % 4294967296 % 4294967296 <= 2147483647 then cstpncpy_~n#1 % 4294967296 % 4294967296 else cstpncpy_~n#1 % 4294967296 % 4294967296 - 4294967296), cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset, 4);havoc cstpncpy_#t~mem3#1.base, cstpncpy_#t~mem3#1.offset; 203#L520-4 cstpncpy_#t~post5#1.base, cstpncpy_#t~post5#1.offset := cstpncpy_~d~0#1.base, cstpncpy_~d~0#1.offset;cstpncpy_~d~0#1.base, cstpncpy_~d~0#1.offset := cstpncpy_#t~post5#1.base, 1 + cstpncpy_#t~post5#1.offset;cstpncpy_#t~post6#1.base, cstpncpy_#t~post6#1.offset := cstpncpy_~s~0#1.base, cstpncpy_~s~0#1.offset;cstpncpy_~s~0#1.base, cstpncpy_~s~0#1.offset := cstpncpy_#t~post6#1.base, 1 + cstpncpy_#t~post6#1.offset;call cstpncpy_#t~mem7#1 := read~int(cstpncpy_#t~post6#1.base, cstpncpy_#t~post6#1.offset, 1);call write~int(cstpncpy_#t~mem7#1, cstpncpy_#t~post5#1.base, cstpncpy_#t~post5#1.offset, 1); 204#L521 assume 0 == cstpncpy_#t~mem7#1;havoc cstpncpy_#t~post5#1.base, cstpncpy_#t~post5#1.offset;havoc cstpncpy_#t~post6#1.base, cstpncpy_#t~post6#1.offset;havoc cstpncpy_#t~mem7#1;call write~$Pointer$(cstpncpy_~d~0#1.base, cstpncpy_~d~0#1.offset - 1, cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset, 4); 209#L523-3 [2022-10-17 10:18:55,713 INFO L750 eck$LassoCheckResult]: Loop: 209#L523-3 cstpncpy_#t~pre8#1 := cstpncpy_~n#1 - 1;cstpncpy_~n#1 := cstpncpy_~n#1 - 1; 210#L523-1 assume !!(0 != cstpncpy_#t~pre8#1 % 4294967296);havoc cstpncpy_#t~pre8#1;cstpncpy_#t~post9#1.base, cstpncpy_#t~post9#1.offset := cstpncpy_~d~0#1.base, cstpncpy_~d~0#1.offset;cstpncpy_~d~0#1.base, cstpncpy_~d~0#1.offset := cstpncpy_#t~post9#1.base, 1 + cstpncpy_#t~post9#1.offset;call write~int(0, cstpncpy_#t~post9#1.base, cstpncpy_#t~post9#1.offset, 1);havoc cstpncpy_#t~post9#1.base, cstpncpy_#t~post9#1.offset; 209#L523-3 [2022-10-17 10:18:55,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:18:55,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1595217781, now seen corresponding path program 1 times [2022-10-17 10:18:55,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:18:55,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986055897] [2022-10-17 10:18:55,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:18:55,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:18:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:18:55,785 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:18:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:18:55,840 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:18:55,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:18:55,840 INFO L85 PathProgramCache]: Analyzing trace with hash 2374, now seen corresponding path program 1 times [2022-10-17 10:18:55,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:18:55,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022019521] [2022-10-17 10:18:55,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:18:55,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:18:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:18:55,847 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:18:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:18:55,852 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:18:55,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:18:55,853 INFO L85 PathProgramCache]: Analyzing trace with hash -299035718, now seen corresponding path program 1 times [2022-10-17 10:18:55,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:18:55,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669548078] [2022-10-17 10:18:55,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:18:55,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:18:55,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:18:55,889 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:18:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:18:55,921 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:19:03,829 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:19:03,830 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:19:03,830 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:19:03,830 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:19:03,830 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:19:03,830 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:03,830 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:19:03,830 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:19:03,830 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstpncpy-alloca-1.i_Iteration3_Lasso [2022-10-17 10:19:03,830 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:19:03,830 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:19:03,838 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,841 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,843 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,845 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,847 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,849 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,851 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,852 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,855 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,856 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,858 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,860 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,862 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,865 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:05,767 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:05,769 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:05,771 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:05,773 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:05,775 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:05,779 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:05,781 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:05,783 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:05,785 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:05,788 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:05,790 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:05,792 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:05,794 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:05,796 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:05,798 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:05,804 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:07,294 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:19:07,304 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:19:07,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:07,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:19:07,305 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:19:07,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-10-17 10:19:07,308 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 [2022-10-17 10:19:07,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:19:07,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:19:07,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:19:07,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:19:07,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:19:07,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:19:07,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:19:07,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:19:07,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-10-17 10:19:07,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:07,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:19:07,340 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:19:07,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-10-17 10:19:07,346 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 [2022-10-17 10:19:07,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:19:07,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:19:07,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:19:07,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:19:07,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:19:07,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:19:07,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:19:07,365 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:19:07,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-10-17 10:19:07,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:07,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:19:07,388 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:19:07,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-10-17 10:19:07,392 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 [2022-10-17 10:19:07,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:19:07,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:19:07,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:19:07,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:19:07,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:19:07,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:19:07,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:19:07,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:19:07,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-10-17 10:19:07,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:07,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:19:07,421 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:19:07,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-10-17 10:19:07,424 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 [2022-10-17 10:19:07,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:19:07,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:19:07,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:19:07,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:19:07,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:19:07,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:19:07,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:19:07,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:19:07,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-10-17 10:19:07,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:07,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:19:07,452 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:19:07,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-10-17 10:19:07,454 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 [2022-10-17 10:19:07,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:19:07,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:19:07,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:19:07,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:19:07,465 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:19:07,465 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:19:07,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:19:07,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-10-17 10:19:07,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:07,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:19:07,527 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:19:07,530 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 [2022-10-17 10:19:07,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:19:07,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:19:07,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:19:07,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:19:07,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:19:07,540 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:19:07,540 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:19:07,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-10-17 10:19:07,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:19:07,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-10-17 10:19:07,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:07,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:19:07,565 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:19:07,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-10-17 10:19:07,567 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 [2022-10-17 10:19:07,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:19:07,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:19:07,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:19:07,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:19:07,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:19:07,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:19:07,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:19:07,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:19:07,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-10-17 10:19:07,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:07,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:19:07,596 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:19:07,597 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 [2022-10-17 10:19:07,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-10-17 10:19:07,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:19:07,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:19:07,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:19:07,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:19:07,605 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:19:07,605 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:19:07,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:19:07,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-10-17 10:19:07,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:07,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:19:07,628 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:19:07,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-10-17 10:19:07,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:19:07,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:19:07,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:19:07,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:19:07,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:19:07,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:19:07,637 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:19:07,637 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:19:07,638 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:19:07,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-10-17 10:19:07,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:07,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:19:07,658 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:19:07,660 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 [2022-10-17 10:19:07,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:19:07,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:19:07,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:19:07,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:19:07,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:19:07,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-10-17 10:19:07,669 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:19:07,670 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:19:07,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:19:07,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-10-17 10:19:07,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:07,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:19:07,690 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:19:07,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-10-17 10:19:07,693 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 [2022-10-17 10:19:07,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:19:07,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:19:07,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:19:07,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:19:07,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:19:07,701 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:19:07,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:19:07,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:19:07,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-10-17 10:19:07,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:07,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:19:07,722 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:19:07,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-10-17 10:19:07,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:19:07,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:19:07,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:19:07,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:19:07,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:19:07,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:19:07,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:19:07,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:19:07,738 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:19:07,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-10-17 10:19:07,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:07,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:19:07,759 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:19:07,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-10-17 10:19:07,761 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:19:07,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:19:07,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:19:07,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:19:07,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:19:07,769 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:19:07,769 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:19:07,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:19:07,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-10-17 10:19:07,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:07,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:19:07,795 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:19:07,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-10-17 10:19:07,796 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 [2022-10-17 10:19:07,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:19:07,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:19:07,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:19:07,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:19:07,806 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:19:07,806 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:19:07,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:19:07,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-10-17 10:19:07,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:07,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:19:07,831 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:19:07,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:19:07,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-10-17 10:19:07,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:19:07,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:19:07,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:19:07,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:19:07,841 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:19:07,841 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:19:07,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:19:07,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-10-17 10:19:07,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:07,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:19:07,864 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:19:07,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-10-17 10:19:07,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:19:07,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:19:07,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:19:07,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:19:07,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:19:07,881 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:19:07,881 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:19:07,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:19:07,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-10-17 10:19:07,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:07,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:19:07,917 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:19:07,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-10-17 10:19:07,921 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 [2022-10-17 10:19:07,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:19:07,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:19:07,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:19:07,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:19:07,930 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:19:07,930 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:19:07,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:19:07,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-10-17 10:19:07,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:07,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:19:07,953 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:19:07,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-10-17 10:19:07,955 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 [2022-10-17 10:19:07,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:19:07,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:19:07,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:19:07,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:19:07,965 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:19:07,965 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:19:07,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:19:07,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-10-17 10:19:07,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:07,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:19:07,990 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:19:07,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-10-17 10:19:07,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:19:07,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:19:07,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:19:07,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:19:07,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:19:07,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:19:07,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:19:07,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:19:08,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:19:08,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-10-17 10:19:08,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:08,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:19:08,056 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:19:08,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-10-17 10:19:08,059 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 [2022-10-17 10:19:08,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:19:08,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:19:08,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:19:08,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:19:08,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:19:08,067 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:19:08,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:19:08,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:19:08,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-10-17 10:19:08,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:08,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:19:08,108 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:19:08,110 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 [2022-10-17 10:19:08,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-10-17 10:19:08,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:19:08,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:19:08,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:19:08,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:19:08,119 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:19:08,119 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:19:08,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:19:08,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-10-17 10:19:08,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:08,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:19:08,186 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:19:08,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-10-17 10:19:08,187 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 [2022-10-17 10:19:08,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:19:08,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:19:08,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:19:08,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:19:08,195 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:19:08,195 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:19:08,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:19:08,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-10-17 10:19:08,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:08,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:19:08,226 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:19:08,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-10-17 10:19:08,228 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 [2022-10-17 10:19:08,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:19:08,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:19:08,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:19:08,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:19:08,236 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:19:08,236 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:19:08,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:19:08,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-10-17 10:19:08,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:08,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:19:08,273 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:19:08,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-10-17 10:19:08,274 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 [2022-10-17 10:19:08,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:19:08,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:19:08,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:19:08,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:19:08,293 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:19:08,294 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:19:08,305 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:19:08,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-10-17 10:19:08,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:08,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:19:08,326 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:19:08,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-10-17 10:19:08,327 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 [2022-10-17 10:19:08,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:19:08,335 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-10-17 10:19:08,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:19:08,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:19:08,359 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-10-17 10:19:08,359 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:19:08,411 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:19:08,510 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2022-10-17 10:19:08,511 INFO L444 ModelExtractionUtils]: 35 out of 64 variables were initially zero. Simplification set additionally 26 variables to zero. [2022-10-17 10:19:08,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:08,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:19:08,526 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:19:08,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-10-17 10:19:08,562 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:19:08,587 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-10-17 10:19:08,587 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:19:08,587 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstpncpy_~d~0#1.base)_1, ULTIMATE.start_cstpncpy_~d~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_cstpncpy_~d~0#1.base)_1 - 1*ULTIMATE.start_cstpncpy_~d~0#1.offset Supporting invariants [] [2022-10-17 10:19:08,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-10-17 10:19:08,762 INFO L156 tatePredicateManager]: 21 out of 21 supporting invariants were superfluous and have been removed [2022-10-17 10:19:08,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:19:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:19:08,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:19:08,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:19:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:19:08,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 10:19:08,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:19:08,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:19:08,901 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-10-17 10:19:08,901 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-10-17 10:19:08,911 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 25 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 22 states and 28 transitions. Complement of second has 4 states. [2022-10-17 10:19:08,912 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 [2022-10-17 10:19:08,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-10-17 10:19:08,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2022-10-17 10:19:08,914 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 10 letters. Loop has 2 letters. [2022-10-17 10:19:08,914 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:19:08,914 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 12 letters. Loop has 2 letters. [2022-10-17 10:19:08,915 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:19:08,915 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 10 letters. Loop has 4 letters. [2022-10-17 10:19:08,915 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:19:08,915 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 28 transitions. [2022-10-17 10:19:08,917 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-10-17 10:19:08,918 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 14 states and 17 transitions. [2022-10-17 10:19:08,918 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-10-17 10:19:08,918 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-10-17 10:19:08,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2022-10-17 10:19:08,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:19:08,919 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-10-17 10:19:08,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2022-10-17 10:19:08,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-10-17 10:19:08,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 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) [2022-10-17 10:19:08,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2022-10-17 10:19:08,922 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-10-17 10:19:08,922 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-10-17 10:19:08,922 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-10-17 10:19:08,922 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2022-10-17 10:19:08,924 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-10-17 10:19:08,924 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:19:08,924 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:19:08,924 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:19:08,924 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-10-17 10:19:08,925 INFO L748 eck$LassoCheckResult]: Stem: 377#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 378#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~ret17#1.base, main_#t~ret17#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 379#L534 assume !(main_~length~0#1 < 1); 380#L534-2 assume !(main_~n~0#1 < 1); 381#L537-1 call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~n~0#1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length~0#1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 382#L543-3 assume !!(main_~i~0#1 < main_~length~0#1 - 1);call write~int(main_#t~nondet16#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1; 389#L543-2 main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 390#L543-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 385#L543-4 call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstpncpy } true;cstpncpy_#in~dst#1.base, cstpncpy_#in~dst#1.offset, cstpncpy_#in~src#1.base, cstpncpy_#in~src#1.offset, cstpncpy_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_~n~0#1;havoc cstpncpy_#res#1.base, cstpncpy_#res#1.offset;havoc cstpncpy_#t~mem2#1.base, cstpncpy_#t~mem2#1.offset, cstpncpy_#t~mem3#1.base, cstpncpy_#t~mem3#1.offset, cstpncpy_#t~post5#1.base, cstpncpy_#t~post5#1.offset, cstpncpy_#t~post6#1.base, cstpncpy_#t~post6#1.offset, cstpncpy_#t~mem7#1, cstpncpy_#t~post9#1.base, cstpncpy_#t~post9#1.offset, cstpncpy_#t~pre8#1, cstpncpy_#t~pre4#1, cstpncpy_~d~0#1.base, cstpncpy_~d~0#1.offset, cstpncpy_~s~0#1.base, cstpncpy_~s~0#1.offset, cstpncpy_#t~mem10#1.base, cstpncpy_#t~mem10#1.offset, cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset, cstpncpy_~src#1.base, cstpncpy_~src#1.offset, cstpncpy_~n#1;call cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset := #Ultimate.allocOnStack(4);call write~$Pointer$(cstpncpy_#in~dst#1.base, cstpncpy_#in~dst#1.offset, cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset, 4);cstpncpy_~src#1.base, cstpncpy_~src#1.offset := cstpncpy_#in~src#1.base, cstpncpy_#in~src#1.offset;cstpncpy_~n#1 := cstpncpy_#in~n#1; 386#L516 assume 0 != cstpncpy_~n#1 % 4294967296;call cstpncpy_#t~mem2#1.base, cstpncpy_#t~mem2#1.offset := read~$Pointer$(cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset, 4);cstpncpy_~d~0#1.base, cstpncpy_~d~0#1.offset := cstpncpy_#t~mem2#1.base, cstpncpy_#t~mem2#1.offset;havoc cstpncpy_#t~mem2#1.base, cstpncpy_#t~mem2#1.offset;cstpncpy_~s~0#1.base, cstpncpy_~s~0#1.offset := cstpncpy_~src#1.base, cstpncpy_~src#1.offset;call cstpncpy_#t~mem3#1.base, cstpncpy_#t~mem3#1.offset := read~$Pointer$(cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset, 4);call write~$Pointer$(cstpncpy_#t~mem3#1.base, cstpncpy_#t~mem3#1.offset + (if cstpncpy_~n#1 % 4294967296 % 4294967296 <= 2147483647 then cstpncpy_~n#1 % 4294967296 % 4294967296 else cstpncpy_~n#1 % 4294967296 % 4294967296 - 4294967296), cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset, 4);havoc cstpncpy_#t~mem3#1.base, cstpncpy_#t~mem3#1.offset; 383#L520-4 [2022-10-17 10:19:08,925 INFO L750 eck$LassoCheckResult]: Loop: 383#L520-4 cstpncpy_#t~post5#1.base, cstpncpy_#t~post5#1.offset := cstpncpy_~d~0#1.base, cstpncpy_~d~0#1.offset;cstpncpy_~d~0#1.base, cstpncpy_~d~0#1.offset := cstpncpy_#t~post5#1.base, 1 + cstpncpy_#t~post5#1.offset;cstpncpy_#t~post6#1.base, cstpncpy_#t~post6#1.offset := cstpncpy_~s~0#1.base, cstpncpy_~s~0#1.offset;cstpncpy_~s~0#1.base, cstpncpy_~s~0#1.offset := cstpncpy_#t~post6#1.base, 1 + cstpncpy_#t~post6#1.offset;call cstpncpy_#t~mem7#1 := read~int(cstpncpy_#t~post6#1.base, cstpncpy_#t~post6#1.offset, 1);call write~int(cstpncpy_#t~mem7#1, cstpncpy_#t~post5#1.base, cstpncpy_#t~post5#1.offset, 1); 384#L521 assume !(0 == cstpncpy_#t~mem7#1);havoc cstpncpy_#t~post5#1.base, cstpncpy_#t~post5#1.offset;havoc cstpncpy_#t~post6#1.base, cstpncpy_#t~post6#1.offset;havoc cstpncpy_#t~mem7#1; 388#L520-1 cstpncpy_#t~pre4#1 := cstpncpy_~n#1 - 1;cstpncpy_~n#1 := cstpncpy_~n#1 - 1; 387#L520-2 assume !!(0 != cstpncpy_#t~pre4#1 % 4294967296);havoc cstpncpy_#t~pre4#1; 383#L520-4 [2022-10-17 10:19:08,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:19:08,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1596934864, now seen corresponding path program 1 times [2022-10-17 10:19:08,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:19:08,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189447994] [2022-10-17 10:19:08,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:19:08,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:19:08,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-10-17 10:19:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:19:08,964 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:19:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:19:08,989 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:19:08,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:19:08,989 INFO L85 PathProgramCache]: Analyzing trace with hash 2049688, now seen corresponding path program 2 times [2022-10-17 10:19:08,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:19:08,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035179740] [2022-10-17 10:19:08,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:19:08,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:19:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:19:09,001 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:19:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:19:09,007 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:19:09,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:19:09,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1308529127, now seen corresponding path program 1 times [2022-10-17 10:19:09,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:19:09,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318590457] [2022-10-17 10:19:09,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:19:09,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:19:09,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:19:09,063 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:19:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:19:09,092 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:19:13,559 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:19:13,559 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:19:13,559 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:19:13,559 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:19:13,559 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:19:13,559 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:13,559 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:19:13,559 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:19:13,560 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstpncpy-alloca-1.i_Iteration4_Lasso [2022-10-17 10:19:13,560 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:19:13,560 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:19:13,567 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:13,574 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:15,039 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:15,041 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:15,043 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:15,045 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:15,046 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:15,048 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:15,050 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:15,052 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:15,054 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:15,056 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:15,058 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:15,067 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:15,068 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:15,070 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:15,072 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:15,074 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:15,076 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:15,077 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:15,079 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:15,084 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:15,085 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:15,087 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:15,089 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:15,090 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:15,092 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:15,094 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:15,113 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:15,118 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:15,131 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:15,975 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-10-17 10:19:17,030 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:19:17,030 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:19:17,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:17,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:19:17,039 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:19:17,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-10-17 10:19:17,041 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 [2022-10-17 10:19:17,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:19:17,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:19:17,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:19:17,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:19:17,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:19:17,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:19:17,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:19:17,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:19:17,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-10-17 10:19:17,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:17,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:19:17,072 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:19:17,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-10-17 10:19:17,074 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 [2022-10-17 10:19:17,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:19:17,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:19:17,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:19:17,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:19:17,082 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:19:17,082 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:19:17,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:19:17,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-10-17 10:19:17,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:17,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:19:17,105 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:19:17,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-10-17 10:19:17,110 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 [2022-10-17 10:19:17,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:19:17,118 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-10-17 10:19:17,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:19:17,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:19:17,152 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-10-17 10:19:17,153 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:19:17,242 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:19:17,331 INFO L443 ModelExtractionUtils]: Simplification made 22 calls to the SMT solver. [2022-10-17 10:19:17,331 INFO L444 ModelExtractionUtils]: 29 out of 70 variables were initially zero. Simplification set additionally 38 variables to zero. [2022-10-17 10:19:17,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:17,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:19:17,334 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:19:17,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-10-17 10:19:17,336 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:19:17,344 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-10-17 10:19:17,344 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:19:17,344 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstpncpy_~s~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc14#1.base)_3) = -1*ULTIMATE.start_cstpncpy_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc14#1.base)_3 Supporting invariants [] [2022-10-17 10:19:17,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-10-17 10:19:17,486 INFO L156 tatePredicateManager]: 22 out of 24 supporting invariants were superfluous and have been removed [2022-10-17 10:19:17,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:19:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:19:17,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 10:19:17,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:19:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:19:17,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 10:19:17,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:19:17,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:19:17,666 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-10-17 10:19:17,667 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:19:17,716 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 18 states and 21 transitions. Complement of second has 6 states. [2022-10-17 10:19:17,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2022-10-17 10:19:17,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:19:17,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2022-10-17 10:19:17,718 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 10 letters. Loop has 4 letters. [2022-10-17 10:19:17,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:19:17,718 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 14 letters. Loop has 4 letters. [2022-10-17 10:19:17,719 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:19:17,719 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 10 letters. Loop has 8 letters. [2022-10-17 10:19:17,719 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:19:17,719 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2022-10-17 10:19:17,720 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-10-17 10:19:17,720 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2022-10-17 10:19:17,720 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-10-17 10:19:17,720 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-10-17 10:19:17,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-10-17 10:19:17,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:19:17,721 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:19:17,721 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:19:17,721 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:19:17,721 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-10-17 10:19:17,721 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-10-17 10:19:17,722 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-10-17 10:19:17,722 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-10-17 10:19:17,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.10 10:19:17 BoogieIcfgContainer [2022-10-17 10:19:17,729 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-10-17 10:19:17,729 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:19:17,729 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:19:17,730 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:19:17,730 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:18:51" (3/4) ... [2022-10-17 10:19:17,733 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-10-17 10:19:17,733 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:19:17,734 INFO L158 Benchmark]: Toolchain (without parser) took 27495.93ms. Allocated memory was 111.1MB in the beginning and 174.1MB in the end (delta: 62.9MB). Free memory was 69.4MB in the beginning and 95.6MB in the end (delta: -26.2MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2022-10-17 10:19:17,734 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 111.1MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:19:17,734 INFO L158 Benchmark]: CACSL2BoogieTranslator took 489.71ms. Allocated memory is still 111.1MB. Free memory was 69.2MB in the beginning and 77.2MB in the end (delta: -8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 10:19:17,735 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.05ms. Allocated memory is still 111.1MB. Free memory was 77.2MB in the beginning and 74.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:19:17,735 INFO L158 Benchmark]: Boogie Preprocessor took 28.09ms. Allocated memory is still 111.1MB. Free memory was 74.9MB in the beginning and 73.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:19:17,735 INFO L158 Benchmark]: RCFGBuilder took 554.51ms. Allocated memory is still 111.1MB. Free memory was 73.3MB in the beginning and 58.8MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 10:19:17,736 INFO L158 Benchmark]: BuchiAutomizer took 26336.85ms. Allocated memory was 111.1MB in the beginning and 174.1MB in the end (delta: 62.9MB). Free memory was 58.8MB in the beginning and 95.6MB in the end (delta: -36.8MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2022-10-17 10:19:17,736 INFO L158 Benchmark]: Witness Printer took 3.77ms. Allocated memory is still 174.1MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:19:17,738 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 111.1MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 489.71ms. Allocated memory is still 111.1MB. Free memory was 69.2MB in the beginning and 77.2MB in the end (delta: -8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.05ms. Allocated memory is still 111.1MB. Free memory was 77.2MB in the beginning and 74.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.09ms. Allocated memory is still 111.1MB. Free memory was 74.9MB in the beginning and 73.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 554.51ms. Allocated memory is still 111.1MB. Free memory was 73.3MB in the beginning and 58.8MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 26336.85ms. Allocated memory was 111.1MB in the beginning and 174.1MB in the end (delta: 62.9MB). Free memory was 58.8MB in the beginning and 95.6MB in the end (delta: -36.8MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. * Witness Printer took 3.77ms. Allocated memory is still 174.1MB. Free memory is still 95.6MB. 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 4 terminating modules (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + length and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[d] + -1 * d and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length * sizeof(char))] + -1 * s and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 26.2s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 25.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 83 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 81 mSDsluCounter, 158 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 96 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 62 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital545 mio100 ax105 hnf100 lsp109 ukn46 mio100 lsp59 div122 bol100 ite100 ukn100 eq172 hnf92 smp86 dnf172 smp75 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 262ms VariablesStem: 26 VariablesLoop: 19 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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! [2022-10-17 10:19:17,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-10-17 10:19:17,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cae51c1-269c-4b68-9cbe-d6be1d451202/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE