./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU --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 970cab0a23b690f163a0a51afef8881644c6447187bc11bbe1f60a2a40cf01a7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:22:48,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:22:48,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:22:48,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:22:48,822 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:22:48,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:22:48,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:22:48,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:22:48,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:22:48,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:22:48,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:22:48,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:22:48,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:22:48,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:22:48,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:22:48,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:22:48,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:22:48,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:22:48,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:22:48,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:22:48,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:22:48,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:22:48,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:22:48,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:22:48,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:22:48,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:22:48,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:22:48,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:22:48,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:22:48,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:22:48,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:22:48,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:22:48,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:22:48,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:22:48,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:22:48,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:22:48,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:22:48,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:22:48,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:22:48,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:22:48,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:22:48,895 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-02 22:22:48,939 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:22:48,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:22:48,942 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:22:48,943 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:22:48,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:22:48,944 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:22:48,944 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:22:48,945 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-02 22:22:48,945 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-02 22:22:48,945 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-02 22:22:48,946 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-02 22:22:48,946 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-02 22:22:48,947 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-02 22:22:48,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:22:48,947 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:22:48,947 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-02 22:22:48,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:22:48,948 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:22:48,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:22:48,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-02 22:22:48,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-02 22:22:48,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-02 22:22:48,949 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:22:48,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:22:48,949 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-02 22:22:48,949 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:22:48,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-02 22:22:48,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:22:48,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:22:48,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:22:48,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:22:48,952 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:22:48,954 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-02 22:22:48,954 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_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 970cab0a23b690f163a0a51afef8881644c6447187bc11bbe1f60a2a40cf01a7 [2021-11-02 22:22:49,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:22:49,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:22:49,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:22:49,245 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:22:49,246 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:22:49,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2021-11-02 22:22:49,308 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/data/38e9214ed/db8b26e74f5c49d6b9c663044d2445f0/FLAG21daf4fe4 [2021-11-02 22:22:49,784 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:22:49,784 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2021-11-02 22:22:49,792 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/data/38e9214ed/db8b26e74f5c49d6b9c663044d2445f0/FLAG21daf4fe4 [2021-11-02 22:22:50,153 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/data/38e9214ed/db8b26e74f5c49d6b9c663044d2445f0 [2021-11-02 22:22:50,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:22:50,157 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:22:50,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:22:50,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:22:50,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:22:50,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:22:50" (1/1) ... [2021-11-02 22:22:50,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e6b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:50, skipping insertion in model container [2021-11-02 22:22:50,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:22:50" (1/1) ... [2021-11-02 22:22:50,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:22:50,203 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:22:50,375 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i[878,891] [2021-11-02 22:22:50,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:22:50,430 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:22:50,442 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i[878,891] [2021-11-02 22:22:50,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:22:50,476 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:22:50,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:50 WrapperNode [2021-11-02 22:22:50,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:22:50,478 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:22:50,478 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:22:50,478 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:22:50,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:50" (1/1) ... [2021-11-02 22:22:50,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:50" (1/1) ... [2021-11-02 22:22:50,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:22:50,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:22:50,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:22:50,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:22:50,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:50" (1/1) ... [2021-11-02 22:22:50,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:50" (1/1) ... [2021-11-02 22:22:50,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:50" (1/1) ... [2021-11-02 22:22:50,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:50" (1/1) ... [2021-11-02 22:22:50,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:50" (1/1) ... [2021-11-02 22:22:50,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:50" (1/1) ... [2021-11-02 22:22:50,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:50" (1/1) ... [2021-11-02 22:22:50,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:22:50,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:22:50,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:22:50,587 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:22:50,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:50" (1/1) ... [2021-11-02 22:22:50,606 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:22:50,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:22:50,629 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:22:50,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-02 22:22:50,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:22:50,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 22:22:50,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 22:22:50,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 22:22:50,684 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-02 22:22:50,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:22:50,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:22:50,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 22:22:50,979 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:22:50,980 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-11-02 22:22:50,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:22:50 BoogieIcfgContainer [2021-11-02 22:22:50,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:22:50,983 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-02 22:22:50,983 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-02 22:22:50,987 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-02 22:22:50,987 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:22:50,988 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 10:22:50" (1/3) ... [2021-11-02 22:22:50,990 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d568cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 10:22:50, skipping insertion in model container [2021-11-02 22:22:50,990 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:22:50,990 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:22:50" (2/3) ... [2021-11-02 22:22:50,991 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d568cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 10:22:50, skipping insertion in model container [2021-11-02 22:22:50,991 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:22:50,991 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:22:50" (3/3) ... [2021-11-02 22:22:50,992 INFO L389 chiAutomizerObserver]: Analyzing ICFG veris.c_OpenSER_cases1_stripFullBoth_arr.i [2021-11-02 22:22:51,064 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-02 22:22:51,065 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-02 22:22:51,065 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-02 22:22:51,065 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-02 22:22:51,065 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-02 22:22:51,065 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-02 22:22:51,066 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-02 22:22:51,066 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-02 22:22:51,081 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 37 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 36 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:22:51,101 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 28 [2021-11-02 22:22:51,101 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:22:51,101 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:22:51,106 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-02 22:22:51,106 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-02 22:22:51,107 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-02 22:22:51,107 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 37 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 36 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:22:51,111 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 28 [2021-11-02 22:22:51,111 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:22:51,111 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:22:51,112 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-02 22:22:51,112 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-02 22:22:51,118 INFO L791 eck$LassoCheckResult]: Stem: 21#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 11#L-1true havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 37#L90-3true [2021-11-02 22:22:51,119 INFO L793 eck$LassoCheckResult]: Loop: 37#L90-3true assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 34#L90-2true main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 37#L90-3true [2021-11-02 22:22:51,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:22:51,124 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-02 22:22:51,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:22:51,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370455196] [2021-11-02 22:22:51,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:22:51,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:22:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:22:51,239 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:22:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:22:51,275 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:22:51,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:22:51,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-11-02 22:22:51,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:22:51,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472412887] [2021-11-02 22:22:51,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:22:51,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:22:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:22:51,289 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:22:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:22:51,298 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:22:51,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:22:51,300 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-11-02 22:22:51,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:22:51,301 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936131819] [2021-11-02 22:22:51,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:22:51,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:22:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:22:51,324 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:22:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:22:51,347 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:22:51,835 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:22:51,836 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:22:51,836 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:22:51,836 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:22:51,836 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:22:51,836 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:22:51,837 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:22:51,837 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:22:51,837 INFO L133 ssoRankerPreferences]: Filename of dumped script: veris.c_OpenSER_cases1_stripFullBoth_arr.i_Iteration1_Lasso [2021-11-02 22:22:51,838 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:22:51,838 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:22:51,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:22:52,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:22:52,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:22:52,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:22:52,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:22:52,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:22:52,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:22:52,275 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:22:52,279 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:22:52,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:22:52,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:22:52,283 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:22:52,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-02 22:22:52,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:22:52,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:22:52,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:22:52,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:22:52,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:22:52,308 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:22:52,308 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:22:52,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:22:52,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-02 22:22:52,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:22:52,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:22:52,365 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:22:52,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-02 22:22:52,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:22:52,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:22:52,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:22:52,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:22:52,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:22:52,395 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:22:52,396 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:22:52,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:22:52,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-02 22:22:52,449 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:22:52,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:22:52,452 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:22:52,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:22:52,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:22:52,468 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:22:52,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:22:52,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:22:52,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:22:52,470 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:22:52,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:22:52,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-02 22:22:52,480 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:22:52,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-02 22:22:52,516 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:22:52,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:22:52,518 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:22:52,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-02 22:22:52,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:22:52,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:22:52,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:22:52,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:22:52,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:22:52,541 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:22:52,541 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:22:52,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:22:52,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-02 22:22:52,597 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:22:52,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:22:52,598 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:22:52,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-02 22:22:52,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:22:52,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:22:52,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:22:52,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:22:52,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:22:52,620 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:22:52,620 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:22:52,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:22:52,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-02 22:22:52,672 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:22:52,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:22:52,673 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:22:52,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:22:52,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:22:52,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:22:52,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:22:52,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:22:52,698 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:22:52,699 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:22:52,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-02 22:22:52,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:22:52,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-02 22:22:52,755 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:22:52,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:22:52,756 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:22:52,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-02 22:22:52,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:22:52,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:22:52,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:22:52,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:22:52,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:22:52,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:22:52,781 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:22:52,796 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:22:52,853 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-11-02 22:22:52,854 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-11-02 22:22:52,855 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:22:52,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:22:52,861 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:22:52,892 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:22:52,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-02 22:22:52,907 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-02 22:22:52,907 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:22:52,908 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#A~0.base)_1, ULTIMATE.start_main_~i~1) = 15*v_rep(select #length ULTIMATE.start_main_~#A~0.base)_1 - 2*ULTIMATE.start_main_~i~1 Supporting invariants [] [2021-11-02 22:22:52,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-02 22:22:52,971 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2021-11-02 22:22:52,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:22:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:22:53,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-02 22:22:53,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:22:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:22:53,037 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-02 22:22:53,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:22:53,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:22:53,095 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-02 22:22:53,096 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 37 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 36 states have internal predecessors, (55), 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 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:22:53,182 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 37 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 36 states have internal predecessors, (55), 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 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 102 states and 153 transitions. Complement of second has 8 states. [2021-11-02 22:22:53,182 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 [2021-11-02 22:22:53,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:22:53,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 101 transitions. [2021-11-02 22:22:53,186 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 101 transitions. Stem has 2 letters. Loop has 2 letters. [2021-11-02 22:22:53,187 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:22:53,187 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 101 transitions. Stem has 4 letters. Loop has 2 letters. [2021-11-02 22:22:53,187 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:22:53,187 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 101 transitions. Stem has 2 letters. Loop has 4 letters. [2021-11-02 22:22:53,188 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:22:53,188 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 153 transitions. [2021-11-02 22:22:53,195 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-11-02 22:22:53,199 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 32 states and 43 transitions. [2021-11-02 22:22:53,200 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2021-11-02 22:22:53,200 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-11-02 22:22:53,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 43 transitions. [2021-11-02 22:22:53,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:22:53,201 INFO L681 BuchiCegarLoop]: Abstraction has 32 states and 43 transitions. [2021-11-02 22:22:53,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 43 transitions. [2021-11-02 22:22:53,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-11-02 22:22:53,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.34375) internal successors, (43), 31 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:22:53,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 43 transitions. [2021-11-02 22:22:53,274 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 43 transitions. [2021-11-02 22:22:53,274 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 43 transitions. [2021-11-02 22:22:53,274 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-02 22:22:53,275 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 43 transitions. [2021-11-02 22:22:53,282 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-11-02 22:22:53,282 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:22:53,283 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:22:53,283 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-02 22:22:53,283 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-02 22:22:53,284 INFO L791 eck$LassoCheckResult]: Stem: 232#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 216#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 217#L90-3 assume !(main_~i~1 < 8); 227#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 228#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 222#L63-4 [2021-11-02 22:22:53,284 INFO L793 eck$LassoCheckResult]: Loop: 222#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 207#L66 assume !parse_expression_list_#t~switch7; 208#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 223#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 224#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 222#L63-4 [2021-11-02 22:22:53,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:22:53,285 INFO L85 PathProgramCache]: Analyzing trace with hash 28696938, now seen corresponding path program 1 times [2021-11-02 22:22:53,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:22:53,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152126197] [2021-11-02 22:22:53,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:22:53,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:22:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:22:53,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-02 22:22:53,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:22:53,349 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:22:53,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152126197] [2021-11-02 22:22:53,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152126197] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:22:53,355 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:22:53,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:22:53,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512492746] [2021-11-02 22:22:53,358 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-02 22:22:53,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:22:53,359 INFO L85 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 1 times [2021-11-02 22:22:53,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:22:53,359 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528544372] [2021-11-02 22:22:53,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:22:53,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:22:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:22:53,374 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:22:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:22:53,386 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:22:53,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:22:53,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:22:53,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:22:53,473 INFO L87 Difference]: Start difference. First operand 32 states and 43 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:22:53,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:22:53,498 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2021-11-02 22:22:53,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:22:53,499 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 43 transitions. [2021-11-02 22:22:53,503 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-11-02 22:22:53,504 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 33 states and 43 transitions. [2021-11-02 22:22:53,504 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-11-02 22:22:53,504 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-11-02 22:22:53,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 43 transitions. [2021-11-02 22:22:53,505 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:22:53,505 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 43 transitions. [2021-11-02 22:22:53,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 43 transitions. [2021-11-02 22:22:53,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2021-11-02 22:22:53,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.3125) internal successors, (42), 31 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:22:53,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 42 transitions. [2021-11-02 22:22:53,508 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 42 transitions. [2021-11-02 22:22:53,509 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 42 transitions. [2021-11-02 22:22:53,509 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-02 22:22:53,509 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 42 transitions. [2021-11-02 22:22:53,510 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-11-02 22:22:53,510 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:22:53,510 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:22:53,510 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:22:53,510 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-02 22:22:53,511 INFO L791 eck$LassoCheckResult]: Stem: 304#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 287#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 288#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 308#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 309#L90-3 assume !(main_~i~1 < 8); 298#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 299#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 293#L63-4 [2021-11-02 22:22:53,511 INFO L793 eck$LassoCheckResult]: Loop: 293#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 278#L66 assume !parse_expression_list_#t~switch7; 279#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 294#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 295#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 293#L63-4 [2021-11-02 22:22:53,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:22:53,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1809669544, now seen corresponding path program 1 times [2021-11-02 22:22:53,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:22:53,517 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794003426] [2021-11-02 22:22:53,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:22:53,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:22:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:22:53,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:22:53,570 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:22:53,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794003426] [2021-11-02 22:22:53,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794003426] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:22:53,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243279935] [2021-11-02 22:22:53,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:22:53,572 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:22:53,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:22:53,576 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:22:53,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-02 22:22:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:22:53,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-02 22:22:53,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:22:53,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:22:53,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243279935] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:22:53,672 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:22:53,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-11-02 22:22:53,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402712308] [2021-11-02 22:22:53,673 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-02 22:22:53,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:22:53,673 INFO L85 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 2 times [2021-11-02 22:22:53,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:22:53,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360839691] [2021-11-02 22:22:53,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:22:53,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:22:53,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:22:53,680 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:22:53,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:22:53,686 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:22:53,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:22:53,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 22:22:53,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:22:53,741 INFO L87 Difference]: Start difference. First operand 32 states and 42 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:22:53,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:22:53,755 INFO L93 Difference]: Finished difference Result 35 states and 45 transitions. [2021-11-02 22:22:53,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:22:53,760 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 45 transitions. [2021-11-02 22:22:53,763 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-11-02 22:22:53,764 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 35 states and 45 transitions. [2021-11-02 22:22:53,765 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-11-02 22:22:53,765 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-11-02 22:22:53,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 45 transitions. [2021-11-02 22:22:53,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:22:53,766 INFO L681 BuchiCegarLoop]: Abstraction has 35 states and 45 transitions. [2021-11-02 22:22:53,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 45 transitions. [2021-11-02 22:22:53,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2021-11-02 22:22:53,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 33 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:22:53,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 44 transitions. [2021-11-02 22:22:53,777 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 44 transitions. [2021-11-02 22:22:53,777 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 44 transitions. [2021-11-02 22:22:53,777 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-02 22:22:53,777 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 44 transitions. [2021-11-02 22:22:53,779 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-11-02 22:22:53,780 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:22:53,780 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:22:53,780 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2021-11-02 22:22:53,781 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-02 22:22:53,781 INFO L791 eck$LassoCheckResult]: Stem: 396#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 380#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 381#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 401#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 402#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 403#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 404#L90-3 assume !(main_~i~1 < 8); 389#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 390#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 386#L63-4 [2021-11-02 22:22:53,781 INFO L793 eck$LassoCheckResult]: Loop: 386#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 371#L66 assume !parse_expression_list_#t~switch7; 372#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 387#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 388#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 386#L63-4 [2021-11-02 22:22:53,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:22:53,782 INFO L85 PathProgramCache]: Analyzing trace with hash -367607194, now seen corresponding path program 2 times [2021-11-02 22:22:53,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:22:53,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337545593] [2021-11-02 22:22:53,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:22:53,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:22:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:22:53,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:22:53,855 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:22:53,855 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337545593] [2021-11-02 22:22:53,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337545593] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:22:53,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709952388] [2021-11-02 22:22:53,856 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-02 22:22:53,856 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:22:53,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:22:53,857 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:22:53,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-02 22:22:53,915 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-02 22:22:53,915 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-02 22:22:53,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-02 22:22:53,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:22:53,958 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:22:53,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [709952388] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:22:53,959 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:22:53,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-11-02 22:22:53,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932402447] [2021-11-02 22:22:53,959 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-02 22:22:53,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:22:53,960 INFO L85 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 3 times [2021-11-02 22:22:53,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:22:53,960 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808926484] [2021-11-02 22:22:53,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:22:53,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:22:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:22:53,978 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:22:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:22:53,989 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:22:54,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:22:54,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-02 22:22:54,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-02 22:22:54,050 INFO L87 Difference]: Start difference. First operand 34 states and 44 transitions. cyclomatic complexity: 12 Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 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) [2021-11-02 22:22:54,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:22:54,072 INFO L93 Difference]: Finished difference Result 37 states and 47 transitions. [2021-11-02 22:22:54,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:22:54,074 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 47 transitions. [2021-11-02 22:22:54,077 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-11-02 22:22:54,079 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 37 states and 47 transitions. [2021-11-02 22:22:54,079 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-11-02 22:22:54,080 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-11-02 22:22:54,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 47 transitions. [2021-11-02 22:22:54,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:22:54,081 INFO L681 BuchiCegarLoop]: Abstraction has 37 states and 47 transitions. [2021-11-02 22:22:54,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 47 transitions. [2021-11-02 22:22:54,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2021-11-02 22:22:54,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 35 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:22:54,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 46 transitions. [2021-11-02 22:22:54,089 INFO L704 BuchiCegarLoop]: Abstraction has 36 states and 46 transitions. [2021-11-02 22:22:54,089 INFO L587 BuchiCegarLoop]: Abstraction has 36 states and 46 transitions. [2021-11-02 22:22:54,089 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-02 22:22:54,089 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 46 transitions. [2021-11-02 22:22:54,092 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-11-02 22:22:54,092 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:22:54,092 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:22:54,093 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1, 1] [2021-11-02 22:22:54,093 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-02 22:22:54,093 INFO L791 eck$LassoCheckResult]: Stem: 501#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 484#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 485#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 505#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 506#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 507#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 510#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 509#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 508#L90-3 assume !(main_~i~1 < 8); 495#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 496#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 490#L63-4 [2021-11-02 22:22:54,093 INFO L793 eck$LassoCheckResult]: Loop: 490#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 475#L66 assume !parse_expression_list_#t~switch7; 476#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 491#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 492#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 490#L63-4 [2021-11-02 22:22:54,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:22:54,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1081479260, now seen corresponding path program 3 times [2021-11-02 22:22:54,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:22:54,094 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050011695] [2021-11-02 22:22:54,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:22:54,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:22:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:22:54,170 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:22:54,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:22:54,171 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050011695] [2021-11-02 22:22:54,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050011695] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:22:54,171 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1588824343] [2021-11-02 22:22:54,171 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-02 22:22:54,171 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:22:54,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:22:54,172 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:22:54,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-02 22:22:54,247 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-02 22:22:54,248 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-02 22:22:54,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-02 22:22:54,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:22:54,291 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:22:54,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1588824343] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:22:54,291 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:22:54,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-11-02 22:22:54,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726646924] [2021-11-02 22:22:54,293 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-02 22:22:54,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:22:54,293 INFO L85 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 4 times [2021-11-02 22:22:54,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:22:54,294 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741962013] [2021-11-02 22:22:54,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:22:54,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:22:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:22:54,308 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:22:54,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:22:54,320 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:22:54,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:22:54,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-02 22:22:54,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-02 22:22:54,384 INFO L87 Difference]: Start difference. First operand 36 states and 46 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:22:54,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:22:54,407 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2021-11-02 22:22:54,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:22:54,407 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 49 transitions. [2021-11-02 22:22:54,433 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-11-02 22:22:54,434 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 39 states and 49 transitions. [2021-11-02 22:22:54,434 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-11-02 22:22:54,434 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-11-02 22:22:54,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 49 transitions. [2021-11-02 22:22:54,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:22:54,435 INFO L681 BuchiCegarLoop]: Abstraction has 39 states and 49 transitions. [2021-11-02 22:22:54,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 49 transitions. [2021-11-02 22:22:54,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2021-11-02 22:22:54,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.263157894736842) internal successors, (48), 37 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:22:54,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 48 transitions. [2021-11-02 22:22:54,437 INFO L704 BuchiCegarLoop]: Abstraction has 38 states and 48 transitions. [2021-11-02 22:22:54,437 INFO L587 BuchiCegarLoop]: Abstraction has 38 states and 48 transitions. [2021-11-02 22:22:54,437 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-02 22:22:54,437 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 48 transitions. [2021-11-02 22:22:54,438 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-11-02 22:22:54,438 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:22:54,438 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:22:54,439 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1, 1] [2021-11-02 22:22:54,439 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-02 22:22:54,439 INFO L791 eck$LassoCheckResult]: Stem: 615#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 599#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 600#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 622#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 623#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 620#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 621#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 627#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 626#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 625#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 624#L90-3 assume !(main_~i~1 < 8); 610#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 611#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 605#L63-4 [2021-11-02 22:22:54,439 INFO L793 eck$LassoCheckResult]: Loop: 605#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 590#L66 assume !parse_expression_list_#t~switch7; 591#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 606#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 607#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 605#L63-4 [2021-11-02 22:22:54,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:22:54,440 INFO L85 PathProgramCache]: Analyzing trace with hash 82232674, now seen corresponding path program 4 times [2021-11-02 22:22:54,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:22:54,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949566362] [2021-11-02 22:22:54,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:22:54,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:22:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:22:54,499 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:22:54,500 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:22:54,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949566362] [2021-11-02 22:22:54,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949566362] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:22:54,501 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244207833] [2021-11-02 22:22:54,501 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-02 22:22:54,501 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:22:54,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:22:54,503 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:22:54,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-02 22:22:54,561 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-02 22:22:54,561 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-02 22:22:54,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-02 22:22:54,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:22:54,607 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:22:54,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244207833] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:22:54,607 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:22:54,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-11-02 22:22:54,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663256183] [2021-11-02 22:22:54,608 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-02 22:22:54,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:22:54,608 INFO L85 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 5 times [2021-11-02 22:22:54,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:22:54,608 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726600147] [2021-11-02 22:22:54,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:22:54,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:22:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:22:54,613 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:22:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:22:54,618 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:22:54,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:22:54,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-02 22:22:54,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-11-02 22:22:54,676 INFO L87 Difference]: Start difference. First operand 38 states and 48 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:22:54,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:22:54,699 INFO L93 Difference]: Finished difference Result 41 states and 51 transitions. [2021-11-02 22:22:54,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-02 22:22:54,704 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 51 transitions. [2021-11-02 22:22:54,706 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-11-02 22:22:54,709 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 41 states and 51 transitions. [2021-11-02 22:22:54,710 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-11-02 22:22:54,710 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-11-02 22:22:54,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 51 transitions. [2021-11-02 22:22:54,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:22:54,712 INFO L681 BuchiCegarLoop]: Abstraction has 41 states and 51 transitions. [2021-11-02 22:22:54,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 51 transitions. [2021-11-02 22:22:54,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2021-11-02 22:22:54,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.25) internal successors, (50), 39 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:22:54,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 50 transitions. [2021-11-02 22:22:54,716 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 50 transitions. [2021-11-02 22:22:54,716 INFO L587 BuchiCegarLoop]: Abstraction has 40 states and 50 transitions. [2021-11-02 22:22:54,716 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-02 22:22:54,716 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 50 transitions. [2021-11-02 22:22:54,716 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-11-02 22:22:54,717 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:22:54,717 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:22:54,717 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1] [2021-11-02 22:22:54,717 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-02 22:22:54,718 INFO L791 eck$LassoCheckResult]: Stem: 741#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 725#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 726#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 748#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 749#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 746#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 747#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 755#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 754#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 753#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 752#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 751#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 750#L90-3 assume !(main_~i~1 < 8); 736#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 737#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 731#L63-4 [2021-11-02 22:22:54,718 INFO L793 eck$LassoCheckResult]: Loop: 731#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 716#L66 assume !parse_expression_list_#t~switch7; 717#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 732#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 733#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 731#L63-4 [2021-11-02 22:22:54,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:22:54,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1717904288, now seen corresponding path program 5 times [2021-11-02 22:22:54,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:22:54,719 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445304367] [2021-11-02 22:22:54,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:22:54,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:22:54,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:22:54,780 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:22:54,780 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:22:54,780 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445304367] [2021-11-02 22:22:54,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445304367] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:22:54,780 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [912595114] [2021-11-02 22:22:54,780 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-02 22:22:54,781 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:22:54,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:22:54,788 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:22:54,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-02 22:22:54,872 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-11-02 22:22:54,873 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-02 22:22:54,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-02 22:22:54,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:22:54,935 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:22:54,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [912595114] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:22:54,936 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:22:54,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-11-02 22:22:54,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369906506] [2021-11-02 22:22:54,937 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-02 22:22:54,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:22:54,937 INFO L85 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 6 times [2021-11-02 22:22:54,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:22:54,938 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740034933] [2021-11-02 22:22:54,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:22:54,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:22:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:22:54,943 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:22:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:22:54,952 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:22:55,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:22:55,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-02 22:22:55,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-11-02 22:22:55,018 INFO L87 Difference]: Start difference. First operand 40 states and 50 transitions. cyclomatic complexity: 12 Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:22:55,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:22:55,054 INFO L93 Difference]: Finished difference Result 43 states and 53 transitions. [2021-11-02 22:22:55,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:22:55,055 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 53 transitions. [2021-11-02 22:22:55,056 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-11-02 22:22:55,057 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 43 states and 53 transitions. [2021-11-02 22:22:55,057 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-11-02 22:22:55,058 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-11-02 22:22:55,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 53 transitions. [2021-11-02 22:22:55,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:22:55,063 INFO L681 BuchiCegarLoop]: Abstraction has 43 states and 53 transitions. [2021-11-02 22:22:55,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 53 transitions. [2021-11-02 22:22:55,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2021-11-02 22:22:55,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.2380952380952381) internal successors, (52), 41 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:22:55,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 52 transitions. [2021-11-02 22:22:55,069 INFO L704 BuchiCegarLoop]: Abstraction has 42 states and 52 transitions. [2021-11-02 22:22:55,069 INFO L587 BuchiCegarLoop]: Abstraction has 42 states and 52 transitions. [2021-11-02 22:22:55,069 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-11-02 22:22:55,069 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 52 transitions. [2021-11-02 22:22:55,070 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-11-02 22:22:55,070 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:22:55,070 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:22:55,070 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [6, 6, 1, 1, 1, 1, 1] [2021-11-02 22:22:55,070 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-02 22:22:55,071 INFO L791 eck$LassoCheckResult]: Stem: 879#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 862#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 863#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 885#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 886#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 883#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 884#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 894#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 893#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 892#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 891#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 890#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 889#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 888#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 887#L90-3 assume !(main_~i~1 < 8); 873#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 874#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 868#L63-4 [2021-11-02 22:22:55,071 INFO L793 eck$LassoCheckResult]: Loop: 868#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 853#L66 assume !parse_expression_list_#t~switch7; 854#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 869#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 870#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 868#L63-4 [2021-11-02 22:22:55,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:22:55,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1640295006, now seen corresponding path program 6 times [2021-11-02 22:22:55,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:22:55,071 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575423539] [2021-11-02 22:22:55,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:22:55,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:22:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:22:55,162 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:22:55,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:22:55,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575423539] [2021-11-02 22:22:55,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575423539] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:22:55,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185610000] [2021-11-02 22:22:55,163 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-02 22:22:55,163 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:22:55,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:22:55,172 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:22:55,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-02 22:22:55,264 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-11-02 22:22:55,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-02 22:22:55,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-02 22:22:55,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:22:55,326 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:22:55,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185610000] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:22:55,327 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:22:55,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-11-02 22:22:55,327 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46328540] [2021-11-02 22:22:55,327 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-02 22:22:55,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:22:55,328 INFO L85 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 7 times [2021-11-02 22:22:55,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:22:55,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051747064] [2021-11-02 22:22:55,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:22:55,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:22:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:22:55,332 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:22:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:22:55,336 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:22:55,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:22:55,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-02 22:22:55,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2021-11-02 22:22:55,397 INFO L87 Difference]: Start difference. First operand 42 states and 52 transitions. cyclomatic complexity: 12 Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:22:55,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:22:55,425 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2021-11-02 22:22:55,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-02 22:22:55,425 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 55 transitions. [2021-11-02 22:22:55,426 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-11-02 22:22:55,426 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 55 transitions. [2021-11-02 22:22:55,426 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-11-02 22:22:55,427 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-11-02 22:22:55,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 55 transitions. [2021-11-02 22:22:55,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:22:55,427 INFO L681 BuchiCegarLoop]: Abstraction has 45 states and 55 transitions. [2021-11-02 22:22:55,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 55 transitions. [2021-11-02 22:22:55,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 44. [2021-11-02 22:22:55,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.2272727272727273) internal successors, (54), 43 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:22:55,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 54 transitions. [2021-11-02 22:22:55,430 INFO L704 BuchiCegarLoop]: Abstraction has 44 states and 54 transitions. [2021-11-02 22:22:55,430 INFO L587 BuchiCegarLoop]: Abstraction has 44 states and 54 transitions. [2021-11-02 22:22:55,430 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-11-02 22:22:55,430 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 54 transitions. [2021-11-02 22:22:55,430 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-11-02 22:22:55,430 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:22:55,431 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:22:55,431 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [7, 7, 1, 1, 1, 1, 1] [2021-11-02 22:22:55,431 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-02 22:22:55,431 INFO L791 eck$LassoCheckResult]: Stem: 1027#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 1010#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 1011#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1033#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1034#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1031#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1032#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1044#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1043#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1042#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1041#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1040#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1039#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1038#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1037#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1036#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1035#L90-3 assume !(main_~i~1 < 8); 1019#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 1020#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 1016#L63-4 [2021-11-02 22:22:55,432 INFO L793 eck$LassoCheckResult]: Loop: 1016#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 1001#L66 assume !parse_expression_list_#t~switch7; 1002#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 1017#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 1018#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 1016#L63-4 [2021-11-02 22:22:55,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:22:55,432 INFO L85 PathProgramCache]: Analyzing trace with hash 72219036, now seen corresponding path program 7 times [2021-11-02 22:22:55,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:22:55,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493214255] [2021-11-02 22:22:55,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:22:55,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:22:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:22:55,517 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:22:55,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:22:55,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493214255] [2021-11-02 22:22:55,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493214255] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:22:55,518 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816850614] [2021-11-02 22:22:55,518 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-02 22:22:55,518 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:22:55,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:22:55,521 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:22:55,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-02 22:22:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:22:55,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-02 22:22:55,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:22:55,690 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:22:55,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816850614] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:22:55,691 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:22:55,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2021-11-02 22:22:55,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403772416] [2021-11-02 22:22:55,691 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-02 22:22:55,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:22:55,692 INFO L85 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 8 times [2021-11-02 22:22:55,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:22:55,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59693547] [2021-11-02 22:22:55,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:22:55,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:22:55,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:22:55,696 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:22:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:22:55,700 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:22:55,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:22:55,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-02 22:22:55,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2021-11-02 22:22:55,756 INFO L87 Difference]: Start difference. First operand 44 states and 54 transitions. cyclomatic complexity: 12 Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:22:55,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:22:55,789 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2021-11-02 22:22:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-02 22:22:55,789 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 56 transitions. [2021-11-02 22:22:55,790 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-11-02 22:22:55,791 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 46 states and 56 transitions. [2021-11-02 22:22:55,791 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-11-02 22:22:55,791 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-11-02 22:22:55,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 56 transitions. [2021-11-02 22:22:55,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:22:55,791 INFO L681 BuchiCegarLoop]: Abstraction has 46 states and 56 transitions. [2021-11-02 22:22:55,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 56 transitions. [2021-11-02 22:22:55,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-11-02 22:22:55,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 45 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:22:55,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions. [2021-11-02 22:22:55,794 INFO L704 BuchiCegarLoop]: Abstraction has 46 states and 56 transitions. [2021-11-02 22:22:55,794 INFO L587 BuchiCegarLoop]: Abstraction has 46 states and 56 transitions. [2021-11-02 22:22:55,794 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-11-02 22:22:55,795 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 56 transitions. [2021-11-02 22:22:55,795 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-11-02 22:22:55,795 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:22:55,795 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:22:55,796 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 1, 1, 1, 1, 1] [2021-11-02 22:22:55,796 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-02 22:22:55,796 INFO L791 eck$LassoCheckResult]: Stem: 1184#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 1168#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 1169#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1191#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1192#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1189#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1190#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1204#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1203#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1202#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1201#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1200#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1199#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1198#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1197#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1196#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1195#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1194#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1193#L90-3 assume !(main_~i~1 < 8); 1179#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 1180#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 1174#L63-4 [2021-11-02 22:22:55,797 INFO L793 eck$LassoCheckResult]: Loop: 1174#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 1159#L66 assume !parse_expression_list_#t~switch7; 1160#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 1175#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 1176#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 1174#L63-4 [2021-11-02 22:22:55,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:22:55,797 INFO L85 PathProgramCache]: Analyzing trace with hash 684732762, now seen corresponding path program 8 times [2021-11-02 22:22:55,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:22:55,798 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771474849] [2021-11-02 22:22:55,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:22:55,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:22:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:22:55,813 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:22:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:22:55,832 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:22:55,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:22:55,833 INFO L85 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 9 times [2021-11-02 22:22:55,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:22:55,834 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586964759] [2021-11-02 22:22:55,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:22:55,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:22:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:22:55,838 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:22:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:22:55,842 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:22:55,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:22:55,843 INFO L85 PathProgramCache]: Analyzing trace with hash 299059334, now seen corresponding path program 1 times [2021-11-02 22:22:55,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:22:55,843 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791954230] [2021-11-02 22:22:55,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:22:55,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:22:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:22:55,865 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:22:55,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:22:55,902 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:23:02,902 WARN L207 SmtUtils]: Spent 6.94 s on a formula simplification. DAG size of input: 224 DAG size of output: 172 [2021-11-02 22:23:04,015 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:23:04,015 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:23:04,015 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:23:04,015 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:23:04,016 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:23:04,016 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:04,016 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:23:04,016 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:23:04,016 INFO L133 ssoRankerPreferences]: Filename of dumped script: veris.c_OpenSER_cases1_stripFullBoth_arr.i_Iteration10_Lasso [2021-11-02 22:23:04,016 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:23:04,016 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:23:04,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:04,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:04,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:04,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:04,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:04,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:04,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:04,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:04,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:04,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:04,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:04,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:04,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:04,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:04,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:04,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:04,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:04,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:04,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:04,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:04,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:04,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:04,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:04,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:04,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:04,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:04,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:04,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:04,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:04,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:04,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:04,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:04,935 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:23:04,936 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:23:04,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:04,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:04,941 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:04,943 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:04,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:04,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:04,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:04,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:04,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:04,953 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:04,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:04,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-02 22:23:04,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:04,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:04,991 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:04,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:04,992 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:04,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-02 22:23:04,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:05,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:05,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:05,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:05,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:05,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:05,004 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:05,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:05,032 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:05,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:05,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:05,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:05,071 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:05,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-02 22:23:05,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:05,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:05,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:05,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:05,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:05,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:05,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:05,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:05,093 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:05,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:05,135 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:05,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:05,137 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:05,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:05,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-02 22:23:05,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:05,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:05,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:05,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:05,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:05,159 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:05,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:05,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:05,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:05,222 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:05,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:05,224 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:05,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:05,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:05,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:05,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:05,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:05,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:05,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:05,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:05,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-02 22:23:05,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:05,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-11-02 22:23:05,288 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:05,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:05,289 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:05,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-02 22:23:05,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:05,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:05,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:05,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:05,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:05,300 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:05,300 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:05,302 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:05,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:05,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:05,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:05,323 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:05,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-02 22:23:05,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:05,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:05,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:05,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:05,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:05,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:05,334 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:05,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:05,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:05,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:05,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:05,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:05,373 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:05,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-02 22:23:05,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:05,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:05,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:05,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:05,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:05,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:05,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:05,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:05,401 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:05,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:05,425 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:05,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:05,426 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:05,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-02 22:23:05,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:05,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:05,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:05,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:05,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:05,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:05,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:05,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:05,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:05,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:05,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:05,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:05,458 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:05,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-02 22:23:05,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:05,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:05,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:05,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:05,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:05,480 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:05,480 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:05,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:05,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:05,530 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:05,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:05,532 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:05,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:05,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:05,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:05,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:05,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:05,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:05,555 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:05,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:05,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-02 22:23:05,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:05,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:05,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:05,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:05,589 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:05,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:05,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-02 22:23:05,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:05,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:05,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:05,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:05,599 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:05,600 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:05,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:05,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:05,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:05,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:05,635 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:05,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-02 22:23:05,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:05,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:05,648 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:05,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:05,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:05,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:05,649 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:05,649 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:05,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:05,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:05,669 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:05,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:05,670 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:05,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-02 22:23:05,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:05,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:05,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:05,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:05,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:05,684 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:05,684 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:05,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:05,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:05,706 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:05,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:05,707 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:05,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-02 22:23:05,708 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 [2021-11-02 22:23:05,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:05,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:05,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:05,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:05,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:05,716 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:05,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:05,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:05,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-11-02 22:23:05,742 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:05,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:05,743 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:05,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-02 22:23:05,744 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:05,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:05,751 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:05,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:05,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:05,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:05,752 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:05,752 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:05,758 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:05,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-11-02 22:23:05,777 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:05,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:05,778 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:05,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-02 22:23:05,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:05,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:05,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:05,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:05,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:05,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:05,787 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:05,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:05,797 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:05,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-11-02 22:23:05,820 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:05,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:05,820 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:05,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-02 22:23:05,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:05,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:05,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:05,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:05,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:05,830 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:05,830 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:05,849 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:05,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:05,869 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:05,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:05,870 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:05,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-02 22:23:05,871 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:05,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:05,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:05,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:05,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:05,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:05,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:05,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:05,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:05,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-11-02 22:23:05,899 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:05,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:05,909 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:05,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:05,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-02 22:23:05,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:05,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:05,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:05,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:05,921 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:05,921 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:05,934 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:05,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-11-02 22:23:05,954 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:05,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:05,955 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:05,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-02 22:23:05,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:05,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:05,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:05,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:05,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:05,967 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:05,967 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:05,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:05,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:05,989 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:05,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:05,990 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:05,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-02 22:23:05,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:06,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:06,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:06,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:06,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:06,006 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:06,006 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:06,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:06,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-11-02 22:23:06,027 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:06,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:06,028 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:06,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-02 22:23:06,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:06,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:06,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:06,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:06,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:06,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:06,039 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:06,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:06,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:06,096 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:06,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:06,102 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:06,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:06,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-02 22:23:06,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:06,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:06,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:06,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:06,123 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:06,123 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:06,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:06,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-11-02 22:23:06,147 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:06,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:06,147 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:06,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-02 22:23:06,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:06,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:06,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:06,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:06,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:06,157 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:06,157 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:06,160 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:06,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-11-02 22:23:06,180 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:06,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:06,180 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:06,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-02 22:23:06,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:06,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:06,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:06,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:06,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:06,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:06,192 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:06,216 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:06,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-11-02 22:23:06,239 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:06,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:06,239 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:06,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-02 22:23:06,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:06,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:06,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:06,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:06,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:06,250 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:06,250 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:06,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:06,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-11-02 22:23:06,314 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:06,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:06,314 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:06,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-02 22:23:06,316 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:06,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:06,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:06,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:06,323 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-02 22:23:06,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:06,324 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:23:06,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:06,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:06,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:06,345 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:06,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:06,346 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:06,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:06,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-02 22:23:06,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:06,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:06,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:06,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:06,357 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:06,357 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:06,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:06,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:06,420 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:06,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:06,421 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:06,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-02 22:23:06,424 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 [2021-11-02 22:23:06,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:06,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:06,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:06,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:06,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:06,432 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:06,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:06,433 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:06,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-11-02 22:23:06,452 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:06,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:06,453 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:06,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-02 22:23:06,454 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 [2021-11-02 22:23:06,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:06,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:06,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:06,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:06,462 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:06,462 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:06,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:06,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:06,523 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:06,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:06,524 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:06,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-02 22:23:06,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:06,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:06,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:06,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:06,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:06,539 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:06,539 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:06,568 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:23:06,597 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-11-02 22:23:06,597 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-11-02 22:23:06,598 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:06,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:06,601 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:06,608 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:23:06,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-02 22:23:06,617 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-02 22:23:06,617 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:23:06,617 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#A~0.base)_2, ULTIMATE.start_parse_expression_list_~i~0) = 1*v_rep(select #length ULTIMATE.start_main_~#A~0.base)_2 - 1*ULTIMATE.start_parse_expression_list_~i~0 Supporting invariants [1*ULTIMATE.start_parse_expression_list_~str.offset >= 0] [2021-11-02 22:23:06,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-11-02 22:23:06,675 INFO L297 tatePredicateManager]: 15 out of 17 supporting invariants were superfluous and have been removed [2021-11-02 22:23:06,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:23:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:23:06,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-02 22:23:06,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:23:06,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:23:06,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-02 22:23:06,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:23:07,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:23:07,065 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-11-02 22:23:07,066 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 46 states and 56 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2021-11-02 22:23:07,148 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 46 states and 56 transitions. cyclomatic complexity: 12. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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 73 states and 92 transitions. Complement of second has 6 states. [2021-11-02 22:23:07,149 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 [2021-11-02 22:23:07,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2021-11-02 22:23:07,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 42 transitions. [2021-11-02 22:23:07,150 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 42 transitions. Stem has 21 letters. Loop has 5 letters. [2021-11-02 22:23:07,151 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:23:07,151 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 42 transitions. Stem has 26 letters. Loop has 5 letters. [2021-11-02 22:23:07,152 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:23:07,152 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 42 transitions. Stem has 21 letters. Loop has 10 letters. [2021-11-02 22:23:07,153 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:23:07,153 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 92 transitions. [2021-11-02 22:23:07,154 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-11-02 22:23:07,155 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 59 states and 75 transitions. [2021-11-02 22:23:07,155 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-11-02 22:23:07,156 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-11-02 22:23:07,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 75 transitions. [2021-11-02 22:23:07,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:23:07,156 INFO L681 BuchiCegarLoop]: Abstraction has 59 states and 75 transitions. [2021-11-02 22:23:07,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 75 transitions. [2021-11-02 22:23:07,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 58. [2021-11-02 22:23:07,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 58 states have (on average 1.2758620689655173) internal successors, (74), 57 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:23:07,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 74 transitions. [2021-11-02 22:23:07,160 INFO L704 BuchiCegarLoop]: Abstraction has 58 states and 74 transitions. [2021-11-02 22:23:07,161 INFO L587 BuchiCegarLoop]: Abstraction has 58 states and 74 transitions. [2021-11-02 22:23:07,161 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-11-02 22:23:07,161 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 58 states and 74 transitions. [2021-11-02 22:23:07,162 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-11-02 22:23:07,162 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:23:07,162 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:23:07,163 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:23:07,163 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-02 22:23:07,163 INFO L791 eck$LassoCheckResult]: Stem: 1493#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 1469#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 1470#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1498#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1499#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1500#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1513#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1512#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1511#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1510#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1509#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1508#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1507#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1506#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1505#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1504#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1503#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1502#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1501#L90-3 assume !(main_~i~1 < 8); 1483#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 1484#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 1477#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 1456#L66 assume parse_expression_list_#t~switch7; 1459#L67-5 [2021-11-02 22:23:07,164 INFO L793 eck$LassoCheckResult]: Loop: 1459#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 1467#L67-1 assume parse_expression_list_#t~short10; 1485#L67-3 assume !!parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10;parse_expression_list_#t~post11 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post11;havoc parse_expression_list_#t~post11; 1459#L67-5 [2021-11-02 22:23:07,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:23:07,164 INFO L85 PathProgramCache]: Analyzing trace with hash 898188797, now seen corresponding path program 1 times [2021-11-02 22:23:07,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:23:07,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113738204] [2021-11-02 22:23:07,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:23:07,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:23:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:23:07,187 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:23:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:23:07,211 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:23:07,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:23:07,212 INFO L85 PathProgramCache]: Analyzing trace with hash 62664, now seen corresponding path program 1 times [2021-11-02 22:23:07,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:23:07,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329258620] [2021-11-02 22:23:07,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:23:07,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:23:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:23:07,218 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:23:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:23:07,222 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:23:07,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:23:07,223 INFO L85 PathProgramCache]: Analyzing trace with hash 296230220, now seen corresponding path program 1 times [2021-11-02 22:23:07,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:23:07,223 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929850719] [2021-11-02 22:23:07,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:23:07,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:23:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:23:07,339 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-02 22:23:07,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:23:07,339 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929850719] [2021-11-02 22:23:07,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929850719] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:23:07,340 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:23:07,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-02 22:23:07,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053100846] [2021-11-02 22:23:07,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:23:07,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-02 22:23:07,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-02 22:23:07,391 INFO L87 Difference]: Start difference. First operand 58 states and 74 transitions. cyclomatic complexity: 20 Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 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) [2021-11-02 22:23:07,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:23:07,552 INFO L93 Difference]: Finished difference Result 91 states and 118 transitions. [2021-11-02 22:23:07,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-02 22:23:07,552 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 91 states and 118 transitions. [2021-11-02 22:23:07,553 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2021-11-02 22:23:07,554 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 91 states to 91 states and 118 transitions. [2021-11-02 22:23:07,554 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-11-02 22:23:07,554 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-11-02 22:23:07,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 91 states and 118 transitions. [2021-11-02 22:23:07,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:23:07,555 INFO L681 BuchiCegarLoop]: Abstraction has 91 states and 118 transitions. [2021-11-02 22:23:07,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states and 118 transitions. [2021-11-02 22:23:07,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 65. [2021-11-02 22:23:07,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 64 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:23:07,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 83 transitions. [2021-11-02 22:23:07,559 INFO L704 BuchiCegarLoop]: Abstraction has 65 states and 83 transitions. [2021-11-02 22:23:07,559 INFO L587 BuchiCegarLoop]: Abstraction has 65 states and 83 transitions. [2021-11-02 22:23:07,559 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-11-02 22:23:07,559 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 83 transitions. [2021-11-02 22:23:07,560 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-11-02 22:23:07,560 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:23:07,560 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:23:07,561 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:23:07,561 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-02 22:23:07,561 INFO L791 eck$LassoCheckResult]: Stem: 1665#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 1640#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 1641#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1672#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1673#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1674#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1687#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1686#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1685#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1684#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1683#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1682#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1681#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1680#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1679#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1678#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1677#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1676#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1675#L90-3 assume !(main_~i~1 < 8); 1653#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 1654#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 1648#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 1625#L66 assume !parse_expression_list_#t~switch7; 1626#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 1651#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 1652#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 1649#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 1650#L66 assume parse_expression_list_#t~switch7; 1636#L67-5 [2021-11-02 22:23:07,562 INFO L793 eck$LassoCheckResult]: Loop: 1636#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 1637#L67-1 assume parse_expression_list_#t~short10; 1689#L67-3 assume !!parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10;parse_expression_list_#t~post11 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post11;havoc parse_expression_list_#t~post11; 1636#L67-5 [2021-11-02 22:23:07,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:23:07,562 INFO L85 PathProgramCache]: Analyzing trace with hash -366788055, now seen corresponding path program 1 times [2021-11-02 22:23:07,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:23:07,562 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277943710] [2021-11-02 22:23:07,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:23:07,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:23:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:23:07,578 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:23:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:23:07,598 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:23:07,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:23:07,598 INFO L85 PathProgramCache]: Analyzing trace with hash 62664, now seen corresponding path program 2 times [2021-11-02 22:23:07,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:23:07,599 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462500320] [2021-11-02 22:23:07,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:23:07,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:23:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:23:07,602 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:23:07,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:23:07,606 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:23:07,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:23:07,606 INFO L85 PathProgramCache]: Analyzing trace with hash -586112608, now seen corresponding path program 1 times [2021-11-02 22:23:07,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:23:07,607 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506336957] [2021-11-02 22:23:07,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:23:07,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:23:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:23:07,624 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:23:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:23:07,645 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:23:12,969 WARN L207 SmtUtils]: Spent 5.27 s on a formula simplification. DAG size of input: 266 DAG size of output: 195 [2021-11-02 22:23:13,423 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:23:13,423 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:23:13,423 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:23:13,424 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:23:13,424 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:23:13,424 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:13,424 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:23:13,424 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:23:13,424 INFO L133 ssoRankerPreferences]: Filename of dumped script: veris.c_OpenSER_cases1_stripFullBoth_arr.i_Iteration12_Lasso [2021-11-02 22:23:13,424 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:23:13,424 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:23:13,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:13,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:13,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:13,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:13,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:13,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:13,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:13,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:13,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:13,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:13,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:13,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:13,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:13,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:13,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:13,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:13,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:13,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:13,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:13,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:13,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:13,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:13,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:13,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:13,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:13,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:13,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:13,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:13,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:13,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:14,160 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:23:14,160 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:23:14,160 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:14,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:14,171 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:14,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:14,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:14,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:14,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:14,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:14,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:14,184 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:14,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:14,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-02 22:23:14,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:14,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-11-02 22:23:14,224 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:14,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:14,225 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:14,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-02 22:23:14,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:14,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:14,233 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:14,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:14,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:14,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:14,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:14,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:14,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:14,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-11-02 22:23:14,254 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:14,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:14,255 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:14,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-02 22:23:14,256 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:14,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:14,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:14,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:14,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:14,264 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:14,264 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:14,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:14,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:14,286 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:14,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:14,287 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:14,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-02 22:23:14,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:14,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:14,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:14,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:14,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:14,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:14,300 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:14,300 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:14,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:14,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-11-02 22:23:14,344 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:14,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:14,345 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:14,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:14,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-02 22:23:14,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:14,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:14,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:14,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:14,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:14,355 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:14,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:14,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:14,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:14,375 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:14,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:14,376 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:14,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-02 22:23:14,377 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:14,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:14,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:14,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:14,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:14,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:14,385 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:14,385 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:14,386 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:14,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-11-02 22:23:14,405 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:14,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:14,406 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:14,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-02 22:23:14,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:14,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:14,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:14,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:14,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:14,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:14,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:14,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:14,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:14,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-11-02 22:23:14,435 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:14,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:14,436 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:14,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-02 22:23:14,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:14,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:14,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:14,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:14,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:14,446 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:14,446 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:14,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:14,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-11-02 22:23:14,472 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:14,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:14,473 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:14,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-02 22:23:14,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:14,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:14,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:14,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:14,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:14,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:14,485 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:14,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:14,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:14,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-11-02 22:23:14,506 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:14,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:14,506 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:14,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-02 22:23:14,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:14,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:14,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:14,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:14,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:14,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:14,516 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:14,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:14,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:14,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-11-02 22:23:14,536 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:14,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:14,537 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:14,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-02 22:23:14,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:14,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:14,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:14,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:14,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:14,547 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:14,547 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:14,549 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:14,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-11-02 22:23:14,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:14,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:14,570 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:14,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-02 22:23:14,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:14,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:14,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:14,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:14,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:14,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:14,580 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:14,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:14,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:14,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:14,625 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:14,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:14,628 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:14,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-02 22:23:14,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:14,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:14,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:14,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:14,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:14,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:14,637 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:14,637 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:14,638 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:14,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:14,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:14,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:14,659 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:14,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-02 22:23:14,660 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 [2021-11-02 22:23:14,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:14,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:14,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:14,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:14,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:14,668 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:14,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:14,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:14,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-11-02 22:23:14,689 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:14,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:14,690 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:14,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-02 22:23:14,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:14,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:14,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:14,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:14,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:14,699 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:14,699 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:14,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:14,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-11-02 22:23:14,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:14,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:14,722 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:14,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-02 22:23:14,723 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 [2021-11-02 22:23:14,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:14,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:14,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:14,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:14,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:14,730 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:14,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:14,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:14,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-11-02 22:23:14,751 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:14,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:14,752 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:14,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-02 22:23:14,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:14,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:14,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:14,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:14,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:14,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:14,763 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:14,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:14,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:14,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-11-02 22:23:14,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:14,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:14,784 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:14,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-02 22:23:14,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:14,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:14,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:14,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:14,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:14,795 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:14,796 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:14,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:14,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-11-02 22:23:14,818 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:14,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:14,819 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:14,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-02 22:23:14,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:14,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:14,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:14,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:14,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:14,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:14,832 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:14,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:14,833 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:14,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-11-02 22:23:14,853 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:14,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:14,854 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:14,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-02 22:23:14,855 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:14,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:14,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:14,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:14,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:14,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:14,863 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:14,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:14,864 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:14,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-11-02 22:23:14,883 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:14,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:14,888 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:14,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-02 22:23:14,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:14,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:14,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:14,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:14,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:14,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:14,897 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:14,897 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:14,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:14,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-11-02 22:23:14,917 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:14,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:14,918 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:14,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-02 22:23:14,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:14,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:14,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:14,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:14,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:14,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:14,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:14,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:14,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:14,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:14,948 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:14,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:14,949 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:14,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-02 22:23:14,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:14,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:14,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:14,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:14,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:14,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:14,958 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:14,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:14,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:14,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-11-02 22:23:14,979 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:14,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:14,979 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:14,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-02 22:23:14,981 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:14,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:14,988 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:14,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:14,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:14,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:14,988 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:14,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:14,989 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:15,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-11-02 22:23:15,009 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:15,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:15,009 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:15,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-02 22:23:15,011 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:15,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:15,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:15,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:15,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:15,019 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:15,019 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:15,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:15,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-11-02 22:23:15,041 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:15,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:15,042 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:15,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-02 22:23:15,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:15,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:15,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:15,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:15,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:15,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:15,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:15,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:15,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:15,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-11-02 22:23:15,072 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:15,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:15,072 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:15,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-02 22:23:15,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:15,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:15,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:15,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:15,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:15,082 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:15,082 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:15,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:15,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:15,104 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:15,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:15,105 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:15,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-02 22:23:15,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:15,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:15,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:15,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:15,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:15,115 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:15,115 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:15,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:15,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-11-02 22:23:15,138 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:15,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:15,138 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:15,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-02 22:23:15,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:15,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:15,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:15,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:15,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:15,148 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:15,148 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:15,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:15,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-11-02 22:23:15,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:15,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:15,171 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:15,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-02 22:23:15,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:15,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:15,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:15,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:15,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:15,180 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:15,180 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:15,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:15,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:15,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:15,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:15,204 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:15,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-02 22:23:15,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:15,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:15,217 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-02 22:23:15,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:15,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:15,219 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-02 22:23:15,219 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:15,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:15,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:15,261 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:15,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:15,262 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:15,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-02 22:23:15,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:15,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:15,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:15,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:15,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:15,271 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:15,271 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:15,273 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:15,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-11-02 22:23:15,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:15,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:15,294 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:15,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-02 22:23:15,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:15,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:15,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:15,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:15,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:15,304 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:15,304 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:15,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:15,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-11-02 22:23:15,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:15,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:15,329 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:15,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-02 22:23:15,336 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:15,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:15,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:15,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:15,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:15,347 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:15,347 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:15,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:15,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-11-02 22:23:15,373 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:15,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:15,373 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:15,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-02 22:23:15,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:15,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:15,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:15,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:15,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:15,384 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:15,384 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:15,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:15,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:15,412 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:15,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:15,413 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:15,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-02 22:23:15,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:15,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:15,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:15,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:15,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:15,423 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:15,423 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:15,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:15,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:15,449 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:15,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:15,449 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:15,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-02 22:23:15,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:15,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:15,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:15,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:15,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:15,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:15,459 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:15,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:15,460 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:15,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-11-02 22:23:15,480 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:15,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:15,481 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:15,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-02 22:23:15,482 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:15,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:15,489 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:15,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:15,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:15,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:15,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:15,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:15,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:15,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-11-02 22:23:15,510 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:15,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:15,510 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:15,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-11-02 22:23:15,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:15,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:15,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:15,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:15,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:15,520 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:15,520 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:15,522 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:15,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-11-02 22:23:15,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:15,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:15,542 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:15,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-11-02 22:23:15,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:15,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:15,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:15,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:15,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:15,557 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:15,557 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:15,582 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:23:15,612 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-11-02 22:23:15,612 INFO L444 ModelExtractionUtils]: 7 out of 28 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-11-02 22:23:15,613 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:15,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:15,618 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:15,624 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:23:15,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-11-02 22:23:15,641 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-02 22:23:15,641 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:23:15,641 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_parse_expression_list_~str.base)_2, ULTIMATE.start_parse_expression_list_~start~0) = 1*v_rep(select #length ULTIMATE.start_parse_expression_list_~str.base)_2 - 1*ULTIMATE.start_parse_expression_list_~start~0 Supporting invariants [1*ULTIMATE.start_parse_expression_list_~str.offset >= 0] [2021-11-02 22:23:15,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-11-02 22:23:15,711 INFO L297 tatePredicateManager]: 21 out of 22 supporting invariants were superfluous and have been removed [2021-11-02 22:23:15,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:23:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:23:15,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-02 22:23:15,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:23:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:23:15,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-02 22:23:15,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:23:16,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:23:16,035 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-11-02 22:23:16,036 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 65 states and 83 transitions. cyclomatic complexity: 22 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:23:16,134 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 65 states and 83 transitions. cyclomatic complexity: 22. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 176 states and 237 transitions. Complement of second has 9 states. [2021-11-02 22:23:16,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-02 22:23:16,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:23:16,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 59 transitions. [2021-11-02 22:23:16,136 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 59 transitions. Stem has 28 letters. Loop has 3 letters. [2021-11-02 22:23:16,136 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:23:16,136 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 59 transitions. Stem has 31 letters. Loop has 3 letters. [2021-11-02 22:23:16,137 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:23:16,137 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 59 transitions. Stem has 28 letters. Loop has 6 letters. [2021-11-02 22:23:16,137 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:23:16,137 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 176 states and 237 transitions. [2021-11-02 22:23:16,139 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 18 [2021-11-02 22:23:16,142 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 176 states to 136 states and 181 transitions. [2021-11-02 22:23:16,142 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2021-11-02 22:23:16,142 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2021-11-02 22:23:16,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 181 transitions. [2021-11-02 22:23:16,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:23:16,143 INFO L681 BuchiCegarLoop]: Abstraction has 136 states and 181 transitions. [2021-11-02 22:23:16,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 181 transitions. [2021-11-02 22:23:16,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 91. [2021-11-02 22:23:16,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 91 states have (on average 1.3406593406593406) internal successors, (122), 90 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:23:16,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 122 transitions. [2021-11-02 22:23:16,148 INFO L704 BuchiCegarLoop]: Abstraction has 91 states and 122 transitions. [2021-11-02 22:23:16,148 INFO L587 BuchiCegarLoop]: Abstraction has 91 states and 122 transitions. [2021-11-02 22:23:16,149 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-11-02 22:23:16,149 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 91 states and 122 transitions. [2021-11-02 22:23:16,150 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-11-02 22:23:16,150 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:23:16,150 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:23:16,151 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:23:16,151 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-02 22:23:16,151 INFO L791 eck$LassoCheckResult]: Stem: 2125#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 2099#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 2100#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2133#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2134#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2135#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2150#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2149#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2148#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2147#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2146#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2145#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2144#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2143#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2142#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2141#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2140#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2139#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2138#L90-3 assume !(main_~i~1 < 8); 2114#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 2115#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 2107#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 2108#L66 assume parse_expression_list_#t~switch7; 2093#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 2094#L67-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 2164#L67-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 2152#L67-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 2162#L68 assume 34 == parse_expression_list_#t~mem12;havoc parse_expression_list_#t~mem12;parse_expression_list_#t~post13 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post13;havoc parse_expression_list_#t~post13; 2101#L68-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 2089#L70-8 [2021-11-02 22:23:16,151 INFO L793 eck$LassoCheckResult]: Loop: 2089#L70-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 2105#L70-1 assume !parse_expression_list_#t~short17; 2088#L70-6 assume !!parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17;parse_expression_list_#t~post18 := parse_expression_list_~j~0;parse_expression_list_~j~0 := parse_expression_list_#t~post18 - 1;havoc parse_expression_list_#t~post18; 2089#L70-8 [2021-11-02 22:23:16,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:23:16,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1161474036, now seen corresponding path program 1 times [2021-11-02 22:23:16,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:23:16,152 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945995148] [2021-11-02 22:23:16,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:23:16,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:23:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:23:16,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-11-02 22:23:16,425 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-02 22:23:16,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:23:16,425 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945995148] [2021-11-02 22:23:16,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945995148] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:23:16,426 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:23:16,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-02 22:23:16,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803804510] [2021-11-02 22:23:16,426 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-02 22:23:16,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:23:16,427 INFO L85 PathProgramCache]: Analyzing trace with hash 89761, now seen corresponding path program 1 times [2021-11-02 22:23:16,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:23:16,427 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916022299] [2021-11-02 22:23:16,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:23:16,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:23:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:23:16,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:23:16,437 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:23:16,437 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916022299] [2021-11-02 22:23:16,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916022299] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:23:16,438 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:23:16,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 22:23:16,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181798943] [2021-11-02 22:23:16,438 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-02 22:23:16,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:23:16,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:23:16,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:23:16,439 INFO L87 Difference]: Start difference. First operand 91 states and 122 transitions. cyclomatic complexity: 38 Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:23:16,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:23:16,455 INFO L93 Difference]: Finished difference Result 93 states and 123 transitions. [2021-11-02 22:23:16,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:23:16,455 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 93 states and 123 transitions. [2021-11-02 22:23:16,457 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-11-02 22:23:16,458 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 93 states to 92 states and 122 transitions. [2021-11-02 22:23:16,458 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-11-02 22:23:16,458 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-11-02 22:23:16,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 122 transitions. [2021-11-02 22:23:16,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:23:16,458 INFO L681 BuchiCegarLoop]: Abstraction has 92 states and 122 transitions. [2021-11-02 22:23:16,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 122 transitions. [2021-11-02 22:23:16,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-11-02 22:23:16,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 92 states have (on average 1.326086956521739) internal successors, (122), 91 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:23:16,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 122 transitions. [2021-11-02 22:23:16,463 INFO L704 BuchiCegarLoop]: Abstraction has 92 states and 122 transitions. [2021-11-02 22:23:16,463 INFO L587 BuchiCegarLoop]: Abstraction has 92 states and 122 transitions. [2021-11-02 22:23:16,463 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-11-02 22:23:16,463 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 122 transitions. [2021-11-02 22:23:16,464 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-11-02 22:23:16,464 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:23:16,464 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:23:16,465 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:23:16,465 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-02 22:23:16,465 INFO L791 eck$LassoCheckResult]: Stem: 2317#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 2292#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 2293#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2327#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2328#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2330#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2361#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2359#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2356#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2354#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2350#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2348#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2343#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2339#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2335#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2334#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2333#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2332#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2331#L90-3 assume !(main_~i~1 < 8); 2306#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 2307#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 2301#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 2278#L66 assume parse_expression_list_#t~switch7; 2281#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 2288#L67-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 2346#L67-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 2340#L67-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 2336#L68 assume 34 == parse_expression_list_#t~mem12;havoc parse_expression_list_#t~mem12;parse_expression_list_#t~post13 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post13;havoc parse_expression_list_#t~post13; 2294#L68-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 2285#L70-8 [2021-11-02 22:23:16,466 INFO L793 eck$LassoCheckResult]: Loop: 2285#L70-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 2299#L70-1 assume parse_expression_list_#t~short17;call parse_expression_list_#t~mem14 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~j~0, 1);parse_expression_list_#t~short16 := 32 == parse_expression_list_#t~mem14; 2325#L70-2 assume parse_expression_list_#t~short16; 2314#L70-4 parse_expression_list_#t~short17 := parse_expression_list_#t~short16; 2284#L70-6 assume !!parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17;parse_expression_list_#t~post18 := parse_expression_list_~j~0;parse_expression_list_~j~0 := parse_expression_list_#t~post18 - 1;havoc parse_expression_list_#t~post18; 2285#L70-8 [2021-11-02 22:23:16,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:23:16,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1161474036, now seen corresponding path program 2 times [2021-11-02 22:23:16,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:23:16,467 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722598539] [2021-11-02 22:23:16,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:23:16,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:23:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:23:16,702 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-02 22:23:16,702 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:23:16,702 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722598539] [2021-11-02 22:23:16,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722598539] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:23:16,702 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:23:16,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-02 22:23:16,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019273115] [2021-11-02 22:23:16,703 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-02 22:23:16,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:23:16,704 INFO L85 PathProgramCache]: Analyzing trace with hash 85982918, now seen corresponding path program 1 times [2021-11-02 22:23:16,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:23:16,704 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779682848] [2021-11-02 22:23:16,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:23:16,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:23:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:23:16,708 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:23:16,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:23:16,711 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:23:16,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:23:16,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-02 22:23:16,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-02 22:23:16,797 INFO L87 Difference]: Start difference. First operand 92 states and 122 transitions. cyclomatic complexity: 37 Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:23:16,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:23:16,946 INFO L93 Difference]: Finished difference Result 125 states and 159 transitions. [2021-11-02 22:23:16,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-02 22:23:16,946 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 125 states and 159 transitions. [2021-11-02 22:23:16,948 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2021-11-02 22:23:16,949 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 125 states to 117 states and 151 transitions. [2021-11-02 22:23:16,949 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2021-11-02 22:23:16,949 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2021-11-02 22:23:16,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 117 states and 151 transitions. [2021-11-02 22:23:16,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:23:16,950 INFO L681 BuchiCegarLoop]: Abstraction has 117 states and 151 transitions. [2021-11-02 22:23:16,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states and 151 transitions. [2021-11-02 22:23:16,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 88. [2021-11-02 22:23:16,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 88 states have (on average 1.3181818181818181) internal successors, (116), 87 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:23:16,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 116 transitions. [2021-11-02 22:23:16,954 INFO L704 BuchiCegarLoop]: Abstraction has 88 states and 116 transitions. [2021-11-02 22:23:16,954 INFO L587 BuchiCegarLoop]: Abstraction has 88 states and 116 transitions. [2021-11-02 22:23:16,954 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-11-02 22:23:16,954 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 88 states and 116 transitions. [2021-11-02 22:23:16,955 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-11-02 22:23:16,955 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:23:16,955 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:23:16,956 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:23:16,956 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-02 22:23:16,957 INFO L791 eck$LassoCheckResult]: Stem: 2551#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 2526#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 2527#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2558#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2559#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2561#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2575#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2574#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2573#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2572#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2571#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2570#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2569#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2568#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2567#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2566#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2565#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2564#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2563#L90-3 assume !(main_~i~1 < 8); 2540#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 2541#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 2535#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 2514#L66 assume parse_expression_list_#t~switch7; 2517#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 2524#L67-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 2544#L67-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 2545#L67-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 2552#L68 assume !(34 == parse_expression_list_#t~mem12);havoc parse_expression_list_#t~mem12; 2528#L68-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 2521#L70-8 [2021-11-02 22:23:16,957 INFO L793 eck$LassoCheckResult]: Loop: 2521#L70-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 2533#L70-1 assume parse_expression_list_#t~short17;call parse_expression_list_#t~mem14 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~j~0, 1);parse_expression_list_#t~short16 := 32 == parse_expression_list_#t~mem14; 2556#L70-2 assume parse_expression_list_#t~short16; 2548#L70-4 parse_expression_list_#t~short17 := parse_expression_list_#t~short16; 2520#L70-6 assume !!parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17;parse_expression_list_#t~post18 := parse_expression_list_~j~0;parse_expression_list_~j~0 := parse_expression_list_#t~post18 - 1;havoc parse_expression_list_#t~post18; 2521#L70-8 [2021-11-02 22:23:16,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:23:16,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1161473974, now seen corresponding path program 1 times [2021-11-02 22:23:16,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:23:16,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428828079] [2021-11-02 22:23:16,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:23:16,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:23:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:23:16,972 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:23:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:23:16,989 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:23:16,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:23:16,990 INFO L85 PathProgramCache]: Analyzing trace with hash 85982918, now seen corresponding path program 2 times [2021-11-02 22:23:16,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:23:16,990 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870881264] [2021-11-02 22:23:16,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:23:16,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:23:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:23:16,995 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:23:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:23:16,998 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:23:16,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:23:16,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1035891741, now seen corresponding path program 1 times [2021-11-02 22:23:16,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:23:16,999 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057336401] [2021-11-02 22:23:16,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:23:16,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:23:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:23:17,040 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-02 22:23:17,040 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:23:17,040 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057336401] [2021-11-02 22:23:17,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057336401] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:23:17,041 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:23:17,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-02 22:23:17,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715120865] [2021-11-02 22:23:17,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:23:17,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-02 22:23:17,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-02 22:23:17,142 INFO L87 Difference]: Start difference. First operand 88 states and 116 transitions. cyclomatic complexity: 35 Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:23:17,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:23:17,210 INFO L93 Difference]: Finished difference Result 135 states and 172 transitions. [2021-11-02 22:23:17,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-02 22:23:17,210 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 135 states and 172 transitions. [2021-11-02 22:23:17,212 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-11-02 22:23:17,213 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 135 states to 127 states and 164 transitions. [2021-11-02 22:23:17,213 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-11-02 22:23:17,213 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-11-02 22:23:17,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 127 states and 164 transitions. [2021-11-02 22:23:17,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:23:17,214 INFO L681 BuchiCegarLoop]: Abstraction has 127 states and 164 transitions. [2021-11-02 22:23:17,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states and 164 transitions. [2021-11-02 22:23:17,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 92. [2021-11-02 22:23:17,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 92 states have (on average 1.2934782608695652) internal successors, (119), 91 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:23:17,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 119 transitions. [2021-11-02 22:23:17,218 INFO L704 BuchiCegarLoop]: Abstraction has 92 states and 119 transitions. [2021-11-02 22:23:17,218 INFO L587 BuchiCegarLoop]: Abstraction has 92 states and 119 transitions. [2021-11-02 22:23:17,218 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-11-02 22:23:17,218 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 119 transitions. [2021-11-02 22:23:17,219 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-11-02 22:23:17,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:23:17,219 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:23:17,220 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:23:17,220 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-02 22:23:17,220 INFO L791 eck$LassoCheckResult]: Stem: 2792#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 2766#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 2767#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2803#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2804#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2805#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2820#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2819#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2818#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2817#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2816#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2815#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2814#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2813#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2812#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2811#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2810#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2807#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2806#L90-3 assume !(main_~i~1 < 8); 2780#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 2781#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 2775#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 2776#L66 assume !parse_expression_list_#t~switch7; 2834#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 2845#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 2844#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 2836#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 2833#L66 assume parse_expression_list_#t~switch7; 2829#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 2826#L67-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 2823#L67-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 2822#L67-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 2821#L68 assume 34 == parse_expression_list_#t~mem12;havoc parse_expression_list_#t~mem12;parse_expression_list_#t~post13 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post13;havoc parse_expression_list_#t~post13; 2768#L68-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 2761#L70-8 [2021-11-02 22:23:17,221 INFO L793 eck$LassoCheckResult]: Loop: 2761#L70-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 2773#L70-1 assume parse_expression_list_#t~short17;call parse_expression_list_#t~mem14 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~j~0, 1);parse_expression_list_#t~short16 := 32 == parse_expression_list_#t~mem14; 2801#L70-2 assume parse_expression_list_#t~short16; 2789#L70-4 parse_expression_list_#t~short17 := parse_expression_list_#t~short16; 2760#L70-6 assume !!parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17;parse_expression_list_#t~post18 := parse_expression_list_~j~0;parse_expression_list_~j~0 := parse_expression_list_#t~post18 - 1;havoc parse_expression_list_#t~post18; 2761#L70-8 [2021-11-02 22:23:17,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:23:17,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1836811464, now seen corresponding path program 1 times [2021-11-02 22:23:17,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:23:17,222 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617984011] [2021-11-02 22:23:17,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:23:17,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:23:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:23:17,238 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:23:17,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:23:17,258 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:23:17,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:23:17,259 INFO L85 PathProgramCache]: Analyzing trace with hash 85982918, now seen corresponding path program 3 times [2021-11-02 22:23:17,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:23:17,259 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833072795] [2021-11-02 22:23:17,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:23:17,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:23:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:23:17,263 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:23:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:23:17,266 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:23:17,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:23:17,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1492455953, now seen corresponding path program 1 times [2021-11-02 22:23:17,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:23:17,267 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866302938] [2021-11-02 22:23:17,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:23:17,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:23:17,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:23:17,314 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-02 22:23:17,314 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:23:17,314 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866302938] [2021-11-02 22:23:17,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866302938] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:23:17,314 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163741847] [2021-11-02 22:23:17,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:23:17,315 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:23:17,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:17,316 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:23:17,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (91)] Waiting until timeout for monitored process [2021-11-02 22:23:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:23:17,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-02 22:23:17,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:23:17,544 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-02 22:23:17,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163741847] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:23:17,544 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:23:17,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-11-02 22:23:17,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005152517] [2021-11-02 22:23:17,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:23:17,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-02 22:23:17,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-02 22:23:17,617 INFO L87 Difference]: Start difference. First operand 92 states and 119 transitions. cyclomatic complexity: 34 Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 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) [2021-11-02 22:23:17,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:23:17,738 INFO L93 Difference]: Finished difference Result 182 states and 239 transitions. [2021-11-02 22:23:17,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-02 22:23:17,739 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 182 states and 239 transitions. [2021-11-02 22:23:17,741 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-11-02 22:23:17,742 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 182 states to 167 states and 217 transitions. [2021-11-02 22:23:17,743 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2021-11-02 22:23:17,743 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2021-11-02 22:23:17,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 167 states and 217 transitions. [2021-11-02 22:23:17,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:23:17,743 INFO L681 BuchiCegarLoop]: Abstraction has 167 states and 217 transitions. [2021-11-02 22:23:17,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states and 217 transitions. [2021-11-02 22:23:17,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 132. [2021-11-02 22:23:17,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 132 states have (on average 1.303030303030303) internal successors, (172), 131 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:23:17,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 172 transitions. [2021-11-02 22:23:17,748 INFO L704 BuchiCegarLoop]: Abstraction has 132 states and 172 transitions. [2021-11-02 22:23:17,748 INFO L587 BuchiCegarLoop]: Abstraction has 132 states and 172 transitions. [2021-11-02 22:23:17,748 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-11-02 22:23:17,748 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states and 172 transitions. [2021-11-02 22:23:17,749 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-11-02 22:23:17,749 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:23:17,749 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:23:17,750 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:23:17,750 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-02 22:23:17,751 INFO L791 eck$LassoCheckResult]: Stem: 3204#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 3177#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 3178#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3211#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3212#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3213#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3229#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3228#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3227#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3226#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3225#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3224#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3223#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3222#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3221#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3220#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3219#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3215#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3214#L90-3 assume !(main_~i~1 < 8); 3193#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 3194#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 3186#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 3187#L66 assume !parse_expression_list_#t~switch7; 3267#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 3266#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 3265#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 3264#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 3262#L66 assume !parse_expression_list_#t~switch7; 3252#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 3259#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 3256#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 3253#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 3251#L66 assume parse_expression_list_#t~switch7; 3249#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 3250#L67-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 3268#L67-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 3201#L67-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 3202#L68 assume !(34 == parse_expression_list_#t~mem12);havoc parse_expression_list_#t~mem12; 3179#L68-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 3171#L70-8 [2021-11-02 22:23:17,751 INFO L793 eck$LassoCheckResult]: Loop: 3171#L70-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 3184#L70-1 assume parse_expression_list_#t~short17;call parse_expression_list_#t~mem14 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~j~0, 1);parse_expression_list_#t~short16 := 32 == parse_expression_list_#t~mem14; 3208#L70-2 assume parse_expression_list_#t~short16; 3195#L70-4 parse_expression_list_#t~short17 := parse_expression_list_#t~short16; 3170#L70-6 assume !!parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17;parse_expression_list_#t~post18 := parse_expression_list_~j~0;parse_expression_list_~j~0 := parse_expression_list_#t~post18 - 1;havoc parse_expression_list_#t~post18; 3171#L70-8 [2021-11-02 22:23:17,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:23:17,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1704815562, now seen corresponding path program 1 times [2021-11-02 22:23:17,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:23:17,751 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103875950] [2021-11-02 22:23:17,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:23:17,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:23:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:23:17,770 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:23:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:23:17,792 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:23:17,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:23:17,793 INFO L85 PathProgramCache]: Analyzing trace with hash 85982918, now seen corresponding path program 4 times [2021-11-02 22:23:17,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:23:17,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170930849] [2021-11-02 22:23:17,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:23:17,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:23:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:23:17,797 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:23:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:23:17,800 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:23:17,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:23:17,800 INFO L85 PathProgramCache]: Analyzing trace with hash -2027190115, now seen corresponding path program 1 times [2021-11-02 22:23:17,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:23:17,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812662738] [2021-11-02 22:23:17,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:23:17,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:23:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:23:17,856 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:23:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:23:17,896 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:23:26,857 WARN L207 SmtUtils]: Spent 8.90 s on a formula simplification. DAG size of input: 319 DAG size of output: 231 [2021-11-02 22:23:27,835 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:23:27,835 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:23:27,835 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:23:27,835 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:23:27,835 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:23:27,835 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:27,835 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:23:27,835 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:23:27,835 INFO L133 ssoRankerPreferences]: Filename of dumped script: veris.c_OpenSER_cases1_stripFullBoth_arr.i_Iteration17_Lasso [2021-11-02 22:23:27,835 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:23:27,835 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:23:27,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:27,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:27,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:27,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:27,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:27,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:27,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:27,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:27,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:27,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:27,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:27,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:27,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:27,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:27,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:27,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:27,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:28,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:28,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:28,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:28,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:28,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:28,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:28,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:28,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:28,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:28,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:28,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:28,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:23:28,905 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:23:28,906 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:23:28,906 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:28,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:28,914 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:28,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-11-02 22:23:28,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:28,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:28,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:28,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:28,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:28,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:28,923 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:28,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:28,924 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:28,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2021-11-02 22:23:28,944 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:28,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:28,945 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:28,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-11-02 22:23:28,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:28,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:28,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:28,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:28,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:28,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:28,954 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:28,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:28,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:28,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-11-02 22:23:28,974 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:28,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:28,975 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:28,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-11-02 22:23:28,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:28,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:28,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:28,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:28,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:28,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:28,985 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:28,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:28,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:29,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:29,005 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:29,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:29,006 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:29,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-11-02 22:23:29,007 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:29,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:29,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:29,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:29,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:29,016 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:29,016 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:29,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:29,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-11-02 22:23:29,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:29,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:29,039 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:29,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-11-02 22:23:29,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:29,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:29,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:29,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:29,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:29,049 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:29,049 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:29,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:29,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-11-02 22:23:29,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:29,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:29,071 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:29,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-11-02 22:23:29,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:29,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:29,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:29,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:29,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:29,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:29,080 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:29,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:29,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:29,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-11-02 22:23:29,101 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:29,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:29,101 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:29,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-11-02 22:23:29,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:29,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:29,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:29,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:29,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:29,111 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:29,111 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:29,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:29,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2021-11-02 22:23:29,133 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:29,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:29,134 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:29,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-11-02 22:23:29,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:29,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:29,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:29,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:29,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:29,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:29,144 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:29,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:29,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:29,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:29,165 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:29,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:29,166 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:29,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-11-02 22:23:29,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:29,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:29,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:29,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:29,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:29,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:29,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:29,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:29,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:29,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-11-02 22:23:29,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:29,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:29,203 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:29,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-11-02 22:23:29,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:29,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:29,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:29,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:29,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:29,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:29,212 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:29,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:29,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:29,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:29,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:29,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:29,236 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:29,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-11-02 22:23:29,237 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:29,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:29,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:29,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:29,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:29,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:29,245 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:29,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:29,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:29,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:29,304 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:29,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:29,309 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:29,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-11-02 22:23:29,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:29,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:29,328 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:29,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:29,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:29,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:29,329 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:29,329 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:29,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:29,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:29,349 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:29,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:29,350 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:29,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-11-02 22:23:29,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:29,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:29,359 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:29,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:29,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:29,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:29,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:29,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:29,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:29,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2021-11-02 22:23:29,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:29,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:29,380 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:29,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-11-02 22:23:29,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:29,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:29,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:29,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:29,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:29,390 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:29,390 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:29,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:29,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:29,412 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:29,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:29,412 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:29,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-11-02 22:23:29,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:29,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:29,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:29,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:29,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:29,422 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:29,422 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:29,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:29,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-11-02 22:23:29,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:29,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:29,444 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:29,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-11-02 22:23:29,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:29,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:29,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:29,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:29,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:29,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:29,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:29,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:29,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:29,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2021-11-02 22:23:29,475 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:29,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:29,476 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:29,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-11-02 22:23:29,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:29,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:29,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:29,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:29,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:29,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:29,486 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:29,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:29,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2021-11-02 22:23:29,515 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:29,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:29,516 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:29,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-11-02 22:23:29,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:29,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:29,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:29,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:29,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:29,527 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:29,527 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:29,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:29,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:29,549 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:29,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:29,550 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:29,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-11-02 22:23:29,551 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:29,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:29,558 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:23:29,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:29,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:29,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:29,559 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:23:29,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:23:29,560 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:29,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:29,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:29,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:29,580 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:29,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-11-02 22:23:29,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:29,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:29,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:29,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:29,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:29,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:29,590 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:29,596 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:29,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2021-11-02 22:23:29,615 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:29,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:29,616 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:29,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-11-02 22:23:29,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:29,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:29,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:29,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:29,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:29,625 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:29,625 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:29,642 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:29,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:29,662 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:29,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:29,663 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:29,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-11-02 22:23:29,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:29,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:29,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:29,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:29,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:29,672 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:29,672 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:29,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:29,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2021-11-02 22:23:29,694 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:29,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:29,695 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:29,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-11-02 22:23:29,696 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:29,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:29,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:29,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:29,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:29,716 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:29,716 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:29,724 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:29,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:29,744 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:29,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:29,745 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:29,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-11-02 22:23:29,746 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:29,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:29,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:29,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:29,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:29,754 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:29,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:29,757 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:29,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2021-11-02 22:23:29,779 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:29,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:29,780 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:29,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-11-02 22:23:29,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:29,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:29,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:29,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:29,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:29,791 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:29,791 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:29,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:23:29,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2021-11-02 22:23:29,814 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:29,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:29,815 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:29,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-11-02 22:23:29,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:23:29,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:23:29,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:23:29,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:23:29,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:23:29,829 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:23:29,829 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:23:29,839 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:23:29,857 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-11-02 22:23:29,857 INFO L444 ModelExtractionUtils]: 8 out of 28 variables were initially zero. Simplification set additionally 18 variables to zero. [2021-11-02 22:23:29,857 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:23:29,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:29,858 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:23:29,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-11-02 22:23:29,864 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:23:29,872 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-02 22:23:29,872 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:23:29,872 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_parse_expression_list_~j~0) = 1*ULTIMATE.start_parse_expression_list_~j~0 Supporting invariants [] [2021-11-02 22:23:29,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:29,970 INFO L297 tatePredicateManager]: 30 out of 30 supporting invariants were superfluous and have been removed [2021-11-02 22:23:29,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:23:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:23:30,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-02 22:23:30,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:23:30,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:23:30,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-02 22:23:30,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:23:30,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:23:30,192 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-02 22:23:30,192 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 132 states and 172 transitions. cyclomatic complexity: 50 Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:23:30,305 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 132 states and 172 transitions. cyclomatic complexity: 50. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 292 states and 386 transitions. Complement of second has 11 states. [2021-11-02 22:23:30,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2021-11-02 22:23:30,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:23:30,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 82 transitions. [2021-11-02 22:23:30,307 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 82 transitions. Stem has 39 letters. Loop has 5 letters. [2021-11-02 22:23:30,310 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:23:30,310 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 82 transitions. Stem has 44 letters. Loop has 5 letters. [2021-11-02 22:23:30,310 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:23:30,310 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 82 transitions. Stem has 39 letters. Loop has 10 letters. [2021-11-02 22:23:30,311 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:23:30,311 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 292 states and 386 transitions. [2021-11-02 22:23:30,314 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 17 [2021-11-02 22:23:30,315 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 292 states to 192 states and 251 transitions. [2021-11-02 22:23:30,316 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2021-11-02 22:23:30,317 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2021-11-02 22:23:30,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 192 states and 251 transitions. [2021-11-02 22:23:30,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:23:30,318 INFO L681 BuchiCegarLoop]: Abstraction has 192 states and 251 transitions. [2021-11-02 22:23:30,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states and 251 transitions. [2021-11-02 22:23:30,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 138. [2021-11-02 22:23:30,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 138 states have (on average 1.2971014492753623) internal successors, (179), 137 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:23:30,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 179 transitions. [2021-11-02 22:23:30,322 INFO L704 BuchiCegarLoop]: Abstraction has 138 states and 179 transitions. [2021-11-02 22:23:30,322 INFO L587 BuchiCegarLoop]: Abstraction has 138 states and 179 transitions. [2021-11-02 22:23:30,323 INFO L425 BuchiCegarLoop]: ======== Iteration 18============ [2021-11-02 22:23:30,323 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 179 transitions. [2021-11-02 22:23:30,324 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-11-02 22:23:30,324 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:23:30,324 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:23:30,325 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:23:30,325 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-02 22:23:30,326 INFO L791 eck$LassoCheckResult]: Stem: 3912#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 3884#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 3885#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3921#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3922#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3923#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3936#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3935#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3934#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3933#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3932#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3931#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3930#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3929#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3928#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3927#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3926#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3925#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3924#L90-3 assume !(main_~i~1 < 8); 3900#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 3901#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 3893#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 3894#L66 assume parse_expression_list_#t~switch7; 3990#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 3998#L67-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 3997#L67-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 3996#L67-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 3995#L68 assume !(34 == parse_expression_list_#t~mem12);havoc parse_expression_list_#t~mem12; 3994#L68-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 3993#L70-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 3992#L70-1 assume !parse_expression_list_#t~short17; 3991#L70-6 assume !parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17; 3989#L70-9 parse_expression_list_#t~short20 := 0 < parse_expression_list_~j~0; 3987#L71 assume !parse_expression_list_#t~short20; 3985#L71-2 assume !parse_expression_list_#t~short20;havoc parse_expression_list_#t~mem19;havoc parse_expression_list_#t~short20; 3983#L71-4 assume parse_expression_list_~start~0 <= parse_expression_list_~j~0; 3981#L73 assume !(1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0) >= 2);r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset, r_strncpy_#in~src.base, r_strncpy_#in~src.offset, r_strncpy_#in~n := parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset, parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0);havoc r_strncpy_#res.base, r_strncpy_#res.offset;havoc r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset, r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n;r_strncpy_~dest.base, r_strncpy_~dest.offset := r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset;r_strncpy_~src.base, r_strncpy_~src.offset := r_strncpy_#in~src.base, r_strncpy_#in~src.offset;r_strncpy_~n := r_strncpy_#in~n;call r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset := strncpy(r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n);r_strncpy_#res.base, r_strncpy_#res.offset := r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset;havoc r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset; 3978#L42 parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset := r_strncpy_#res.base, r_strncpy_#res.offset;havoc parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset;__VERIFIER_assert_#in~cond := (if 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0) < 2 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 3977#L15 assume !(0 == __VERIFIER_assert_~cond); 3975#L15-2 call write~int(0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset + (1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0)), 1); 3973#L72 parse_expression_list_~start~0 := 1 + parse_expression_list_~i~0; 3971#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 3968#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 3966#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 3962#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 3958#L66 assume parse_expression_list_#t~switch7; 3903#L67-5 [2021-11-02 22:23:30,326 INFO L793 eck$LassoCheckResult]: Loop: 3903#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 3945#L67-1 assume parse_expression_list_#t~short10; 3902#L67-3 assume !!parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10;parse_expression_list_#t~post11 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post11;havoc parse_expression_list_#t~post11; 3903#L67-5 [2021-11-02 22:23:30,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:23:30,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1896680144, now seen corresponding path program 1 times [2021-11-02 22:23:30,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:23:30,327 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301355079] [2021-11-02 22:23:30,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:23:30,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:23:30,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:23:30,405 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-02 22:23:30,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:23:30,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301355079] [2021-11-02 22:23:30,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301355079] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:23:30,406 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:23:30,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 22:23:30,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733326036] [2021-11-02 22:23:30,407 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-02 22:23:30,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:23:30,407 INFO L85 PathProgramCache]: Analyzing trace with hash 62664, now seen corresponding path program 3 times [2021-11-02 22:23:30,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:23:30,407 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893138448] [2021-11-02 22:23:30,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:23:30,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:23:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:23:30,411 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:23:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:23:30,414 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:23:30,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:23:30,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 22:23:30,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:23:30,464 INFO L87 Difference]: Start difference. First operand 138 states and 179 transitions. cyclomatic complexity: 51 Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:23:30,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:23:30,538 INFO L93 Difference]: Finished difference Result 140 states and 182 transitions. [2021-11-02 22:23:30,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:23:30,539 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 140 states and 182 transitions. [2021-11-02 22:23:30,540 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-11-02 22:23:30,541 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 140 states to 127 states and 167 transitions. [2021-11-02 22:23:30,541 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-11-02 22:23:30,542 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-11-02 22:23:30,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 127 states and 167 transitions. [2021-11-02 22:23:30,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:23:30,542 INFO L681 BuchiCegarLoop]: Abstraction has 127 states and 167 transitions. [2021-11-02 22:23:30,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states and 167 transitions. [2021-11-02 22:23:30,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 107. [2021-11-02 22:23:30,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 107 states have (on average 1.2990654205607477) internal successors, (139), 106 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:23:30,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 139 transitions. [2021-11-02 22:23:30,545 INFO L704 BuchiCegarLoop]: Abstraction has 107 states and 139 transitions. [2021-11-02 22:23:30,545 INFO L587 BuchiCegarLoop]: Abstraction has 107 states and 139 transitions. [2021-11-02 22:23:30,545 INFO L425 BuchiCegarLoop]: ======== Iteration 19============ [2021-11-02 22:23:30,545 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states and 139 transitions. [2021-11-02 22:23:30,546 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-11-02 22:23:30,547 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:23:30,547 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:23:30,548 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:23:30,548 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-02 22:23:30,548 INFO L791 eck$LassoCheckResult]: Stem: 4202#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 4175#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 4176#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 4210#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 4211#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 4213#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 4249#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 4247#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 4245#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 4243#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 4236#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 4235#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 4234#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 4233#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 4232#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 4230#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 4228#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 4225#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 4224#L90-3 assume !(main_~i~1 < 8); 4191#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 4192#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 4184#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 4162#L66 assume !parse_expression_list_#t~switch7; 4163#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 4187#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 4188#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 4268#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 4267#L66 assume parse_expression_list_#t~switch7; 4263#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 4262#L67-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 4260#L67-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 4258#L67-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 4256#L68 assume !(34 == parse_expression_list_#t~mem12);havoc parse_expression_list_#t~mem12; 4178#L68-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 4179#L70-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 4183#L70-1 assume !parse_expression_list_#t~short17; 4209#L70-6 assume !parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17; 4220#L70-9 parse_expression_list_#t~short20 := 0 < parse_expression_list_~j~0; 4218#L71 assume !parse_expression_list_#t~short20; 4217#L71-2 assume !parse_expression_list_#t~short20;havoc parse_expression_list_#t~mem19;havoc parse_expression_list_#t~short20; 4189#L71-4 assume parse_expression_list_~start~0 <= parse_expression_list_~j~0; 4190#L73 assume !(1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0) >= 2);r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset, r_strncpy_#in~src.base, r_strncpy_#in~src.offset, r_strncpy_#in~n := parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset, parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0);havoc r_strncpy_#res.base, r_strncpy_#res.offset;havoc r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset, r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n;r_strncpy_~dest.base, r_strncpy_~dest.offset := r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset;r_strncpy_~src.base, r_strncpy_~src.offset := r_strncpy_#in~src.base, r_strncpy_#in~src.offset;r_strncpy_~n := r_strncpy_#in~n;call r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset := strncpy(r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n);r_strncpy_#res.base, r_strncpy_#res.offset := r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset;havoc r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset; 4206#L42 parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset := r_strncpy_#res.base, r_strncpy_#res.offset;havoc parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset;__VERIFIER_assert_#in~cond := (if 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0) < 2 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 4204#L15 assume !(0 == __VERIFIER_assert_~cond); 4180#L15-2 call write~int(0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset + (1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0)), 1); 4181#L72 parse_expression_list_~start~0 := 1 + parse_expression_list_~i~0; 4212#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 4241#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 4240#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 4239#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 4237#L66 assume parse_expression_list_#t~switch7; 4170#L67-5 [2021-11-02 22:23:30,548 INFO L793 eck$LassoCheckResult]: Loop: 4170#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 4171#L67-1 assume parse_expression_list_#t~short10; 4193#L67-3 assume !!parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10;parse_expression_list_#t~post11 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post11;havoc parse_expression_list_#t~post11; 4170#L67-5 [2021-11-02 22:23:30,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:23:30,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1759377532, now seen corresponding path program 1 times [2021-11-02 22:23:30,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:23:30,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197670717] [2021-11-02 22:23:30,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:23:30,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:23:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:23:30,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:30,706 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-02 22:23:30,707 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:23:30,707 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197670717] [2021-11-02 22:23:30,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197670717] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:23:30,707 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602715511] [2021-11-02 22:23:30,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:23:30,708 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:23:30,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:23:30,720 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:23:30,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (119)] Waiting until timeout for monitored process [2021-11-02 22:23:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:23:30,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-02 22:23:30,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:23:30,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-02 22:23:31,002 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-02 22:23:31,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-02 22:23:31,225 INFO L354 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2021-11-02 22:23:31,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 30 [2021-11-02 22:23:31,339 INFO L354 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2021-11-02 22:23:31,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 14 [2021-11-02 22:23:31,347 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-11-02 22:23:31,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [602715511] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:23:31,348 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:23:31,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 11 [2021-11-02 22:23:31,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305350897] [2021-11-02 22:23:31,349 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-02 22:23:31,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:23:31,349 INFO L85 PathProgramCache]: Analyzing trace with hash 62664, now seen corresponding path program 4 times [2021-11-02 22:23:31,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:23:31,350 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837846240] [2021-11-02 22:23:31,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:23:31,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:23:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:23:31,375 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:23:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:23:31,378 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:23:31,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:23:31,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-02 22:23:31,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-11-02 22:23:31,426 INFO L87 Difference]: Start difference. First operand 107 states and 139 transitions. cyclomatic complexity: 40 Second operand has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:23:31,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:23:31,598 INFO L93 Difference]: Finished difference Result 83 states and 102 transitions. [2021-11-02 22:23:31,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-02 22:23:31,598 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 83 states and 102 transitions. [2021-11-02 22:23:31,599 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-02 22:23:31,600 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 83 states to 0 states and 0 transitions. [2021-11-02 22:23:31,600 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-02 22:23:31,600 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-02 22:23:31,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-02 22:23:31,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:23:31,600 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:23:31,600 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:23:31,600 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:23:31,600 INFO L425 BuchiCegarLoop]: ======== Iteration 20============ [2021-11-02 22:23:31,600 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-02 22:23:31,600 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-02 22:23:31,600 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-02 22:23:31,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 10:23:31 BoogieIcfgContainer [2021-11-02 22:23:31,606 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-02 22:23:31,606 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 22:23:31,606 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 22:23:31,606 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 22:23:31,607 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:22:50" (3/4) ... [2021-11-02 22:23:31,613 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-02 22:23:31,613 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 22:23:31,614 INFO L168 Benchmark]: Toolchain (without parser) took 41456.63 ms. Allocated memory was 113.2 MB in the beginning and 163.6 MB in the end (delta: 50.3 MB). Free memory was 82.1 MB in the beginning and 75.4 MB in the end (delta: 6.7 MB). Peak memory consumption was 56.9 MB. Max. memory is 16.1 GB. [2021-11-02 22:23:31,614 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 79.7 MB. Free memory is still 34.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:23:31,615 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.56 ms. Allocated memory is still 113.2 MB. Free memory was 82.1 MB in the beginning and 88.2 MB in the end (delta: -6.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-02 22:23:31,615 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.15 ms. Allocated memory is still 113.2 MB. Free memory was 88.2 MB in the beginning and 86.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:23:31,616 INFO L168 Benchmark]: Boogie Preprocessor took 45.89 ms. Allocated memory is still 113.2 MB. Free memory was 86.2 MB in the beginning and 85.0 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:23:31,616 INFO L168 Benchmark]: RCFGBuilder took 395.08 ms. Allocated memory is still 113.2 MB. Free memory was 85.0 MB in the beginning and 71.0 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-11-02 22:23:31,616 INFO L168 Benchmark]: BuchiAutomizer took 40622.75 ms. Allocated memory was 113.2 MB in the beginning and 163.6 MB in the end (delta: 50.3 MB). Free memory was 71.0 MB in the beginning and 75.4 MB in the end (delta: -4.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 16.1 GB. [2021-11-02 22:23:31,617 INFO L168 Benchmark]: Witness Printer took 6.85 ms. Allocated memory is still 163.6 MB. Free memory is still 75.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:23:31,619 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 79.7 MB. Free memory is still 34.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 316.56 ms. Allocated memory is still 113.2 MB. Free memory was 82.1 MB in the beginning and 88.2 MB in the end (delta: -6.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.15 ms. Allocated memory is still 113.2 MB. Free memory was 88.2 MB in the beginning and 86.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.89 ms. Allocated memory is still 113.2 MB. Free memory was 86.2 MB in the beginning and 85.0 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 395.08 ms. Allocated memory is still 113.2 MB. Free memory was 85.0 MB in the beginning and 71.0 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 40622.75 ms. Allocated memory was 113.2 MB in the beginning and 163.6 MB in the end (delta: 50.3 MB). Free memory was 71.0 MB in the beginning and 75.4 MB in the end (delta: -4.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 16.1 GB. * Witness Printer took 6.85 ms. Allocated memory is still 163.6 MB. Free memory is still 75.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 19 terminating modules (15 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 15 * unknown-#length-unknown[A] + -2 * i and consists of 5 locations. One deterministic module has affine ranking function -1 * i + unknown-#length-unknown[A] and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[str] + -1 * start and consists of 6 locations. One deterministic module has affine ranking function j and consists of 6 locations. 15 modules have a trivial ranking function, the largest among these consists of 11 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 40.5s and 20 iterations. TraceHistogramMax:8. Analysis of lassos took 37.7s. Construction of modules took 0.6s. Büchi inclusion checks took 1.7s. Highest rank in rank-based complementation 3. Minimization of det autom 10. Minimization of nondet autom 9. Automata minimization 0.1s AutomataMinimizationTime, 18 MinimizatonAttempts, 252 StatesRemovedByMinimization, 15 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 138 states and ocurred in iteration 17. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 685 SDtfs, 816 SDslu, 1473 SDs, 0 SdLazy, 792 SolverSat, 95 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU11 SILI1 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital248 mio100 ax100 hnf99 lsp93 ukn53 mio100 lsp38 div100 bol100 ite100 ukn100 eq184 hnf90 smp100 dnf156 smp82 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 39ms VariablesStem: 2 VariablesLoop: 1 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-02 22:23:31,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (119)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:31,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (91)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:32,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-11-02 22:23:32,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2021-11-02 22:23:32,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-11-02 22:23:32,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-11-02 22:23:32,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-11-02 22:23:33,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-11-02 22:23:33,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-02 22:23:33,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8937ece-5cc9-4459-9730-ee5cb6d58bc6/bin/uautomizer-tBqnrhUYjU/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